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Atsuki Komiya

Section

Institute of Fluid Science

Job title

Professor

Degree

博士（工学）（東北大学）
修士（工学）（東北大学）

researchmap

https://researchmap.jp/read0191502

J-GLOBAL ID

200901089903337469

Research History 8

2019/04 - Present

Tohoku University　Institute of Fluid Science　Professor
2011/04 - 2019/03

Tohoku University　Institute of Fluid Science　Associate Professor
2008/04 - 2011/03

Tohoku University　Institute of Fluid Science　Senior Assistant Professor
2007/04 - 2008/03

Tohoku University　Institute of Fluid Science　Assistant Professor
2004/04 - 2007/03

Tohoku University　Institute of Fluid Science　Research Associate
2003/10 - 2004/03

Japan Aerospace Exploration Agency　ISS Science Project Office, Institute of Space and Astronautical Science　Aerospace Project Research Associate
2002/04 - 2003/09

National Space Development Agency of Japan　Space Utilization Research Program　NASDA Research Fellow
2000/01 - 2002/03

Japan Society for the Promotion of Science　Research Fellowship for Young Scientists

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Education 3

Tohoku University　Graduate School of Engineering

1999/04 - 2002/03
Tohoku University　Graduate School of Engineering

1997/04 - 1999/03
Tohoku Univertsity　School of Engineering

1993/04 - 1997/03

Committee Memberships 55

一般社団法人日本機械学会　JTST エディタ

2020/04 - Present
公益社団法人日本伝熱学会　特定推進研究企画委員会幹事

2019/05 - Present
Engineered Science Energy & Environment　Editorial Board

2019/02 - Present
Journal of Flow Visualization and Image Processing　Editor

2018/02 - Present
文部科学省科学技術・学術政策研究所科学技術動向研究センター　専門調査員

2014/04 - Present
Transactions of the JSME (in Japanese), Mechanical Engineering Journal, Mechanical Engineering Letters, Bio, Medical, Sports and Human Engineering　Associate Editor

2014/04 - Present
公益社団法人日本伝熱学会　協議員

2021/05 - 2023/05
公益社団法人日本伝熱学会　学生会委員長

2021/05 - 2023/05
一般社団法人日本機械学会　医工学テクノロジー推進会議運営委員

2013/04 - 2023/03
一般社団法人日本機械学会　商議員

2021/03 - 2023/02
公益社団法人日本伝熱学会東北支部　副支部長

2020/05 - 2022/05
公益社団法人日本伝熱学会　協議員

2017/05 - 2020/05
公益社団法人日本伝熱学会　企画部会委員

2012/04 - 2020/05
一般社団法人日本機械学会　交通・物流部門代議員

2018/04 - 2020/03
一般社団法人日本機械学会　年次大会実行委員

2018/04 - 2019/10
一般社団法人日本機械学会　熱工学部門総務幹事

2017/04 - 2018/03
日本機械学会東北支部熱工学部門　代議員

2016/04 - 2018/03
一般社団法人日本機械学会　代議員

2016/04 - 2018/03
公益社団法人日本伝熱学会　学生会委員

2004/04 - 2017/05
日本機械学会熱工学部門　部門幹事

2016/04 - 2017/03
日本機械学会熱工学部門部門賞委員会　幹事

2016/04 - 2017/03
一般社団法人日本機械学会　熱工学部門幹事

2016/04 - 2017/03
一般社団法人日本機械学会　熱工学部門部門賞委員会幹事

2016/04 - 2017/03
日本熱物性学会　評議員

2015/01 - 2017/01
日本熱物性学会　評議員

2015/01 - 2017/01
日本伝熱学会　協議員

2014/05 - 2016/05
Heat Transfer Society of Japan　学生委員会幹事

2014/05 - 2016/05
公益社団法人日本伝熱学会　学生会委員会幹事

2014/05 - 2016/05
公益社団法人日本伝熱学会　協議員

2012/05 - 2016/05
Transactions of the JSME (in Japanese), Mechanical Engineering Journal, Mechanical Engineering Letters, Bio, Medical, Sports and Human Engineering　Associate Editor

2015/04 - 2016/03
日本機械学会　医工学テクノロジー推進会議運営委員

2014/04 - 2015/03
Transactions of the JSME (in Japanese), Mechanical Engineering Journal, Mechanical Engineering Letters, Bio, Medical, Sports and Human Engineering　Associate Editor

2014/04 - 2015/03
日本機械学会　研究分科会委員

2013/04 - 2015/03
日本機械学会　高度物理刺激と生体応答に関する研究分科会委員

2013/04 - 2015/03
一般社団法人日本機械学会　研究分科会委員

2013/04 - 2015/03
一般社団法人日本機械学会　高度物理刺激と生体応答に関する研究分科会委員

2013/04 - 2015/03
公益社団法人日本伝熱学会　広報委員会委員長

2012/05 - 2014/05
日本伝熱学会　協議員

2012/05 - 2014/05
日本伝熱学会　広報委員会委員長

2012/05 - 2014/05
日本機械学会　医工学テクノロジー推進会議運営委員

2013/04 - 2014/03
日本機械学会　産業・化学機械と安全部門代議員

2012/04 - 2014/03
一般社団法人日本機械学会　産業・化学機械と安全部門代議員

2012/04 - 2014/03
日本機械学会　校閲委員

2012/04 - 2013/03
一般社団法人日本機械学会　校閲委員

2011/04 - 2013/03
東北大学工明会　理事

2011/04 - 2012/03
日本機械学会　校閲委員

2011/04 - 2012/03
The Japan Society for Aeronautical and Space Sciences　北部支部支部幹事

2005/03 - 2012/03
日本航空宇宙学会　北部支部支部幹事

2005/03 - 2012/03
公益社団法人日本伝熱学会　広報委員会委員

2008/05 - 2011/05
公益社団法人日本伝熱学会　評議員

2009/05 - 2010/05
日本伝熱学会　広報委員会

2008/04 - 2010/03
日本機械学会　校閲委員

2008/04 - 2009/03
一般社団法人日本機械学会　校閲委員

2007/04 - 2009/03
日本機械学会　校閲委員

2007/04 - 2008/03
Heat Transfer Society of Japan　学生委員

2004/04 -

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Professional Memberships 4

JAPAN SOCIETY OF REFRIGERATING AND AIR CONDITIONING ENGINEERS
Japan Society of Thermophysical Properties
The Heat Transfer Society of Japan
The Japan Society of Mechanical Engineers

Research Interests 4

Heat transfer enhancement
Measurement of thermophysical properties
Phase shifting technique
Optical Measurement

Research Areas 1

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Thermal engineering /

Awards 9

Certificate of Merit for Thermal Engineering Best Paper

2020/10　Thermal Engineering Division JSME　valuation of the Relations between Hindered Diffusion Process of Protein and Membrane Structure
Certificate of Merit for Thermal Engineering Contribution

2019/10　The Japan Society of MechanicalEngineers
Scientific Contribution Award of the Heat Transfer Society of Japan

2017/05　The Heat Transfer Society of Japan
Best Paper Award of the Institute of Electrostatics Japan

2015/11　The Institute of Electrostatics Japan
Contribution Award of the Heat Transfer Society of Japan

2013/05　The Heat Transfer Society of Japan
The Young Scientists’ Prize of the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology

2012/04　The Minister of Education, Culture, Sports, Science and Technology
Young Researcher Award of the Japan Society of Thermophysical Properties

2007/10　Japan Society of Thermophysical Properties
Young Researcher Award of the Heat Transfer Society of Japan

2001/05　The Heat Transfer Society of Japan　Rapid yet accurate measurement of mass diffusion coefficients by phase shifting interferometer
Best Presentation Award of the Heat Transfer Society of Japan

2001/05　The Heat Transfer Society of Japan　Measurement of Transient Mass Diffusion Field under Microgravity

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Papers 255

Modeling of scattering coefficient for biological tissues exposed to near-infrared laser irradiation

Akiyoshi Obonai, Takuma Kogawa, Yuki Kanda, Tetsuya Kodama, Atsuki Komiya

Applied Thermal Engineering　256　123990-123990　2024/11
Publisher: Elsevier BV
DOI： 10.1016/j.applthermaleng.2024.123990 　

ISSN： 1359-4311
Investigating the correlation between flow dynamics and flow-induced voltage generation

Hikaru Takeda, Naoya Iwamoto, Mitsuhiro Honda, Masaki Tanemura, Ichiro Yamashita, Atsuki Komiya, Takeru Okada

Applied Physics Letters　125　(18)　2024/10/28
Publisher: AIP Publishing
DOI： 10.1063/5.0230115 　

ISSN： 0003-6951

eISSN： 1077-3118

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The conversion of water current to voltage generation through graphene has gained interest in both basic physics and applications such as sensors and electricity generation systems. However, many aspects of the mechanism remain unclear. Recently, quantum-based momentum transfer theories have been reported, but these often do not account for flow conditions. In this study, we investigated the correlation between the flow conditions of a liquid medium and the electrical conduction of graphene through experiments and numerical calculations. Our results suggest that the necessary condition is that the flow must be neither irregular nor purely laminar; instead, graphene responds to the transition process of the fluid. This finding supports the extension of current theories and presents valuable insights for both basic science and industrial applications.
Photothermal Depth Profiling of Gelatin-Stabilised Gold Nanorods-Trastuzumab Conjugate as a Potential Breast Cancer Photothermal Agent

Gracia It Mwad Mbaz, Thabang Calvin Lebepe, Rodney Maluleke, Akiyoshi Obonai, Nande Mgedle, Olanrewaju A. Aladesuyi, Rajendran Kalimutu, Tetsuya Kodama, Atsuki Komiya, Oluwatobi Samuel Oluwafemi

Journal of Inorganic and Organometallic Polymers and Materials　2024/07/03
Publisher: Springer Science and Business Media LLC
DOI： 10.1007/s10904-024-03151-y 　

ISSN： 1574-1443

eISSN： 1574-1451

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Abstract Gold nanorods (AuNRs) are powerful photothermal agents (PTAs) in cancer treatment due to their near-infrared laser light absorption ability. However, the cytotoxicity of AuNRs caused by the presence of cationic surfactants often used and their lack of specificity affect their application in photothermal therapy. Thus, we herein developed a bioconjugate obtained from the functionalisation of AuNRs to gelatin (Gel@AuNRs), followed by the conjugation of the as-synthesised material to a breast cancer antibody, trastuzumab (Trast-Gel@AuNRs) to address these issues. The optical and structural characterization of the as-synthesized indicated no significant changes in the optical properties of AuNRs after their functionalisation with gelatin and conjugation with the antibody. The photothermal profiling of the as-synthesised materials showed that AuNRs still have an excellent photothermal conversion efficiency (PCE) after their functionalisation (20%) and their conjugation to an antibody (19%). In addition, the In vitro photothermal depth response showed that Trast-Gel@AuNRs is a promising photothermal agent for HER2-positive breast cancer treatment. Graphical Abstract
Controlling instability waves on vertical natural convection using a buoyant impinging jet

Takuma Koizumi, Takuma Kogawa, Juan F. Torres, Yuki Kanda, Atsuki Komiya

International Communications in Heat and Mass Transfer　148　107033-107033　2023/11
Publisher: Elsevier BV
DOI： 10.1016/j.icheatmasstransfer.2023.107033 　

ISSN： 0735-1933
Optical visualization of heat transfer in supercritical carbon dioxide under near-critical, liquid-like, and gas-like conditions International-journal International-coauthorship Peer-reviewed

Yuki Kanda, Haruki Ito, Lin Chen, Atsuki Komiya

Physics of Fluids　35　(6)　067108　2023/06/05
Publisher: AIP Publishing
DOI： 10.1063/5.0149005 　

ISSN： 1070-6631

eISSN： 1089-7666

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Heat transfer in supercritical carbon dioxide (sCO2) is experimentally visualized, and a measurement method is proposed for evaluating the transport phenomena in near-critical, liquid-like, and gas-like conditions. There are various uses for sCO2 in engineering applications, such as abstraction, material processing, and soil remediation. However, the heat and mass transfer under supercritical conditions have not been fully revealed, and innovative measurement techniques with higher spatial and temporal resolutions are required. This study focuses on the evaluation of heat transfer in sCO2 using a high-speed phase-shifting interferometer. The density distribution of sCO2 under different temperature and pressure conditions is successfully visualized with the proposed interferometer. Characteristics of the density field patterns are observed near the critical point and in liquid-like and gas-like conditions. It is demonstrated that the sensitivity of the density (i.e., refractive index) to temperature changes is different for each condition. The transient heat transfer under gas-like condition is evaluated by the interferometer, and numerical simulations with 3D model are performed to evaluate the experimental results. Finally, the interference fringes pattern obtained by the interferometer is shown to be qualitatively in good agreement with the numerical temperature field change. Additionally, transient variations of optical path length difference obtained in the experiment, which means apparent temperature distribution, were compared with numerical simulations. Experimental results are quantitatively in good agreement with the numerical results under a thermal diffusivity of order 10−8 m2/s, confirming the feasibility of the proposed measurement technique for the transient heat transfer in sCO2.
A study of temperature distribution using a combination of near-infrared laser, gold nanorods, and surface cooling Peer-reviewed

Akiyoshi Obonai, Takuma Kogawa, Yuki Kanda, Oluwatobi S. Oluwafemi, Tetsuya Kodama, Atsuki Komiya

Applied Thermal Engineering　120579-120579　2023/04
Publisher: Elsevier BV
DOI： 10.1016/j.applthermaleng.2023.120579 　

ISSN： 1359-4311
High-performance polymer-based regenerative elastocaloric cooler Peer-reviewed

Gael Sebald, Giulia Lombardi, Gildas Coativy, Jacques Jay, Laurent Lebrun, Atsuki Komiya

Applied Thermal Engineering　223　120016-120016　2023/03
Publisher: Elsevier BV
DOI： 10.1016/j.applthermaleng.2023.120016 　

ISSN： 1359-4311
Accurate measurement for transient heat and mass transfer in the vicinity of gas-liquid interface during acetone vaporization utilizing the phase-shifting interferometer

Yuki Kanda, Ryuhi Mukai, Yingxue Hu, Lin Chen, Atsuki Komiya

Proceeding of International Heat Transfer Conference 17　2023
Publisher: Begellhouse
DOI： 10.1615/ihtc17.250-50 　
ASYMPTOTIC MODEL FOR THE THERMAL-MECHANICAL EFFECT OF 1-D SUPERCRITICAL FLUID NEAR ITS GAS-LIQUID CRITICAL POINT WITH DIFFERENT THERMOPHYSICS PROPERTIES MODELS

R. Zhang, Lin Chen, Yuki Kanda, Atsuki Komiya, Haisheng Chen

Proceeding of International Heat Transfer Conference 17　2023
Publisher: Begellhouse
DOI： 10.1615/ihtc17.440-10 　
NIR-II window absorbing graphene oxide-coated gold nanorods and graphene quantum dot-coupled gold nanorods for photothermal cancer therapy

Thabang C. Lebepe, Sundararajan Parani, Rodney Maluleke, Vuyelwa Ncapayi, Olanrewaju A. Aladesuyi, Atsuki Komiya, Tetsuya Kodama, Oluwatobi S. Oluwafemi

Nanotechnology Reviews　12　(1)　2023/01/01
Publisher: Walter de Gruyter GmbH
DOI： 10.1515/ntrev-2022-0541 　

eISSN： 2191-9097

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Abstract The graphene-based materials have been used as a potential coating material for nanoparticles due to their excellent passivation. Herein, we report for the first time the colloidal stability, photothermal profile, thermal stability, cytotoxicity, and photo-cytotoxicity of graphene quantum dots (GQDs) coupled with the second infrared window (NIR-II) absorbing gold nanorods (AuNRs/GQDs) and compare it to graphene oxide (GO)-coated NIR-II absorbing AuNRs (AuNRs/GO). The composites were achieved by electrostatic interaction of the GO or GQDs with AuNRs. The results revealed that (i) AuNRs/GQDs were more stable in the aqueous phosphate buffer and cell culture media than AuNRs/GO and AuNRs; (ii) GO enhanced the photothermal efficiency of the AuNRs, whereas GQDs reduced it; (iii) GQDs enhanced the photothermal stability of AuNRs than GO; (iv) both AuNRs/GO and AuNRs/GQDs were biocompatible with mouse colon carcinoma (C26) cell lines and malignant fibrous histiocytoma‐like, expressing a fusion of the luciferase and enhanced green fluorescent protein genes (KM-Luc/GFP) cell lines; and (v) photo-cytotoxicity of AuNRs/GO and AuNRs/GQDs conducted against C26 cell lines showed significantly improved cell death compared to laser irradiation alone; however, AuNRs/GO exhibited high photo-toxicity than AuNRs/GQDs. This study shows that AuNRs/GO and AuNRs/GQDs composites possess unique properties to improve AuNRs and be utilised in photothermal applications.
Scaling Up Thermodiffusive Separation through a Microchannel Peer-reviewed

Shuqi Xu, Atsuki Komiya, Ben Corry, Juan Felipe Torres Alvarez

Booklet of 23rd Australasian Fluid Mechanics Conference (23AFMC)　438　2022/12
Experimental visualization on ionic liquids interfacial absorption process of CO2 by pixelated-array masked phase-shifting interferometry Peer-reviewed

Lin Chen, Qixian Wu, Qiaoge Zhang, Yongchang Feng, Yuki Kanda, Atsuki Komiya

Energy Reports　8　62-71　2022/12
Publisher: Elsevier BV
DOI： 10.1016/j.egyr.2022.10.196 　

ISSN： 2352-4847
Preliminary measurements of transient boundary heat transfer process under supercritical pressures using pixelated phase-shifting interferometry Peer-reviewed

Yizhi Zhang, Lin Chen, Qixian Wu, Dong Yang, Yuki Kanda, Jinguang Zang, Atsuki Komiya, Yanping Huang

International Communications in Heat and Mass Transfer　138　106396-106396　2022/11
Publisher: Elsevier BV
DOI： 10.1016/j.icheatmasstransfer.2022.106396 　

ISSN： 0735-1933
Quantitative visualization of injection jet flow behaviors of transcritical and supercritical processes by pixelated phase-shifting interferometer Peer-reviewed

Dong Yang, Lin Chen, Yuki Kanda, Atsuki Komiya, Haisheng Chen

Experimental Thermal and Fluid Science　139　110729-110729　2022/11
Publisher: Elsevier BV
DOI： 10.1016/j.expthermflusci.2022.110729 　

ISSN： 0894-1777
Supercritical fluid remediation for soil contaminants: Mechanisms, parameter optimization and pilot systems Peer-reviewed

Lin Chen, Jahongir Hasanov, Jiaxiang Chen, Yongchang Feng, Yuki Kanda, Atsuki Komiya

The Journal of Supercritical Fluids　189　105718-105718　2022/10
Publisher: Elsevier BV
DOI： 10.1016/j.supflu.2022.105718 　

ISSN： 0896-8446
Low-energy activation of large convective heat transfer via flow resonance triggered by impinging jet Peer-reviewed

Juan F. Torres, Naoto Ogasawara, Takuma Koizumi, Yuki Kanda, Atsuki Komiya

International Journal of Heat and Mass Transfer　195　123036-123036　2022/10
Publisher: Elsevier BV
DOI： 10.1016/j.ijheatmasstransfer.2022.123036 　

ISSN： 0017-9310
Quantitative visualization of the thermal boundary layer of forced convection on a heated or cooled flat plate with 30 degrees of leading edge using a Mach-Zehnder interferometer Peer-reviewed

Jun Liu, Atsuki Komiya

Journal of Flow Control, Measurement &amp; Visualization　10　(04)　99-116　2022/09
Publisher: Scientific Research Publishing, Inc.
DOI： 10.4236/jfcmv.2022.104007 　

ISSN： 2329-3322

eISSN： 2329-3330
Evaluation of Heat Transfer Mechanism in Natural Convection Boundary Layer Perturbated by a Local Mixed Convection Regime Peer-reviewed

Takuma Koizumi, Juan F. Torres, Yuki Kanda, Atsuki Komiya

Proceedings of 12th Australasian Heat and Mass Transfer Conference (12AHMTC)　61　2022/06
Effect of fluid flow on heat transfer in elastocaloric cooling systems International-coauthorship Peer-reviewed

Xuen Sze Way, Gael Sebald, Yuki Kanda, Atsuki Komiya

Proceedings of the 32nd International Symposium on Transport Phenomena (ISTP-32)　187　2022/03
Evaluation of the interaction between neighboring microchannels in boiling heat transfer Peer-reviewed

Kazuya Murakami, Yuki Kanda, Atsuki Komiya

Proceedings of the 32nd International Symposium on Transport Phenomena (ISTP-32)　132　2022/03
Experimental evaluation of membrane pore pattern on the protein diffusion International-coauthorship Peer-reviewed

Ruiyao Zhu, Ryo Watanabe, Yuki Kanda, Juan Felipe Torres Alvarez, Sébastien Livi, Atsuki Komiya

Proceedings of the 32nd International Symposium on Transport Phenomena (ISTP-32)　134　2022/03
Evaluation of convective and radiative heat transfer for the therapeutic development using near-indrared laser and gold nanorod International-coauthorship Peer-reviewed

Akiyoshi Obonai, Yuki Kanda, Oluwatobi Oluwafemi, Tetsuya Kodama, Atsuki Komiya

Proceedings of the 32nd International Symposium on Transport Phenomena (ISTP32)　131　2022/03
Asymptotic analysis of boundary thermal-wave process near the liquid–gas critical point International-coauthorship Peer-reviewed

Lin Chen, Rui Zhang, Yuki Kanda, Dipankar N. Basu, Atsuki Komiya, Haisheng Chen

Physics of Fluids　34　(3)　036102-036102　2022/03
Publisher: AIP Publishing
DOI： 10.1063/5.0086516 　

ISSN： 1070-6631

eISSN： 1089-7666

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The role of near-critical properties has been considered as key point for the understanding of transient origins of fluid transport physics, especially in the boundary layers. Asymptotic model analysis with modified governing equations of the fluid has been utilized to study the characters of near-critical fluids subjected to a temperature pulse, under different boundary conditions: thermostatic or insulated. The asymptotic solutions show that the boundary layers are mainly governed by the diffusion effect (sensitive to spatial gradients) while exhibiting the wave character in bulk. When a small thermal pulse is imposed at the boundary, wave process with a magnitude about 0.05 mK is seen generated. The wave propagates in the one-dimensional cell, reflecting a quick re-distribution of parameters in acoustic timescale. Transient temperature and pressure results show that as the fluids flow across the boundary layers to the bulk, acoustic wave process is associated with that of the specific energy transportation process.
Estimation of radiative thermal conductivity of glass wool using high precision GHP apparatus Peer-reviewed

Fuhui GUO, Takuma KOGAWA, Atsuki KOMIYA, Shigenao MARUYAMA

Transactions of the JSME (in Japanese)　88　(908)　21-00340　2022
Publisher: Japan Society of Mechanical Engineers
DOI： 10.1299/transjsme.21-00340 　

eISSN： 2187-9761
Multi-objective Bayesian topology optimization of a lattice-structured heat sink in natural convection Peer-reviewed

Koji Shimoyama, Atsuki Komiya

Structural and Multidisciplinary Optimization　65　(1)　2022/01
Publisher: Springer Science and Business Media LLC
DOI： 10.1007/s00158-021-03092-x 　

ISSN： 1615-147X

eISSN： 1615-1488

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Abstract Additive manufacturing (AM) has an affinity with topology optimization to think of various designs with complex structures. Hence, this paper aims to optimize the design of a lattice-structured heat sink, which can be manufactured by AM. The design objectives are to maximize the thermal performance of convective heat transfer in natural convection simulated by computational fluid dynamics (CFD) and to minimize the material cost required for AM process at the same time. The lattice structure is represented as a node/edge system via graph theory with a moderate number of design variables. Bayesian optimization, which employs the non-dominated sorting genetic algorithm II and the Kriging surrogate model, is conducted to search for better designs with the minimum CFD cost. The present topology optimization successfully finds better lattice-structured heat sink designs than a reference fin-structured design regarding thermal performance and material cost. Also, several optimized lattice-structured designs outperform reference pin-fin-structured designs regarding thermal performance though the pin-fin structure is still advantageous for a material cost-oriented design. This paper also discusses the flow mechanism observed in the heat sink to explain how the optimized heat sink structure satisfies the competing design objectives simultaneously.
Measurement of transient transport process of different molecules across mixed fiber (CA-CN) membrane by pixelated-array masked phase-shifting interferometer International-coauthorship Peer-reviewed

Lin Chen, Qiaoge Zhang, Qixian Wu, Dong Yang, Gang Zeng, Yizhi Zhang, Atsuki Komiya

Experimental Thermal and Fluid Science　130　110490-110490　2022/01
Publisher: Elsevier BV
DOI： 10.1016/j.expthermflusci.2021.110490 　

ISSN： 0894-1777
High Grashof number turbulent natural convection on an infinite vertical wall International-coauthorship Peer-reviewed

Junhao Ke, N. Williamson, S.W. Armfield, A. Komiya, S.E. Norris

Journal of Fluid Mechanics　929　A15　2021/12/25
Publisher: Cambridge University Press (CUP)
DOI： 10.1017/jfm.2021.839 　

ISSN： 0022-1120

eISSN： 1469-7645

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The present study concerns a temporally evolving turbulent natural convection boundary layer (NCBL) adjacent to an isothermally heated vertical wall, with Prandtl number 0.71. Three-dimensional direct numerical simulations (DNS) are carried out to investigate the turbulent flow up to $\textit {Gr}_\delta =1.21\times 10^8$, where $\textit {Gr}_\delta$ is the Grashof number based on the boundary layer thickness $\delta$. In the near-wall region, there exists a constant heat flux layer, similar to previous studies for the spatially developing flows (e.g. George & Capp, Intl J. Heat Mass Transfer, vol. 22, 1979, pp. 813–826). Beyond a wall-normal distance $\delta _i$, the NCBL can be characterised as a plume-like region. We find that this region is well described by a self-similar integral model with profile coefficients (cf. van Reeuwijk & Craske, J. Fluid Mech., vol. 782, 2015, pp. 333–355) which are $\textit {Gr}_\delta$-independent after $\textit {Gr}_\delta =10^7$. In this Grashof number range both the outer plume-like region and the near-wall boundary layer are turbulent, indicating the beginning of the so-called ultimate turbulent regime (Grossmann & Lohse, J. Fluid Mech., vol. 407, 2000, pp. 27–56; Grossmann & Lohse, Phys. Fluids, vol. 23, 2011, 045108). Solutions to the self-similar integral model are analytically obtained by solving ordinary differential equations with profile coefficients empirically obtained from the DNS results. In the present study, we have found the wall heat transfer of the NCBL is directly related to the top-hat scales which characterise the plume-like region. The Nusselt number is found to follow $\textit {Nu}_\delta \propto \textit {Gr}_\delta ^{0.381}$, slightly higher than the empirical $1/3$-power-law correlation reported for spatially developing NCBLs at lower $\textit {Gr}_\delta$, but is shown to be consistent with the ultimate heat transfer regime with a logarithmic correction suggested by Grossmann & Lohse (Phys. Fluids, vol. 23, 2011, 045108). By modelling the near-wall buoyancy force, we show that the wall shear stress would scale with the bulk velocity only at asymptotically large Grashof numbers.
Graphene Oxide-Gold Nanorods Nanocomposite-Porphyrin Conjugate as Promising Tool for Cancer Phototherapy Performance International-coauthorship Peer-reviewed

Thabang Calvin Lebepe, Sundararajan Parani, Vuyelwa Ncapayi, Rodney Maluleke, Grace It Mwad Mbaz, Olufunto Tolulope Fanoro, Jose Rajendran Varghese, Atsuki Komiya, Tetsuya Kodama, Oluwatobi Samuel Oluwafemi

Pharmaceuticals　14　(12)　1295-1295　2021/12/11
Publisher: MDPI AG
DOI： 10.3390/ph14121295 　

eISSN： 1424-8247

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The cancer mortality rate has increased, and conventional cancer treatments are known for having many side effects. Therefore, it is imperative to find a new therapeutic agent or modify the existing therapeutic agents for better performance and efficiency. Herein, a synergetic phototherapeutic agent based on a combination of photothermal and photodynamic therapy is proposed. The phototherapeutic agent consists of water-soluble cationic porphyrin (5,10,15,20-tetrakis(N-methylpyridinium-3-yl)porphyrin, TMePyP), and gold nanorods (AuNRs) anchored on graphene-oxide (GO) sheet. The TMePyP was initially synthesized by Adler method, followed by methylation, while GO and AuNRs were synthesized using Hummer’s and seed-mediated methods, respectively. The structural and optical properties of TMePyP were confirmed using UV-Vis, zeta analyzer, PL, FTIR and NMR. The formation of both GO and AuNRs was confirmed by UV-Vis-NIR, FTIR, TEM and zeta analyzer. TMePyP and AuNRs were anchored on GO to form GO@AuNRs-TMePyP nanocomposite. The as-synthesized nanocomposite was stable in RPMI and PBS medium, and, on irradiation, produced high heat than the bare AuNRs, with high photothermal efficiency. In addition, the nanocomposite produced higher singlet oxygen than TMePyP with high biocompatibility in the absence of light. These results indicated that the as-synthesized nanocomposite is a promising dual photodynamic and photothermal agent for cancer therapy.
Numerical analysis of gas production from large-scale methane hydrate sediments with fractures Peer-reviewed

Yongchang Feng, Lin Chen, Yuki Kanda, Anna Suzuki, Atsuki Komiya, Shigenao Maruyama

Energy　236　121485-121485　2021/12
Publisher: Elsevier BV
DOI： 10.1016/j.energy.2021.121485 　

ISSN： 0360-5442
Measurement of dynamic wetting using phase-shifting imaging ellipsometer: comparison of pure solvent and nanoparticle suspension on film thickness profile, apparent contact angle, and precursor film length Peer-reviewed

Eita Shoji, Takahiro Kaneko, Tatsuya Yonemura, Masaki Kubo, Takao Tsukada, Atsuki Komiya

Experiments in Fluids　62　(10)　2021/10
Publisher: Springer Science and Business Media LLC
DOI： 10.1007/s00348-021-03296-3 　

ISSN： 0723-4864

eISSN： 1432-1114
Effect of gas radiation-depended natural convection on the transition of spatially developing boundary layers Peer-reviewed

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

International Journal of Heat and Mass Transfer　177　121580-121580　2021/10
Publisher: Elsevier BV
DOI： 10.1016/j.ijheatmasstransfer.2021.121580 　

ISSN： 0017-9310
Dynamic imaging and analysis of transient mass transfer process using pixelated-array masked phase-shifting interferometry International-coauthorship Peer-reviewed

Qixian Wu, Lin Chen, Atsuki Komiya

International Journal of Heat and Mass Transfer　174　121339-121339　2021/08
Publisher: Elsevier BV
DOI： 10.1016/j.ijheatmasstransfer.2021.121339 　

ISSN： 0017-9310
Resonance-driven heat transfer enhancement in a natural convection boundary layer perturbed by a moderate impinging jet International-coauthorship Peer-reviewed

Naoto Ogasawara, Juan F. Torres, Yuki Kanda, Takuma Kogawa, Atsuki Komiya

Physical Review Fluids　6　(6)　L061501　2021/06/17
Publisher: American Physical Society (APS)
DOI： 10.1103/physrevfluids.6.l061501 　

eISSN： 2469-990X
Corrigendum to “Numerical investigation on gas production from Shenhu (China): Influence of layer inclination and horizontal inhomogeneities” [J. Natl. Gas Sci. Eng. 82 (2020) 103509](S1875510020303632)(10.1016/j.jngse.2020.103509)

Lin Chen, Yongchang Feng, Sukru Merey, Koorthedath Pullayikodi Lijith, Devendra N. Singh, Atsuki Komiya, Shigenao Maruyama

Journal of Natural Gas Science and Engineering　88　2021/04/01
Publisher: Elsevier B.V.
DOI： 10.1016/j.jngse.2021.103825 　

ISSN： 1875-5100
Numerical investigation on hot water injection process along fractures of methane hydrate reservoirs International-coauthorship Peer-reviewed

Yongchang Feng, Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics　42　(3)　663-667　2021/03
Numerical Simulation of Laminar-Turbulent Transition in Magnetohydrodynamic Convection in an Electromagnetically Levitated Molten Droplet of Cu-Co Alloys Under a Static Magnetic Field Peer-reviewed

Eita Shoji, Koki Tanada, Ryuji Takahashi, Shosei Isogai, Rikuto Suzuki, Masaki Kubo, Takao Tsukada, Atsuki Komiya, Hiroyuki Fukuyama

Metallurgical and Materials Transactions B　52　(2)　896-902　2021/02/16
Publisher: Springer Science and Business Media LLC
DOI： 10.1007/s11663-021-02063-3 　

ISSN： 1073-5615

eISSN： 1543-1916
Three-dimensional coupled photon and bioheat transport simulation for laser induced photothermal therapy Peer-reviewed

Takuma Kogawa, Yousuke Nakamura, Soma Taniguchi, Hisashi Nakajima, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama, Atsushi Sakurai

Heat Transfer Research　52　(5)　45-62　2021
Publisher: Begell House
DOI： 10.1615/heattransres.2021036835 　

ISSN： 1064-2285
Numerical Investigation for the Temperature Dependency of Coke Degradation by CO₂ Gasification Reaction in a Blast Furnace Peer-reviewed

Yui Numazawa, Yohsuke Matsushita, Hideyuki Aoki, Atsuki Komiya

ISIJ International　60　(12)　2686-2694　2020/12/15
Publisher: Iron and Steel Institute of Japan
DOI： 10.2355/isijinternational.isijint-2020-198 　

ISSN： 0915-1559

eISSN： 1347-5460
A review analysis of gas hydrate tests: engineering progress and policy trend Peer-reviewed

Lin Chen, Sukru Merey, Ingo Pecher, Junnosuke Okajima, Atsuki Komiya, Juan Diaz-Naveas, Shouding Li, Shigenao Maruyama, Sain Kalachand, Bjørn Kvamme, Richard Coffin

Environmental Geotechnics　1-17　2020/12/10
Publisher: Thomas Telford Ltd.
DOI： 10.1680/jenge.19.00208 　

eISSN： 2051-803X
Optical Method for Simultaneous High-Resolution Measurement of Heat and Fluid Flow: The Case of Rayleigh-Bénard Convection Peer-reviewed

Juan F. Torres, Yongling Zhao, Shuqi Xu, Zhengyu Li, Atsuki Komiya

Physical Review Applied　14　(5)　2020/11/17
Publisher: American Physical Society (APS)
DOI： 10.1103/physrevapplied.14.054038 　

eISSN： 2331-7019
Law of the wall for a temporally evolving vertical natural convection boundary layer Peer-reviewed

Junhao Ke, Nicholas Williamson, S.teven W. Armfield, Stuat E. Norris, Atsuki Komiya

Journal of Fluid Mechanics　902　A31　2020/11/10
Publisher: Cambridge University Press (CUP)
DOI： 10.1017/jfm.2020.621 　

ISSN： 0022-1120

eISSN： 1469-7645

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<title>Abstract</title> <fig position="anchor"> <graphic xmlns:xlink="http://www.w3.org/1999/xlink" mime-subtype="png" mimetype="image" position="float" xlink:href="S0022112020006217_figAb.png" /> </fig>
Classification of thermal conductivity of porous insulation using measurement result by high precision GHP Peer-reviewed

Fuhui GUO, Takuma KOGAWA, Shuta KOYANAGI, Hiroshi OSAWA, Atsuki KOMIYA, Shigenao MARUYAMA

Transactions of the JSME (in Japanese)　86　(892)　20-00201　2020/11
Publisher: Japan Society of Mechanical Engineers
DOI： 10.1299/transjsme.20-00201 　

eISSN： 2187-9761
Investigation of Convective Boiling Phenomena in Layered-parallel Microchannels Peer-reviewed

Yusuke Nishimura, Yuki Kanda, Junnosuke Okajima, Atsuki Komiya

Proceedings of the 31st International Symposium on Transport Phenomena (ISTP-31)　ISTP15　2020/10
Numerical investigation on gas production from Shenhu (China): Influence of layer inclination and horizontal inhomogeneities Peer-reviewed

Lin Chen, Yongchang Feng, Sukru Merey, Koorthedath Pullayikodi Lijith, Devendra N. Singh, Atsuki Komiya, Shigenao Maruyama

Journal of Natural Gas Science and Engineering　82　103509-103509　2020/10
Publisher: Elsevier BV
DOI： 10.1016/j.jngse.2020.103509 　

ISSN： 1875-5100
Output density quantification of electricity generation by flowing deionized water on graphene Peer-reviewed

Kei Kuriya, Kotaro Ochiai, Golap Kalita, Masaki Tanemura, Atsuki Komiya, Gota Kikugawa, Taku Ohara, Ichiro Yamashita, Fumio S. Ohuchi, M. Meyyappan, Seiji Samukawa, Katsuyoshi Washio, Takeru Okada

Applied Physics Letters　117　(12)　123905-123905　2020/09/21
Publisher: AIP Publishing
DOI： 10.1063/5.0018862 　

ISSN： 0003-6951

eISSN： 1077-3118
Simulation of gas production from hydrate reservoir (AT1) of Eastern Nankai Trough Japan Peer-reviewed

Yongchang Feng, Lin Chen, Sukru Merey, K P Lijith, Devendra N Singh, Atsuki Komiya, Shigenao Maruyama

Environmental Geotechnics　1-9　2020/04/01
Publisher: Thomas Telford Ltd.
DOI： 10.1680/jenge.19.00177 　

eISSN： 2051-803X
Visualization of methane hydrate decomposition interface and analyses of decomposition rate and interfacial configuration Peer-reviewed

Yuki Kanda, Junnosuke Okajima, Shigenao Maruyama, Atsuki Komiya

Physics of Fluids　32　(4)　047105-047105　2020/04/01
Publisher: AIP Publishing
DOI： 10.1063/5.0002641 　

ISSN： 1070-6631

eISSN： 1089-7666
Evaluation of forced convective boiling heat transfer with layered parallel microchannels Peer-reviewed

Yusuke NISHIMURA, Junnosuke OKAJIMA, Takuya OOUCHI, Atsuki KOMIYA

Journal of Thermal Science and Technology　15　(1)　JTST0006-JTST0006　2020
Publisher: Japan Society of Mechanical Engineers
DOI： 10.1299/jtst.2020jtst0006 　

eISSN： 1880-5566
Regenerative cooling using elastocaloric rubber: Analytical model and experiments Peer-reviewed

Sebald, G., Komiya, A., Jay, J., Coativy, G., Lebrun, L.

Journal of Applied Physics　127　(9)　2020

DOI： 10.1063/1.5132361 　
Evaluation of rate-determining step of methane hydrate decomposition by measurement of transient heat and mass transfer near solid–gas interface Peer-reviewed

Kanda, Y., Komatsu, H., Okajima, J., Maruyama, S., Komiya, A.

International Journal of Heat and Mass Transfer　149　119191　2020

DOI： 10.1016/j.ijheatmasstransfer.2019.119191 　
Evaluation of the Relations between Hindered Diffusion Process of Protein and Membrane Structure Peer-reviewed

Atsuki Komiya, Ryo Watanabe, Hani Alkitabi Aldaftari, Shuichi Moriya, Sébastien Livi

Extended Abstracts of The Second Pacific Rim Thermal Engineering Conference　PRTEC-24440　2019/12
Novel measurement method of total emissivity by using guarded hot plate method Peer-reviewed

Shuta Koyanagi, Junnosuke Okajima, Shigenao Maruyama, Atsuki Komiya

Proceedings of the 30th International Symposium on Transport Phenomena　S1-ISTP148　2019/11
Visualization of methane hydrate decomposition surface and analyses of methane dissociation rate and interface configuration Peer-reviewed

Yuki Kanda, Junnosuke Okajima, Shigenao Maruyama, Atsuki Komiya

Proceedings of the 30th International Symposium on Transport Phenomena　S1-ISTP139　2019/11
High-.speed Interferometric Measurement of Interfacial Heat Transfer with Arbaa Prism Peer-reviewed

Yuki Kanda, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 12th Asian Thermophysical Properties Conference　2019/10
Thermo-fluid Dynamic Design Exploration of a Double Pipe Heat Exchanger Peer-reviewed

Tomohiro Hirano, Mitsuo Yoshimura, Koji Shimoyama, Atsuki Komiya

Proceedings of the ASME-JSME-KSME 2019 Joint Fluids Engineering Conference　AJKFLUIDS2019-4998　2019/07
Formation and Measurement of Plasma Fine Bubbles Peer-reviewed

SATO Takehiko, KANAZAWA Seiji, OHTANI Kiyonobu, KOMIYA Atsuki, KANEKO Toshiro, NAKAJIMA Tomoki, TINGUELY Marc, FARHAT Mohamed, UEHARA Satoshi, KUMAGAI Ryo, MIYAHARA Takashi, OIZUMI Masanobu, NAKATANI Tatsuyuki, OCHIAI Shiroh, MIYAZAKI Takamichi, FUJITA Hidemasa

JAPANESE JOURNAL OF MULTIPHASE FLOW　33　(4)　382-389　2019
Publisher: THE JAPANESE SOCIETY FOR MULTIPHASE FLOW
DOI： 10.3811/jjmf.2019.T016 　

ISSN： 0914-2843

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<p>Fine bubbles generated by plasma in water that we named as "Plasma Fine Bubbles," have high potential to generate long-life ultrafine bubbles due to electrical charges. It is shown that the residual bubbles formed by collapse of streamer gas channels which show a similar process of cavitation bubbles in various points such as growth, shrink, collapse, rebound, and fragmentation. There are also introductions about ultrafine bubbles measured by a dynamic laser scattering method, amount of electrical charge of plasma fine bubbles estimated by analyzing their movements under application of an intense electric field strength, evidence of hydrogen gas generation in laser/spark induced bubbles and a distinguishing method for between gas bubbles and solid particles.</p>
The effect of contact force during radiofrequency catheter ablation using a vibrating catheter: New cooling method for catheter ablation International-journal Peer-reviewed

Yu, K., Yamashita, T., Shingyochi, S., Matsumoto, K., Komiya, A., Ohta, M.

Technology and Health Care　27　(6)　589-601　2019

DOI： 10.3233/THC-191639 　
Formation of fine bubbles by plasma in water Peer-reviewed

Sato, T., Uehara, S., Kumagai, R., Miyahara, T., Oizumi, M., Nakatani, T., Ochiai, S., Miyazaki, T., Fujita, H., Kanazawa, S., Ohtani, K., Komiya, A., Kaneko, T., Nakajima, T., Tinguely, M., Farhat, M.

International Journal of Plasma Environmental Science and Technology　12　(2)　2019
Three-step phase-shifting imaging ellipsometry to measure nanofilm thickness profiles Peer-reviewed

Shoji, E., Komiya, A., Okajima, J., Kubo, M., Tsukada, T.

Optics and Lasers in Engineering　112　145-150　2019

DOI： 10.1016/j.optlaseng.2018.09.005 　
Numerical analysis of gas production from layered methane hydrate reservoirs by depressurization Peer-reviewed

Feng, Y., Chen, L., Suzuki, A., Kogawa, T., Okajima, J., Komiya, A., Maruyama, S.

Energy　166　1106-1119　2019

DOI： 10.1016/j.energy.2018.10.184 　

ISSN： 0360-5442
Experimental evaluation of thermal radiation effects on natural convection with a Rayleigh number of 10⁸–10⁹ by using an interferometer Peer-reviewed

Kogawa, T., Shoji, E., Okajima, J., Komiya, A., Maruyama, S.

International Journal of Heat and Mass Transfer　132　1239-1249　2019

DOI： 10.1016/j.ijheatmasstransfer.2018.11.162 　

ISSN： 0017-9310
Thermo-fluid dynamic design optimization of a concentric tube heat exchanger Peer-reviewed

Hirano, T., Yoshimura, M., Shimoyama, K., Komiya, A.

Journal of Fluid Science and Technology　14　(2)　JFST0011　2019

DOI： 10.1299/JFST.2019JFST0011 　
Radiative control through greenhouse covering materials using pigmented coatings Peer-reviewed

Aldaftari, H.A., Okajima, J., Komiya, A., Maruyama, S.

Journal of Quantitative Spectroscopy and Radiative Transfer　231　29-36　2019

DOI： 10.1016/j.jqsrt.2019.04.009 　
Numerical analysis of gas production from reservoir-scale methane hydrate by depressurization with a horizontal well: The effect of permeability anisotropy Peer-reviewed

Feng, Y., Chen, L., Suzuki, A., Kogawa, T., Okajima, J., Komiya, A., Maruyama, S.

Marine and Petroleum Geology　102　817-828　2019

DOI： 10.1016/j.marpetgeo.2019.01.041 　

ISSN： 0264-8172
Enhancement of gas production from methane hydrate reservoirs by the combination of hydraulic fracturing and depressurization method Peer-reviewed

Feng, Y., Chen, L., Suzuki, A., Kogawa, T., Okajima, J., Komiya, A., Maruyama, S.

Energy Conversion and Management　184　194-204　2019

DOI： 10.1016/j.enconman.2019.01.050 　

ISSN： 0196-8904
Effects of concentration of participating media on turbulent natural convection in cubic cavity Peer-reviewed

Kogawa, T., Chen, L., Okajima, J., Sakurai, A., Komiya, A., Maruyama, S.

Applied Thermal Engineering　131　141-149　2018/02
Publisher: Elsevier Ltd
DOI： 10.1016/j.applthermaleng.2017.11.135 　

ISSN： 1359-4311
Oceanic methane hydrate utilization system design and reservoir scale numerical modeling,海洋可燃冰采掘利用系统设计及储层尺度的数值模拟 Peer-reviewed

Chen, L., Feng, Y., Yamada, H., Kanda, Y., Okajima, J., Komiya, A., Maruyama, S.

Kexue Tongbao/Chinese Science Bulletin　63　(31)　3241-3250　2018

DOI： 10.1360/N972018-00038 　

ISSN： 0023-074X

eISSN： 2095-9419
Construction and simulation of reservoir scale layered model for production and utilization of methane hydrate: The case of Nankai Trough Japan Peer-reviewed

Chen, L., Feng, Y., Kogawa, T., Okajima, J., Komiya, A., Maruyama, S.

Energy　143　128-140　2018
Publisher: Elsevier Ltd
DOI： 10.1016/j.energy.2017.10.108 　

ISSN： 0360-5442
Precise Measurement of CO2 Absorption Process into Alkanolamine at Gas-liquid Interface Peer-reviewed

Atsuki Komiya, Toru Saito

Proceedings of the 29th International Symposium on Transport Phenomena (ISTP-29)　paper179　2018
Visualization of heat and mass transfer near the formation and dissociation interface of CO2 hydrate with high-speed phase-shifting interferometer Peer-reviewed

Yuki Kanda, Eita Shoji, Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

International Heat Transfer Conference　2018-August　8767-8774　2018

ISSN： 2377-424X
Numerical Study of the Effect of Over/Underburden Permeability on Methane Hydrate Dissociation by Depressurization Peer-reviewed

Yongchang Feng, Lin Chen, Hikaru Yamada, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 16th International Heat Transfer Conference (IHTC-16)　IHTC16-23460　2018
Experimental Study of Natural Convection in a Cavity: Precise Visualization Method of Temperature Field Peer-reviewed

Menghua Duan, Lin Chen, Yongchang Feng, Junnosuke Okajima, Atsuki Komiya

Proceedings of the 16th International Heat Transfer Conference (IHTC-16)　IHTC16-22825　2018
Production behavior and numerical analysis for 2017 methane hydrate extraction test of Shenhu, South China Sea Peer-reviewed

Chen, L., Feng, Y., Okajima, J., Komiya, A., Maruyama, S.

Journal of Natural Gas Science and Engineering　53　55-66　2018

DOI： 10.1016/j.jngse.2018.02.029 　
Report on Microgravity Experiments of Dynamic Surface Deformation Effects on Marangoni Instability in High-Prandtl-Number Liquid Bridges Peer-reviewed

Yano, T., Nishino, K., Matsumoto, S., Ueno, I., Komiya, A., Kamotani, Y., Imaishi, N.

Microgravity Science and Technology　30　(5)　1-12　2018
Publisher: Springer Netherlands
DOI： 10.1007/s12217-018-9614-9 　

ISSN： 1875-0494 0938-0108
Propagation and branching process of negative streamers in water Peer-reviewed

Kumagai, R., Kanazawa, S., Ohtani, K., Komiya, A., Kaneko, T., Nakajima, T., Sato, T.

Journal of Applied Physics　124　(16)　163301　2018

DOI： 10.1063/1.5025376 　
Visualization of the flow pattern in methane hydrate reservoir model Peer-reviewed

Yamada, H., Chen, L., Okajima, J., Komiya, A., Maruyama, S.

Journal of Fluid Science and Technology　13　(4)　JFST0028　2018

DOI： 10.1299/jfst.2018jfst0028 　
Measurement of concentration dependency of diffusion coefficient in ethanol-water solution under different storage condition Peer-reviewed

Komiya, A., Sato, K., Okajima, J.

Journal of Fluid Science and Technology　13　(4)　JFST0030　2018

DOI： 10.1299/jfst.2018jfst0030 　
Measurement of Temperature Difference and Transient Flow of Natural Convection Influenced by Thermal Radiation Peer-reviewed

Takuma Kogawa, Eita Shoji, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 11th Pacific Symposium on Flow Visualization and Image Processing (PSFVIP11)　PSFVIP11-083　2017/12/01
Reflections on the Stability Conditions and Energy Conversion of Supercritical Fluids Based Natural Circulation Loops Peer-reviewed

Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 7th International Conference on Power and Energy System (ICPES 2017)　E104-A　2017/11/01
Energy System Analysis of a Low CO2 Emission Power Plant Utilizing Oceanic Methene Hydrate with CCS Peer-reviewed

Tsutomu Watanabe, Lin Chen, Hirotoshi Sasaki, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 7th International Conference on Power and Energy System (ICPES 2017)　E105-A　2017/11/01
Effects of Production Strategy and Operation Parameters on Reservoir Scale Methane Hydrate Dissociation Flows Peer-reviewed

Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Extend Abstracts of the Ninth JSME-KSME Thermal and Fluids Engineering Conference (TFEC9)　TFEC9-1023　2017/10/27
Radiative Transfer of Pigment Films for Transmission Control Peer-reviewed

Hani Alkitabi Aldaftari, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Extend Abstracts of the Ninth JSME-KSME Thermal and Fluids Engineering Conference (TFEC9)　TFEC9-1452　2017/10/27
Study on Active Control of Protein Transport Phenomena by Membrane Peer-reviewed

Atsuki Komiya, Sebastien Livi

Proceedings of the 28th International Symposium on Transport Phenomena (ISTP-28)　paper 54　2017/09/22
Study on Methane Hydrate as a Future Energy Resource: Low Emission Extraction and Power Generation Peer-reviewed

Lin Chen, Hikaru Yamada, Yuki Kanda, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 2016 International Conference on New Energy and Future Energy System　FES1301　2017/08/19
Large Scale Numerical Simulation of Methane Hydrate Utilization System with Low Carbon Emission Design Peer-reviewed

Lin Chen, Yongchang Feng, Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Sigenao Maruyama

Proceedings of The 12th International Green Energy Conference (IGEC-XII)　IGEC2017-080　2017/07/31
Visualization of inception, propagation and collapse process of underwater positive streamer Peer-reviewed

Takehiko Sato, Ryo Kumagai, Tomoyuki Nakajima, Kiyonobu Ohtani, Atsuki Komiya, Seiji Kanazawa, Toshiro Kaneko

Proceedings of the 31st International Symposium on Shock Waves (ISSW31)　2017/07/09
Simultaneous Measurement of Mass Diffusion Coefficient and Its Concentration Dependency of Ethanol – Water Solution Peer-reviewed

Kengo Sato, Atsuki Komiya, Junnosuke Okajima, Shigenao Maruyama

Proceedings of 9th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics (ExHFT9)　OC.133　2017/06/12
Visualization study of supercritical fluid convection and heat transfer in weightlessness by interferometry: A brief review Peer-reviewed

Bi-Li Deng, Yuki Kanda, Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Microgravity Science and Technology　29　(4)　275-295　2017/05/10
Publisher: Springer Science and Business Media LLC
DOI： 10.1007/s12217-017-9546-9 　

ISSN： 0938-0108

eISSN： 1875-0494
Coherent regime and far-to-near-field transition for radiative heat transfer Peer-reviewed

Tsurimaki, Y., Chapuis, P.-O., Okajima, J., Komiya, A., Maruyama, S., Vaillon, R.

Journal of Quantitative Spectroscopy and Radiative Transfer　187　310-321　2017

DOI： 10.1016/j.jqsrt.2016.08.006 　

ISSN： 0022-4073

eISSN： 1879-1352
Influence of radiation effect on turbulent natural convection in cubic cavity at normal temperature atmospheric gas Peer-reviewed

Kogawa, T., Okajima, J., Sakurai, A., Komiya, A., Maruyama, S.

International Journal of Heat and Mass Transfer　104　456-466　2017

DOI： 10.1016/j.ijheatmasstransfer.2016.08.059 　

ISSN： 0017-9310

eISSN： 1879-2189
Development of a guard-heated thermistor probe for the accurate measurement of surface temperature Peer-reviewed

Okabe, T., Okajima, J., Komiya, A., Maruyama, S.

International Journal of Heat and Mass Transfer　108　(B)　2283-2292　2017
Publisher: Elsevier Ltd
DOI： 10.1016/j.ijheatmasstransfer.2017.01.072 　

ISSN： 0017-9310
Investigation on the dissociation flow of methane hydrate cores: Numerical modeling and experimental verification Peer-reviewed

Chen, L., Yamada, H., Kanda, Y., Okajima, J., Komiya, A., Maruyama, S.

Chemical Engineering Science　163　31-43　2017

DOI： 10.1016/j.ces.2017.01.032 　

ISSN： 0009-2509

eISSN： 1873-4405
A novel treatment for metastatic lymph nodes using lymphatic delivery and photothermal therapy Peer-reviewed

Oladipo, A.O., Oluwafemi, O.S., Songca, S.P., Sukhbaatar, A., Mori, S., Okajima, J., Komiya, A., Maruyama, S., Kodama, T.

Scientific Reports　7　45459　2017
Publisher: Nature Publishing Group
DOI： 10.1038/srep45459 　

ISSN： 2045-2322
Experimental study of methane hydrate dissociation and gas production behaviors under depressurization Peer-reviewed

Yamada, H., Chen, L., Lacaille, G., Shoji, E., Okajima, J., Komiya, A., Maruyama, S.

International Journal of Mechanical Engineering and Robotics Research　6　(2)　140-146　2017

DOI： 10.18178/ijmerr.6.2.140-146 　
Production strategy for oceanic methane hydrate extraction and power generation with Carbon Capture and Storage (CCS) Peer-reviewed

Chen, L., Sasaki, H., Watanabe, T., Okajima, J., Komiya, A., Maruyama, S.

Energy　126　(1)　256-272　2017

DOI： 10.1016/j.energy.2017.03.029 　

ISSN： 0360-5442

eISSN： 1873-6785
Treatment of tumor in lymph nodes using near-infrared laser light-activated thermosensitive liposome-encapsulated doxorubicin and gold nanorods Peer-reviewed

Matsuki, D., Adewale, O., Horie, S., Okajima, J., Komiya, A., Oluwafemi, O., Maruyama, S., Mori, S., Kodama, T.

Journal of Biophotonics　10　(12)　1676-1682　2017

DOI： 10.1002/jbio.201600241 　

ISSN： 1864-063X

eISSN： 1864-0648
Measurement of transient heat transfer in vicinity of gas–liquid interface using high-speed phase-shifting interferometer Peer-reviewed

Kanda, Y., Shoji, E., Chen, L., Okajima, J., Komiya, A., Maruyama, S.

International Communications in Heat and Mass Transfer　89　57-63　2017

DOI： 10.1016/j.icheatmasstransfer.2017.09.020 　

ISSN： 0735-1933
Estimation and measurement of permeability inside methane hydrate mimicking porous media Peer-reviewed

Guillaume Lacaille, Hikaru Yamada, Eita Shoji, Lin Chen, Hiroki Gonome, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Journal of Fluid Science and Technology　11　(4)　1-12　2016/12/28

DOI： 10.1299/jfst.2016jfst0031 　
Influence of Non-gray Participating Media and Wall Surface on Turbulent Natural Convection Heat Transfer in Cubic Cavity Peer-reviewed

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of 20th Australasian Fluid Mechanics Conference　2016/12/06
Design and Feasibility Analysis of Microscale Bumped Channel With Supersonic Flow for Electronics Cooling Peer-reviewed

Yuya Takahashi, Lin Chen, Junnosuke Okajima, Yuka Iga, Atsuki Komiya, Wu-Shung Fu, Shigenao Maruyama

JOURNAL OF MICROELECTROMECHANICAL SYSTEMS　25　(6)　1033-1040　2016/12

DOI： 10.1109/JMEMS.2016.2613942 　

ISSN： 1057-7157

eISSN： 1941-0158
Investigation of Effect of Skin Structure and Temperature Distribution in Body on Non-invasive Measurement of Effective Thermal Conductivity of Human Skin Peer-reviewed

Takahiro Okabe, Junnosuke Okajima, Taku Fujimura, Atsuki Komiya, Setsuya Aiba, Shigenao Maruyama

Proceedings of the Fourth International Forum on Heat Transfer　2016/11
Visualization of CO2 Absorption Process in the Vicinity of Gas-Liquid Interface Peer-reviewed

Toru Saito, Atsuki Komiya, Junnosuke Okajima, Shigenao Maruyama

Proceedings of the Fourth International Forum on Heat Transfer　2016/11
Interferometric measurement and numerical comparisons of supersonic heat transfer flows in microchannel Peer-reviewed

Yuya Takahashi, Lin Chen, Junnosuke Okajima, Yuka Iga, Atsuki Komiya, Shigenao Maruyama

APPLIED THERMAL ENGINEERING　109　582-590　2016/10

DOI： 10.1016/j.applthermaleng.2016.08.108 　

ISSN： 1359-4311
Visualization of Transient Mass Transfer During Methane Hydrate Dissociation Using High-Speed Phase-Shifting Interferometer, Peer-reviewed

Y. Kanda, E. Shoji, J. Okajima, A. Komiya, L. Chen, H. Yamada, S. Maruyama

Proceedings of The 27th International Symposium on Transport Phenomena　2016/09/22
Experimental Evaluation of Heat and Mass Transfer in a Mimicked Methane Hydrate Reservoir Peer-reviewed

Guillaume Lacaille, Hikaru Yamada, Hiroki Gonome, Eita Shoji, Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the First Pacific Rim Thermal Engineering Conference　2016/03
Transition from the incoherent to the coherent regime for propagative-wave based thermal radiation Peer-reviewed

Y. Tsurimaki, P. O. Chapuis, J. Okajima, A. Komiya, S. Maruyama, R. Vaillon

Journal of Physics: Conference Series　676　(1)　1-3　2016/01/26
Publisher: Institute of Physics Publishing
DOI： 10.1088/1742-6596/676/1/012023 　

ISSN： 1742-6596 1742-6588
Study of methane hydrate as a future energy resource: low emission extraction and power generation Peer-reviewed

L. Chen, H. Yamada, Y. Kanda, H. Sasaki, J. Okajima, Y. Iga, A. Komiya, S. Maruyama

2016 INTERNATIONAL CONFERENCE ON NEW ENERGY AND FUTURE ENERGY SYSTEM (NEFES 2016)　40　012074　2016

DOI： 10.1088/1755-1315/40/1/012074 　

ISSN： 1755-1307
Numerical simulation of stability behaviors and heat transfer characteristics for near-critical fluid microchannel flows Peer-reviewed

Chen, L., Zhang, X.-R., Okajima, J., Komiya, A., Maruyama, S.

Energy Conversion and Management　110　407-418　2016

DOI： 10.1016/j.enconman.2015.12.031 　

ISSN： 0196-8904

eISSN： 1879-2227
Role of continuous discharge current for secondary streamer in water Peer-reviewed

Fujita, H., Kanazawa, S., Ohtani, K., Komiya, A., Kaneko, T., Sato, T.

International Journal of Plasma Environmental Science and Technology　10　(1)　24-19　2016
Large eddy simulation of turbulent natural convection between symmetrically heated vertical parallel plates for water Peer-reviewed

Kogawa, T., Okajima, J., Komiya, A., Armfield, S., Maruyama, S.

International Journal of Heat and Mass Transfer　101　870-877　2016

DOI： 10.1016/j.ijheatmasstransfer.2016.04.083 　

ISSN： 0017-9310

eISSN： 1879-2189
Numerical analysis of core-scale methane hydrate dissociation dynamics and multiphase flow in porous media Peer-reviewed

Chen, L., Yamada, H., Kanda, Y., Lacaille, G., Shoji, E., Okajima, J., Komiya, A., Maruyama, S.

Chemical Engineering Science　153　221-235　2016

DOI： 10.1016/j.ces.2016.07.035 　

ISSN： 0009-2509

eISSN： 1873-4405
Study of methane hydrate as a future energy resource: low emission extraction and power generation Peer-reviewed

L. Chen, H. Yamada, Y. Kanda, H. Sasaki, J. Okajima, Y. Iga, A. Komiya, S. Maruyama

2016 INTERNATIONAL CONFERENCE ON NEW ENERGY AND FUTURE ENERGY SYSTEM (NEFES 2016)　40　2016

DOI： 10.1088/1755-1315/40/1/012074 　

ISSN： 1755-1307
Interferometric measurement and numerical comparisons of supersonic heat transfer flows in microchannel Peer-reviewed

Takahashi, Y., Chen, L., Okajima, J., Iga, Y., Komiya, A., Maruyama, S.

Applied Thermal Engineering　109　582-590　2016

DOI： 10.1016/j.applthermaleng.2016.08.108 　

ISSN： 1359-4311
Design and Feasibility Analysis of Microscale Bumped Channel with Supersonic Flow for Electronics Cooling Peer-reviewed

Takahashi, Y., Chen, L., Okajima, J., Iga, Y., Komiya, A., Fu, W.-S., Maruyama, S.

Journal of Microelectromechanical Systems　25　(6)　1033-1040　2016

DOI： 10.1109/JMEMS.2016.2613942 　

ISSN： 1057-7157

eISSN： 1941-0158
Evaluation of the boundary layer of the turbulent natural convection in square cavity with radiation effect Peer-reviewed

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of 9th Australasian Natural Convection Workshop(9ANCW)　35-36　2015/12/14
Evaluation of power generation system utilizing ocean methane hydrate and chemical carbon capture and storage system Peer-reviewed

Hiroki GONOME, Hirotoshi SASAKI, Junnosuke OKAJIMA, Atsuki KOMIYA, Shigenao MARUYAMA

Proceedings of the International Conference on Power Engineering-15　2015/12/03

DOI： 10.1299/jsmeicope.2015.12._ICOPE-15-_6 　
Development of guarded hot plate apparatus utilizing Peltier module for precise thermal conductivity measurement of insulation materials Peer-reviewed

Tatsuya Kobari, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

International Journal of Heat and Mass Transfer　91　1157-1166　2015/12
Publisher: Elsevier BV
DOI： 10.1016/j.ijheatmasstransfer.2015.08.044 　

ISSN： 0017-9310
Evaluation of radiation effect to the heat and fluid flow characteristics in the turbulent natural convection of square Peer-reviewed

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Steven Armfield, Shigenao Maruyama

Papers of the 26th International Symposium on Transport Phenomena　2015/09/30
Simultaneous measurement of concentration and flow fields in CO2 absorption process Peer-reviewed

Toru SAITO, Atsuki KOMIYA, Junnosuke OKAJIMA, Shigenao MARUYAMA

Papers of the 26th International Symposium on Transport Phenomena　2015/09/29
Performance Evaluation About Low CO2 Emission Power Generation System Utilizing Ocean Methane Hydrate Peer-reviewed

Hiroki Gonome, Hirotoshi Sasaki, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment　2015/05
水中正ストリーマの進展開始電圧に及ぼす放電パラメータの影響 Peer-reviewed

藤田英理, 金澤誠司, 大谷清伸, 小宮敦樹, 金子俊郎, 佐藤岳彦

静電気学会誌　39　(1)　21-26　2015/01/31
Publisher:
ISSN： 0386-2550
Transition from multiplicity to singularity of steady natural convection in a tilted cubical enclosure Peer-reviewed

Torres, J.F., Henry, D., Komiya, A., Maruyama, S.

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics　92　(2)　2015

DOI： 10.1103/PhysRevE.92.023031 　

ISSN： 1539-3755

eISSN： 1550-2376
Quantitative visualization of boundary layers by developing quasi-common-path phase-shifting interferometer Peer-reviewed

Shoji, E., Nakaoku, R., Komiya, A., Okajima, J., Maruyama, S.

Experimental Thermal and Fluid Science　60　231-240　2015

DOI： 10.1016/j.expthermflusci.2014.08.016 　

ISSN： 0894-1777

eISSN： 1879-2286
High-speed phase-shifting interferometry using triangular prism for time-resolved temperature measurement Peer-reviewed

Shoji, E., Komiya, A., Okajima, J., Kawamura, H., Maruyama, S.

Applied Optics　54　(20)　6297-6304　2015

DOI： 10.1364/AO.54.006297 　

ISSN： 1559-128X

eISSN： 2155-3165
Photothermal therapy of tumors in lymph nodes using gold nanorods and near-infrared laser light with controlled surface cooling Peer-reviewed

Sugiura, T., Matsuki, D., Okajima, J., Komiya, A., Mori, S., Maruyama, S., Kodama, T.

Nano Research　8　(12)　3842-3852　2015

DOI： 10.1007/s12274-015-0884-x 　

ISSN： 1998-0124

eISSN： 1998-0000
MEASUREMENT OF DENSITY FIELD OF SUPERSONIC FLOW INSIDE A MICRO-CHANNEL BY PHASE SHIFTING INTERFEROMETER Peer-reviewed

Yuya Takahashi, Junnosuke Okajima, Yuka Iga, Atsuki Komiya, Shigenao Maruyama

The 25th International Symposium on Transport Phenomena　103-103　2014/11/06
NUMERICAL INVESTIGATION ON THERMAL AND HYDRODYNAMICAL BEHAVIOR OF EXPANDING SINGLE BUBBLE IN MICROCHANNEL Peer-reviewed

Junnosuke Okajima, Yuta Aizawa, Ken Hou, Paul Zehner, Atsuki Komiya, Shigenao Maruyama

The 25th International Symposium on Transport Phenomena　110-110　2014/11/06
拡散近似を用いた高温多孔質断熱材におけるふく射伝熱評価 Peer-reviewed

小針達也, 岡島淳之介, 小宮敦樹, 円山重直

熱物性　28　(4)　179-184　2014/11

DOI： 10.2963/jjtp.28.179 　
Thermal radiation between two plates: regime map and analytical expressions for the net radiative heat flux from far to near field Peer-reviewed

Jeff Mayo, Yoichiro Tsurimaki, Pierre-Olivier Chapuis, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Eurotherm 103 Nanoscale and Microscale Heat Transfer IV　121-123　2014/10
ESTIMATION OF BLOOD PERFUSION RATE AND ITS TEMPERATURE DEPENDENCY IN HUMAN ABDOMINAL AREA UNDER HEATING CONDITION Peer-reviewed

J. Okajima, T. Okabe, T. Sugiura, A. Komiya, T. Seki, S. Maruyama

15th International Heat Transfer Conference　2014/08
REDUCING THERMAL RADIATION BETWEEN PARALLEL PLATES IN THE FAR-TO-NEAR FIELD TRANSITION REGIME Peer-reviewed

Yoichiro Tsurimaki, Pierre-Olivier Chapuis, Rodolphe Vaillon, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

IHTC15　2014/08
Application of Traditional Medical Ideas to Geriatric Syndrome, Advances in Geriatrics Peer-reviewed

Takashi Seki, Shin Takayama, Masashi Watanabe, Noriko Tsuruoka, Tadao Matsunaga, Yoichi Haga, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama, Kenichi Meguro

Advances in Geriatrics　2014　2014/07
Quantitative and High-speed Measurement of Temperature Field by Phase-shifting Interferometer Peer-reviewed

Eita SHOJI, Junnosuke OKAJIMA, Atsuki KOMIYA, Shuichi KOMIYA, Hiroshi KAWAMURA, Shigenao MARUYAMA

The 16th International Symposium on Flow Visualization (ISFV16)　ISFV16-1254　2014/06/25
永久塩泉を用いた海洋深層水汲み上げによる沖ノ鳥島海洋緑化に向けた湧昇パイプ展開方法の提案 Peer-reviewed

古川琢磨, 矢吹崇, 知崎正純, 守谷修一, 岡島淳之介, 小宮敦樹, 竹原洋一郎, 石川陽一, 塩原泰, 市川正和, 円山重直

土木学会論文集　B3　(70)　1-12　2014/06/20
Publisher: Japan Society of Civil Engineers
DOI： 10.2208/jscejoe.70.1 　

ISSN： 2185-4688

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In order to develop the fish place around Okinotori-Shima, it has been required that the fertilization of ocean by the nutrient-rich deep seawater. In this proposal, the upwelling method by perpetual salt fountain has been investigated. When the upwelling pipe is moored at the bottom of the ocean, it has a possibility of gradient of the upwelling of pipe. In this study, to moor the upwelling pipe at Okinotori-Shima, the method which spread the streamline upwelling pipe by using container is proposed. To establish this method, the spreading condition of upwelling upwelling pipe was designed and the availability of spreading method of pipe using container was evaluated. The gradient of pipe was modeled with drag coefficient measured by drag force measurement experiment and the buoyancy of the buoy to moor the streamline upwelling pipe at the bottom of the ocean was calculated. And also, the experiment of spreading of the 25 m upwelling pipe was conducted and the spreading of the pipe and the movement of dropping of container were observed. Using this experimental result, dropping movement of container at Okinotori-shima was evaluated.
Radiative heat transfer between two semi-infinte parallel plates at the far-to-near field transition regime Peer-reviewed

Yoichiro Tsurimaki, Pierre-Olivier Chapuis, Rodolphe Vaillon, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Second International Workshop on Nano-Micro Thermal Radiation: Energy, Manufacturing, Materials and Sensing (NanoRad2014)　44-45　2014/06/09
New Approach to Optimizing Pigmented Coatings for Ultraviolet Barrier and Blue Light Protection Peer-reviewed

Hiroki Gonome, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Second International Workshop on Nano-Micro Thermal Radiation: Energy, Manufacturing, Materials and Sensing (NanoRad2014)　6-7　2014/06/08
Evaluation of characteristics of Phase Change Heat Transfer in Ultrafine Cryoprobe Peer-reviewed

Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Journal of Flow Control, Measurement & Visualization　2　(2)　55-65　2014/04
Preliminary Experiment of Supersonic Micro-channel Gas Flow Visualization by using Interferometer Peer-reviewed

Yuya TAKAHASHI, Junnosuke OKAJIMA, Yuka IGA, Atsuki KOMIYA, Shigenao MARUYAMA

Journal of Fluid Science and Technology, Vol. 9, No. 5 (2014), No. JFST0069.　9　(5)　JFST0069-JFST0069　2014
Publisher: The Japan Society of Mechanical Engineers
DOI： 10.1299/jfst.2014jfst0069 　

ISSN： 1880-5558

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In this study, a cooling device using supersonic flow inside a micro-channel has been evaluated. To confirm the density measurement and temperature estimation of the supersonic air flow inside a micro-channel, a preliminary experiment using an interferometer was conducted. A single micro-channel was fabricated in a small Si plate, which was made using Micro-Electro-Mechanical System (MEMS) technology. The channel size was approximately 200 μm in width, 500 μm in depth, and 6000 μm in length. The Deep Reactive-Ion-Etching (Deep-RIE) method was used for fabricating of the channel. A fabricated Si plate was sandwiched between glass plates. The density field of the supersonic/subsonic air flow near inlet and outlet were recorded as phase-shifted data using a phase-shifting interferometer. The pressure at the inlet, outlet, and inside the channel were set to 0.7 and 0.1 MPaA, respectively. The density field of the micro-channel air flow was evaluated despite the fringe number being less than one. This experimental result was compared with numerical simulation. From the comparison, the measured density field exhibited a good agreement with the numerical results, and the temperature field could be estimated. It was confirmed that this method was valid for the density measurement and the sophisticated visualization of the supersonic air flow inside a micro-channel.
Controlling the radiative properties of cool black-color coatings pigmented with CuO submicron particles Peer-reviewed

Gonome, H., Baneshi, M., Okajima, J., Komiya, A., Maruyama, S.

Journal of Quantitative Spectroscopy and Radiative Transfer　132　90-98　2014

DOI： 10.1016/j.jqsrt.2013.02.027 　

ISSN： 0022-4073

eISSN： 1879-1352
Experimental evaluation of optimization method for developing ultraviolet barrier coatings Peer-reviewed

Gonome, H., Okajima, J., Komiya, A., Maruyama, S.

Journal of Quantitative Spectroscopy and Radiative Transfer　133　454-463　2014

DOI： 10.1016/j.jqsrt.2013.09.007 　

ISSN： 0022-4073

eISSN： 1879-1352
Fast propagation of an underwater secondary streamer by the appearance of a continuous component in the discharge current Peer-reviewed

Fujita, H., Kanazawa, S., Ohtani, K., Komiya, A., Kaneko, T., Sato, T.

EPL　105　(1)　2014

DOI： 10.1209/0295-5075/105/15003 　

ISSN： 0295-5075

eISSN： 1286-4854
Control of thermal barrier performance by optimized nanoparticle size and experimental evaluation using a solar simulator Peer-reviewed

Gonome, H., Baneshi, M., Okajima, J., Komiya, A., Yamada, N., Maruyama, S.

Journal of Quantitative Spectroscopy and Radiative Transfer　149　81-89　2014

DOI： 10.1016/j.jqsrt.2014.07.025 　

ISSN： 0022-4073

eISSN： 1879-1352
Bifurcation analysis of steady natural convection in a tilted cubical cavity with adiabatic sidewalls Peer-reviewed

Torres, J., Henry, D., Komiya, A., Maruyama, S.

Journal of Fluid Mechanics　756　650-688　2014

DOI： 10.1017/jfm.2014.448 　

ISSN： 0022-1120

eISSN： 1469-7645
Highly temporal visualization of generation process of underwater secondary streamer from developed primary streamer Peer-reviewed

Fujita, H., Kanazawa, S., Ohtani, K., Komiya, A., Kaneko, T., Sato, T.

IEEE Transactions on Plasma Science　42　(10)　2398-2399　2014

DOI： 10.1109/TPS.2014.2325937 　

ISSN： 0093-3813

eISSN： 1939-9375
24-gauge ultrafine cryoprobe with diameter of 550μm and its cooling performance Peer-reviewed

Okajima, J., Komiya, A., Maruyama, S.

Cryobiology　69　(3)　411-418　2014
Publisher: Academic Press Inc.
DOI： 10.1016/j.cryobiol.2014.09.104 　

ISSN： 1090-2392 0011-2240
Initiation process and propagation mechanism of positive streamer discharge in water Peer-reviewed

Fujita, H., Kanazawa, S., Ohtani, K., Komiya, A., Kaneko, T., Sato, T.

Journal of Applied Physics　116　(21)　2014

DOI： 10.1063/1.4902862 　

ISSN： 0021-8979

eISSN： 1089-7550
Highly spatiotemporal visualization of streamer propagations in water Peer-reviewed

Hidemasa Fujita, Seiji Kanazawa, Kiyonobu Ohtani, Atsuki Komiya, Takehiko Sato

Proceedings of the Twelfth International Conference on Fluid Control, Measurements, and Visualization　OS13-02-3　2013/11
Experimental and numerical evaluation of small-scale cryosurgery using ultrafine cryoprobe Peer-reviewed

Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Journal of Nanotechnology in Engineering and Medicine　4　(4)　041009-1-041009-5　2013/11/01

DOI： 10.1115/1.4027988 　

ISSN： 1949-2944

eISSN： 1949-2952
Estimation Method for Thermal Conductivity of Soft Materials and Liquids by Inverse Analysis Peer-reviewed

Takahiro OKABE, Junnosuke OKAJIMA, Atsuki KOMIYA, Ichiro TAKAHASHI, Shigenao MARUYAMA

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B　79　(806)　2264-2274　2013/10
Publisher: Japan Society of Mechanical Engineers
DOI： 10.1299/kikaib.79.2264 　

ISSN： 0387-5016

eISSN： 1884-8346
Large eddy simulation of the diffusion process of nutrient-rich up-welled seawater Peer-reviewed

Takuma Kogawa, Shigenao Maruyama, Masud Behnia, Masasazumi Chisaki, Junnosuke Okajima, Atsuki Komiya

Frontiers in Heat and Mass Transfer　4　(2)　2013/09/20
Publisher: Global Digital Central
DOI： 10.5098/hmt.v4.2.3002 　

ISSN： 2151-8629
Measurement of Soret and Fickian diffusion coefficients by orthogonal phase-shifting interferometry and its application to protein aqueous solutions Peer-reviewed

Juan F. Torres, Atsuki Komiya, Daniel Henry, Shigenao Maruyama

The Journal of Chemical Physics　139　(7)　074203-074203　2013/08/21
Publisher: AIP Publishing
DOI： 10.1063/1.4817682 　

ISSN： 0021-9606

eISSN： 1089-7690
Measurement of boundary layers using phase-shifting quasi common path interferometer Peer-reviewed

Shigenao Maruyama, Eita Shoji, Junnosuke Okajima, Atsuki Komiya

Proceedings of the 9th Pacific Symposium of Flow Visualization and Image Processing　37-43　2013/08
Inverse method for estimating local thermal diffusivity of biomaterials Peer-reviewed

Takahiro OKABE, Junnosuke OKAJIMA, Atsuki KOMIYA, Yun LUO, Ichiro TAKAHASHI, Shigenao MARUYAMA

Journal of Thermal Science and Technology　8　(2)　395-406　2013/07
Publisher: Japan Society of Mechanical Engineers
DOI： 10.1299/jtst.8.395 　

eISSN： 1880-5566
Thermal performance of black cupric oxide submicron-particulate coatings: exposure temperature measurement Peer-reviewed

Hiroki Gonome, Mehdi Baneshi, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 7th International Symposium on Radiative Transfer　RAD-13-SH2　2013/06
Quantitative visualization of boundary layers using quasi common path phase-shifting interferometer Peer-reviewed

Eita Shoji, Ryota Nakaoku, Atsuki Komiya, Junnosuke Okajima, Shigenao Maruyama

Proceedings of the 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics　166　2013/06
Quantitative evaluation of protein mass flux in the vicinity of thin plate surface Peer-reviewed

Atsuki Komiya, Jérôme Chevalier, Sébastien Pruvos, Sébastien Livi

Proceedings of the 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics　447　2013/06
Three-dimensional continuation study of convection in a tilted rectangular enclosure Peer-reviewed

Torres, J.F., Henry, D., Komiya, A., Maruyama, S., Ben Hadid, H.

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics　88　(4)　2013

DOI： 10.1103/PhysRevE.88.043015 　

ISSN： 1539-3755

eISSN： 1550-2376
STUDY OF SUPERSONIC MICRO-CHANNEL FOR COOLING ELECTRONIC DEVICES Peer-reviewed

Yuya Takahashi, Junnosuke Okajima, Yuka Iga, Atsuki Komiya, Wu-Shung Fu, Shigenao Maruyama

PROCEEDINGS OF THE 11TH INTERNATIONAL CONFERENCE ON NANOCHANNELS, MICROCHANNELS, AND MINICHANNELS, 2013　2013
Spatiotemporal analysis of propagation mechanism of positive primary streamer in water Peer-reviewed

Fujita, H., Kanazawa, S., Ohtani, K., Komiya, A., Sato, T.

Journal of Applied Physics　113　(11)　2013

DOI： 10.1063/1.4795765 　

ISSN： 0021-8979
Radiative properties of spectral selective coatings pigmented with TiO<inf>2</inf> nanoparticles Peer-reviewed

Gonome, H., Baneshi, M., Komiya, A., Maruyama, S.

Heat Transfer - Asian Research　42　(4)　2013

DOI： 10.1002/htj.20392 　
Visualization and Measurement of Laminar Natural Convection in Square Enclosure Peer-reviewed

Eita Shoji, Shion Kon, Atsuki Komiya, Junnosuke Okajima, Shigenao Maruyama

Proceedings of the third International Forum on Heat Transfer(IFHT2012)　2012/11/14
Temperature Distribution Measurement in Natural Convection around Vertical Heated Flat Plate by Using Inverse Abel Transform and Phase-Shifting Interferometer Peer-reviewed

Eita Shoji, Atsuki Komiya, Junnosuke Okajima, Shigenao Maruyama

Proceedings of 23rd International Symposium on Transport Phenomena　2012/11
Experimental Trial to Active Control of Protein Mass Flux in Hindered Diffusion Field Peer-reviewed

Atsuki Komiya, Jerome Chevalier

Proceedings of the 23rd International Symposium on Transport Phenomena　2012/11
点接触式熱物性測定法を利用した軟質材料及び液体の熱伝導率測定手法 Peer-reviewed

岡部孝裕, 眞下央, 岡島淳之介, 小宮敦樹, 高橋一郎, 円山重直

熱物性　26　(3)　136-141　2012/08
Publisher: JAPAN SOCIETY OF THERMOPHYSICAL PROPERTIES
DOI： 10.2963/jjtp.26.136 　

ISSN： 0913-946X

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A novel method for measurement of thermal conductivity of soft materials and liquids with the polyimide film by utilizing a point contact method has been developed to solve several problems when it was applied to soft materials and liquids. Numerical simulation was carried out to evaluate the effect of the polyimide film. In addition, water, agar, fat and muscle of pig were selected as soft materials and liquids and their thermal conductivity were measured. As a result, the repeatability of measurement was improved by using the polyimide film, but there were differences between determined and literature value of thermal conductivities. A method in this study has a possibility to measure the thermal conductivity of soft materials and liquids by application of sample calibration correcting the bias.
Development of Cryosurgical System in Small Region Utilizing Phased Change in a Microchannel Peer-reviewed

J. Okajima, A. Komiya, S. Maruyama

Proceeding of the 8th KSME-JSME Thermal and Fluid Engineering Conference　2012/03/21
Development of various cryoprobes using heat transfer control Peer-reviewed

Okajima, J., Komiya, A., Takeda, H., Maruyama, S.

Modern Cryosurgery for Cancer　211-248　2012
Publisher: Modern Cryosurgery for Cancer
DOI： 10.1142/9789814329668_0009 　
Numerical study of non-gray radiation and natural convection using the full-spectrum k-distribution method Peer-reviewed

Lari, K., Baneshi, M., Nassab, S.A.G., Komiya, A., Maruyama, S.

Numerical Heat Transfer; Part A: Applications　61　(1)　61-84　2012

DOI： 10.1080/10407782.2012.638504 　

ISSN： 1040-7782
The effects of TiO2 pigmented coatings characteristics on temperature and brightness of a coated black substrate Peer-reviewed

Baneshi, M., Maruyama, S., Komiya, A.

Solar Energy　86　(1)　200-207　2012

DOI： 10.1016/j.solener.2011.09.019 　

ISSN： 0038-092X
Uniform thermal conditions on 3-D object: Optimal power estimation of panel heaters in a 3-D radiant enclosure Peer-reviewed

Chopade, R.P., Mishra, S.C., Mahanta, P., Maruyama, S., Komiya, A.

International Journal of Thermal Sciences　51　(1)　63-76　2012

DOI： 10.1016/j.ijthermalsci.2011.08.007 　

ISSN： 1290-0729
The effect of particles size distribution on aesthetic and thermal performances of polydisperse TiO <inf>2</inf> pigmented coatings: Comparison between numerical and experimental results Peer-reviewed

Baneshi, M., Gonome, H., Komiya, A., Maruyama, S.

Journal of Quantitative Spectroscopy and Radiative Transfer　113　(8)　2012

DOI： 10.1016/j.jqsrt.2012.02.006 　
Development of phase-shifting interferometry for measurement of isothermal diffusion coefficients in binary solutions Peer-reviewed

Torres, J.F., Komiya, A., Shoji, E., Okajima, J., Maruyama, S.

Optics and Lasers in Engineering　50　(9)　1287-1296　2012

DOI： 10.1016/j.optlaseng.2012.03.006 　
Measurement of the molecular mass dependence of the mass diffusion coefficient in protein aqueous solutions Peer-reviewed

Torres, J.F., Komiya, A., Okajima, J., Shigenao, M.

Defect and Diffusion Forum　326-328　452-+　2012

DOI： 10.4028/www.scientific.net/DDF.326-328.452 　

ISSN： 1012-0386
The effect of dispersed state to control of radiative properties of coatings pigmented with nanoparticles Peer-reviewed

Gonome, H., Baneshi, M., Vaillon, R., Okajima, J., Komiya, A., Maruyama, S.

Journal of Thermal Science and Technology　7　(2)　364-378　2012

DOI： 10.1299/jtst.7.364 　

ISSN： 1880-5566
Proposal for a low CO2 emission power generation system utilizing oceanic methane hydrate Peer-reviewed

Maruyama, S., Deguchi, K., Chisaki, M., Okajima, J., Komiya, A., Shirakashi, R.

Energy　47　(1)　340-347　2012

DOI： 10.1016/j.energy.2012.09.034 　

ISSN： 0360-5442
Development of quasi common path phase-shifting interferometer for measurement of natural convection fields Peer-reviewed

Shoji, E., Komiya, A., Okajima, J., Maruyama, S.

International Journal of Heat and Mass Transfer　55　(25-26)　7460-7470　2012

DOI： 10.1016/j.ijheatmasstransfer.2012.07.039 　

ISSN： 0017-9310
Analysis of evaporative heat transfer by expansion bubble in a microchannel for high heat flux cooling Peer-reviewed

Okajima, J., Komiya, A., Maruyama, S.

Journal of Thermal Science and Technology　7　(4)　740-752　2012

DOI： 10.1299/jtst.7.740 　

ISSN： 1880-5566
Visualization and Measurement of Natural Convection around Vertical Flat Plate by Common Path Phase-Shifting Interferometer Peer-reviewed

E. Shoji, A. Komiya, J. Okajima, S. Maruyama

Proceedings of 22nd International Symposium on Transport Phenomena　2011/11
Theoretical study for high heat flux cooling by using phase change heat transfer in a microchannel Peer-reviewed

Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

Proceedings of the 4th International Conference on Heat Transfer and Fluid Flow in Microscale　HTFFM-IV-101　2011/09
Visualization of flow patterns in differently shaped cooling channels of pistons Peer-reviewed

Tatsuya Kobari, Atsuki Komiya, Shuichi Moriya, Seiji Kosaka, Yashikatsu Nakano, Shigenao

Proceedings of the 8th Pacific Symposium on Flow Visualization and Image Processing　034　2011/08/23
Formation and dissociation of oceanic methane hydrate for a low CO2 emission power generation system Peer-reviewed

Shigenao Maruyama, Koji Deguchi, Atsuki Komiya

Proceedings of ASME 2011 Power Conference POWER 2011　POWER2011-55308-+　2011/07
Evaluation of the Concentration Dependency of Mass Diffusion Coefficients in Aqueous Binary Solutions Peer-reviewed

J.F. Torres, A. Komiya, J. Okajima, S. Maruyama

Proceedings of 7th International Conference on Diffusion in Solids and Liquids　2011/06
Numerical study of a transitional natural ventilation flowdriven by a line source plume with varied Reynolds and Prandtl numbers Peer-reviewed

Hattori, T., Armfield, S.W., Kirkpatrick, M.P., Maruyama, S., Komiya, A.

Computational Thermal Sciences　3　(6)　511-519　2011

DOI： 10.1615/ComputThermalScien.2011003212 　

ISSN： 1940-2503 1940-2554
CONTROL OF RADIATIVE PROPERTIES OF COATINGS PIGMENTED WITH Fe2O3 NANOPARTICLES Peer-reviewed

Hiroki Gonome, Mehdi Baneshi, Atsuki Komiya, Shigenao Maruyama

PROCEEDINGS OF THE ASME/JSME 8TH THERMAL ENGINEERING JOINT CONFERENCE 2011, VOL 1 PTS A AND B　1967-+　2011
Visualization of Flow Pattern in Piston Cooling Channel Peer-reviewed

Atsuki Komiya, Shuichi Moriya, Tatsuya Kobari, Seiji Kosaka, Yoshikatsu Nakano, Shigenao Maruyama

Transactions of Society of Automotive Engineers of Japan　42　(1)　149-154　2011/01
Publisher:
ISSN： 0287-8321
Evidences of increasing primary production in the ocean by Stommel's perpetual salt fountain Peer-reviewed

Maruyama, S., Yabuki, T., Sato, T., Tsubaki, K., Komiya, A., Watanabe, M., Kawamura, H., Tsukamoto, K.

Deep-Sea Research Part I: Oceanographic Research Papers　58　(5)　567-574　2011

DOI： 10.1016/j.dsr.2011.02.012 　

ISSN： 0967-0637
Comparison between aesthetic and thermal performances of copper oxide and titanium dioxide nano-particulate coatings Peer-reviewed

Baneshi, M., Maruyama, S., Komiya, A.

Journal of Quantitative Spectroscopy and Radiative Transfer　112　(7)　1197-1204　2011

DOI： 10.1016/j.jqsrt.2010.08.032 　

ISSN： 0022-4073

eISSN： 1879-1352
Thermal therapy and evaluation by a precise temperature control device Peer-reviewed

Maruyama, S., Takashima, S., Okajima, J., Komiya, A., Seki, T., Yambe, T.

Heat Transfer - Asian Research　40　(2)　114-124　2011

DOI： 10.1002/htj.20334 　

ISSN： 1099-2871 1523-1496
Combined heat transfer of radiation and natural convection in a square cavity containing participating gases Peer-reviewed

Lari, K., Baneshi, M., Gandjalikhan Nassab, S.A., Komiya, A., Maruyama, S.

International Journal of Heat and Mass Transfer　54　(23-24)　5087-5099　2011

DOI： 10.1016/j.ijheatmasstransfer.2011.07.026 　

ISSN： 0017-9310
Effect of Eddy Diffusivity on the Upwelling Flow Rate of Perpetual Salt Fountain Peer-reviewed

Atsuki Komiya, Mikihito Watanabe, Takashi Yabuki, Shigenao Maruyama

Proceedings of the 21st International Symposium on Transport Phenomena　CDROM 146　2010/11/02
Radiative Properties of Wavelength Selection Coatings Pigmented with TiO2 Nanoparticles Peer-reviewed

Hiroki Gonome, Mehdi Baneshi, Atsuki Komiya, Shigenao Maruyama

Japan Journal of Thermophysical Properties　24　(4)　177-182　2010/11
Publisher: JAPAN SOCIETY OF THERMOPHYSICAL PROPERTIES
DOI： 10.2963/jjtp.24.177 　

ISSN： 0913-946X

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This study concerns about nanoparticles pigmented coatings used in controlling the radiative properties of surfaces exposed to sunlight. The desired coatings increase the near infrared reflectance while decreasing the reflectance of visible light. Both experimental and numerical approaches are followed in achieving desired spectral behavior. For this study the pigmented coatings are made using TiO₂ as dispersed particles, clear acryl synthetic as matrix, and standard black paper as substrate. The spectral reflectance is measured by spectroscopy in visible and near infrared regions. The effects of the size distribution and volume fraction of pigment particles and coating thickness on spectral reflectance of pigmented coatings are analyzed in this study.
Measurement of the Concentration Dependency of Mass Diffusion Coefficients in Aqueous Binary Solutions by Phase-Shifting Interferometer Peer-reviewed

Atsuki Komiya, Juan Felipe Torres Alvarez, Junnosuke Okajima, Shigenao Maruyama

Proceedings of the Ninth Asian Thermophysical Properties Conference　CDROM ATPC9-109254　2010/10/19
AESTHETIC AND THERMAL PERFORMANCES OF BLACK CUPRIC OXIDE AND TITANIUM DIOXIDE NANO-PARTICULATE COATINGS Peer-reviewed

Mehdi Baneshi, Shigenao Maruyama, Atsuki Komiya

VI. PROCEEDINGS OF THE 6TH INTERNATIONAL SYMPOSIUM ON RADIATIVE TRANSFER (RADIATIVE TRANSFER)　2010/08
AN INVESTIGATION OF CONCENTRATION DEPENDENCY OF MASS DIFFUSION COEFFICIENTS IN MULTI-COMPONENT DIFFUSION Peer-reviewed

Atsuki Komiya, Juan F. Torres, Junnosuke Okajima, Shuichi Moriya, Shigenao Maruyama, Masud Behnia

PROCEEDINGS OF THE ASME INTERNATIONAL HEAT TRANSFER CONFERENCE - 2010, VOL 2　555-560　2010/08

DOI： 10.1115/IHTC14-22501 　
COOLING CHARACTERISTICS OF ULTRAFINE CRYOPROBE UTILIZING CONVECTIVE BOILING HEAT TRANSFER IN MICROCHANNEL Peer-reviewed

Junnosuke Okajima, Shigenao Maruyama, Hiroki Takeda, Atsuki Komiya, Sangkwon Jeong

PROCEEDINGS OF THE ASME INTERNATIONAL HEAT TRANSFER CONFERENCE - 2010, VOL 1　297-306　2010/08

DOI： 10.1115/IHTC14-22550 　
NUMERICAL STUDY OF 3D NONLINEAR DISTURBANCE GROWTH IN TRANSITIONAL NATURAL CONVECTION Peer-reviewed

Tilek Aberra, Steven W. Armfield, Masud Behnia, Shigenao Maruyama, Atsuki Komiya

PROCEEDINGS OF THE ASME INTERNATIONAL HEAT TRANSFER CONFERENCE - 2010, VOL 7　173-181　2010/08

DOI： 10.1115/IHTC14-23300 　
Infrared radiative properties of thin polyethylene coating pigmented with titanium dioxide particles Peer-reviewed

Baneshi, M., Maruyama, S., Komiya, A.

Journal of Heat Transfer　132　(2)　2010/02

DOI： 10.1115/1.4000235 　

ISSN： 0022-1481
Evaluation of the Influence of Universal Buffer Solution on Diffusion Phenomena of Proteins Peer-reviewed

Atsuki Komiya, Shigenao Maruyama, Shuichi Moriya

Japan Journal of Thermophysical Properties　24　(1)　15-20　2010/02

DOI： 10.2963/jjtp.24.15 　
Measurement of mass diffusion coefficient of multi-component system in aqueous media by phase shifting interferometer Peer-reviewed

Komiya, A., Torres, J.F., Maruyama, S.

Defect and Diffusion Forum　297-301　624-+　2010

DOI： 10.4028/www.scientific.net/DDF.297-301.624 　

ISSN： 1012-0386
Brain Mapping Method Utilizing Rapid Cooling Probe Peer-reviewed

H. Takeda, S. Maruyama, T. Yambe, N. Nakasato, A. Komiya

International Journal of Transport Phenomena　11　147-163　2009/11
Experimental Trial to Determine Mass Diffusion Coefficients in Multi-component System Peer-reviewed

A. Komiya, J. F. Torres, J. Okajima, S. Maruyama

The Proceedings of the 7th Pacific Symposium on Flow Visualization and Image Processing　CD-ROM166　2009/11
A PROPOSAL OF LOW CO2 EMISSION POWER GENERATION SYSTEM UTILIZING OCEANIC METHANE HYDRATE Peer-reviewed

Shigenao Maruyama, Masazumi Chisaki, Atsuki Komiya, Ryo Shirakashi

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON POWER ENGINEERING 2009 (ICOPE-09), VOL 2　343-348　2009/11
Precise and Rapid Cooling of Skin Tissue for Cryosurgery Utilizing Peltier Effect in Extremely Low Temperature Peer-reviewed

H. Takeda, J. Okajima, S. Aiba, A. Komiya, S. C. Mishra, S. Maruyama

Proceedings of the 7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics　CD-ROM BS-5　19　2009/06/28
Boiling Heat Transfer in Small Channel for Development of Ultrafine Cryoprobe Peer-reviewed

J. Okajima, S. Maruyama, A. Komiya

Proceedings of the 7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics　CD-ROM BS-7　(6)　20-1018　2009/06/28

DOI： 10.1016/j.ijheatfluidflow.2010.08.008 　

ISSN： 0142-727X
Development and estimation of a novel cryoprobe utilizing the Peltier effect for precise and safe cryosurgery Peer-reviewed

Takeda, H., Maruyama, S., Okajima, J., Aiba, S., Komiya, A.

Cryobiology　59　(3)　275-284　2009

DOI： 10.1016/j.cryobiol.2009.08.004 　

ISSN： 0011-2240
Nutrient transport from an artificial upwelling of deep sea water Peer-reviewed

Williamson, N., Komiya, A., Maruyama, S., Behnia, M., Armfield, S.W.

Journal of Oceanography　65　(3)　349-359　2009

DOI： 10.1007/s10872-009-0032-x 　

ISSN： 0916-8370
A new approach to optimizing pigmented coatings considering both thermal and aesthetic effects Peer-reviewed

Baneshi, M., Maruyama, S., Nakai, H., Komiya, A.

Journal of Quantitative Spectroscopy and Radiative Transfer　110　(3)　192-204　2009

DOI： 10.1016/j.jqsrt.2008.10.005 　

ISSN： 0022-4073

eISSN： 1879-1352
The effects of using some common white pigments on thermal and aesthetic performances of pigmented coatings Peer-reviewed

Baneshi, M., Maruyama, S., Komiya, A.

Journal of Thermal Science and Technology　4　(1)　131-145　2009

DOI： 10.1299/jtst.4.131 　

ISSN： 1880-5566
Thermal therapy and evaluation by precise temperature control device Peer-reviewed

Maruyama, S., Takashima, S., Komiya, A., Seki, T., Yambe, T.

Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B　75　(758)　2055-2059　2009
Publisher: Japan Society of Mechanical Engineers
DOI： 10.1299/kikaib.75.758_2055 　

ISSN： 0387-5016
Dimensionless solutions and general characteristics of bioheat transfer during thermal therapy Peer-reviewed

Okajima, J., Maruyama, S., Takeda, H., Komiya, A.

Journal of Thermal Biology　34　(8)　377-384　2009

DOI： 10.1016/j.jtherbio.2009.08.001 　

ISSN： 0306-4565
Heat-Transfer Control of Biological Tissue Utilizing Non-Equilibrium Thermo-Electric Device for Precise Cryosurgery Peer-reviewed

S. Maruyama, H. Takeda, S. Aiba, Y. Sasaki, A. Komiya

Low Temperature Medicine　34　(4)　94-99　2008/12
The Effect of Particle Size Distribution on Performance of a Pigmented Coating Considering both Thermal and Aesthetic Effects Peer-reviewed

M. Baneshi, S. Maruyama, A. Komiya

Proceedings of the Seventh JSME-KSME Thermal and Fluids Engineering Conference　2008/10/15
A Comparison for Diffusion Process of Artificial Upwelling of Nutrient-rich Seawater Simulation by k-e Model and Large Eddy Simulation Peer-reviewed

M. Chisaki, S. Maruyama, M. Perrette, A. Komiya, T. Yabuki

Proceedings of the Second International Forum on Heat Transfer　20　2008/09/18
Development of Precise Heat Transfer Control Devices for Thermal Therapy Peer-reviewed

S. Takashima, N. Ogasawara, S. Maruyama, A. Komiya, T. Seki, T. Yambe

Proceedings of the Second International Forum on Heat Transfe　86　2008/09/18
Precise Control of Cooling and Heating Rate Utilizing Peltier Cryoprobe for Cryosurgery Peer-reviewed

H. Takeda, S. Maruyama, J. Okajima, S. Aiba, A. Komiya

Proceedings of the 19th International Symposium on Transport Phenomena　2008/08
Visualization of Upwelled Saline Flow and Its Transition Behaviour from Steady to Oscillatory Regimes Peer-reviewed

Atsuki Komiya, Nicholas Williamson, Nari Srinarayana, Masud Behnia, Steven Armfield, Shigenao Maruyam

Proceedings of the 19th International Symposium on Transport Phenomena　2008/08
Visualization of Transient Concentration Field in Process of Carbon Dioxide Absorption at Gas-liquid Surface Peer-reviewed

A. Komiya, K. Maruta, Y. Nakano, T. Hashida

Proceedings of International Symposium on Flow Visualization　CD-ROM　2008/07
Design of plate-type actuator using SMA wire for assistant artificial heart muscle Peer-reviewed

Ryuta Ibuki, Shigenao Maruyama, Atsuki Komiya, Tomoyuki Yambe

JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES　19　(3)　359-365　2008/03

DOI： 10.1177/1045389X07084719 　

ISSN： 1045-389X
Evaluation method for radiative heat transfer in polydisperse water droplets Peer-reviewed

Maruyama, S., Nakai, H., Sakurai, A., Komiya, A.

Journal of Quantitative Spectroscopy and Radiative Transfer　109　(1)　1-15　2008

DOI： 10.1016/j.jqsrt.2007.05.006 　

ISSN： 0022-4073

eISSN： 1879-1352
Estimation of temperature distribution in biological tissue by using solutions of bioheat transfer equation Peer-reviewed

Maruyama, S., Okajima, J., Komiya, A., Takeda, H.

Heat Transfer - Asian Research　37　(6)　374-386　2008

DOI： 10.1002/htj.20210 　

ISSN： 1099-2871 1523-1496
The Flexible Cryoprobe Using Peltier Effect for Heat Transfer Control Peer-reviewed

Maruyama, S., Nakagawa, K., Takeda, H., Aiba, S., Komiya, A.

Journal of Biomechanical Science and Engineering　3　(2)　138-150　2008

DOI： 10.1299/jbse.3.138 　

ISSN： 1880-9863
Development of precise-temperature-controlled cooling apparatus for medical application by using Peltier effect Peer-reviewed

Shigenao Maruyama, Atsuki Komiya, Hiroki Takeda, Setsuya Aiba

Proceedings of the International Conference on Biomedical Engineering and Informatics, Vol.2　610-+　2008

DOI： 10.1109/BMEI.2008.239 　

ISSN： 1948-2914
Three-dimensional phonon transport simulation for nano/microstructured materials Peer-reviewed

Sakurai, A., Maruyama, S., Komiya, A., Miyazaki, K.

International Journal of Nanoscience　7　(2-3)　103-112　2008
Design of plate-type actuator using SMA wire for assistant artificial heart muscle Peer-reviewed

Ibuki, R., Maruyama, S., Komiya, A., Yambe, T.

Journal of Intelligent Material Systems and Structures　19　(3)　359-365　2008

DOI： 10.1177/1045389X07084719 　

ISSN： 1045-389X
Numerical Simulation of Upwelling Flow in Pipe Generated by Perpetual Salt Fountain Peer-reviewed

Tetsuya Sato, Shigenao Maruyama, Atsuki Komiya, Koutaro Tsubaki

Proceedings of the 16th Australasian Fluid Mechanics Conference　394-397　2007/12
Spatial-high-resolution Measurement of Diffusion Field for Evaluation of Concentration Dependency of Diffusion Coefficient Peer-reviewed

A. Komiya, S. Maruyama, S. Moriya

Proceedings of The 8th Asian Thermophysial Properties Conference　CD-ROM 095　2007/08/21
Phonon Transport Simulation for Nano/micro Scale Heat Conduction Peer-reviewed

A. Sakurai, S. Maruyama, K. Miyazaki, A. Komiya

Proceedings of The 8th Asian Thermophysical Properties Conference　CD-ROM 100　2007/08
Three-Dimensional Nongray Radiative Heat Transfer In Conjunction With Turbulent Natural Convection Using Dorem And LES Peer-reviewed

A. Sakurai, S. Maruyama, M. Behnia, A. Komiya, T. Kawabe

Proceedings of the Fifth International Symposium on Radiative Transfer　CD-ROM 48　2007/06
Discrete ordinates radiation element method for radiative heat transfer in three-dimensional participating media Peer-reviewed

Maruyama, S., Sakurai, A., Komiya, A.

Numerical Heat Transfer, Part B: Fundamentals　51　(2)　121-140　2007

DOI： 10.1080/10407790600878726 　

ISSN： 1040-7790 1521-0626
Continuous measurement of an artificial upwelling of deep sea water induced by the perpetual salt fountain Peer-reviewed

Tsubaki, K., Maruyama, S., Komiya, A., Mitsugashira, H.

Deep-Sea Research Part I: Oceanographic Research Papers　54　(1)　75-84　2007

DOI： 10.1016/j.dsr.2006.10.002 　

ISSN： 0967-0637
Computer simulation for postmortem cooling processes in the outer ear Peer-reviewed

Kanawaku, Y., Kanetake, J., Komiya, A., Maruyama, S., Funayama, M.

Legal Medicine　9　(2)　55-62　2007

DOI： 10.1016/j.legalmed.2006.09.006 　

ISSN： 1344-6223
Effects of rounding errors on postmortem temperature measurements caused by thermometer resolution Peer-reviewed

Kanawaku, Y., Kanetake, J., Komiya, A., Maruyama, S., Funayama, M.

International Journal of Legal Medicine　121　(4)　267-273　2007

DOI： 10.1007/s00414-006-0088-8 　

ISSN： 0937-9827
Development of precise visualization system for small transient diffusion field of protein using phase shifting interferometer Peer-reviewed

Atsuki Komiya, Shigenao Maruyama, Shuichi Moriya

Proceedings of the ASME/JSME Thermal Engineering Summer Heat Transfer Conference 2007, Vol.3　CD-ROM 32617　393-399　2007

DOI： 10.1115/HT2007-32617 　
Precise control of frozen region during cryosurgery utilizing peltier effect Peer-reviewed

Hiroki Takeda, Shigenao Maruyama, Setsuya Aiba, Atsuki Komiya

Proceedings of the ASME/JSME Thermal Engineering Summer Heat Transfer Conference 2007, Vol.3　CD-ROM 32651　51-57　2007

DOI： 10.1115/HT2007-32651 　
Estimation of temperature distribution in biological tissue by using solutions of bioheat transfer equation Peer-reviewed

Maruyama, S., Okajima, J., Komiya, A., Takeda, H.

Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B　73　(9)　1899-1905　2007

DOI： 10.1299/kikaib.73.1899 　
Analytical Study of Temperature Distribution in Biological Tissue Peer-reviewed

J. Okajima, S. Maruyama, A. Komiya

Proceedings of the 15th International Conference on Mechanics in Medicine and Biology　403-406　2006/12
Brain Mapping Method Utilizing Rapid Cooling Probe Peer-reviewed

S. Maruyama, H. Takeda, A. Komiya, T. Yambe, N. Nakasato

Proceedings of the 17th International Symposium on Transport Phenomena　CDROM-1DI4　2006/09
Conjugate Simulation of Nongray Radiative Heat Transfer and Natural Convection in a Participating Media Using DOREM, REM2, and LES Peer-reviewed

A. Sakurai, S. Maruyama, M. Behnia, A. Komiya, S. Sakai

Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer 5　539-542　2006/09
Measurement of Mass Diffusion Coefficient of Micro Quantity Proteins Using Phase Shifting Interferometer Peer-reviewed

A. Komiya, S. Maruyama, S. Moriya

Proceedings of the 13th International Heat Transfer Conference　CDROM-MSTT-10　2006/08
Natural Convection and Radiative Heat Transfer of an Enclosure Containing a Participating Medium Using REM2 and LES Peer-reviewed

A. Sakurai, M. Behnia, S. Maruyama, A. Komiya, S. Sakai

Proceedings of the Eurotherm78 – Computational Thermal Radiation in Participating Media II　399-409　2006/04
Flat-plate solar collector performance with coated and uncoated glass cover Peer-reviewed

Khoukhi, M., Maruyama, S., Komiya, A., Behnia, M.

Heat Transfer Engineering　27　(1)　46-53　2006

DOI： 10.1080/01457630500343009 　

ISSN： 0145-7632
In-situ measurement of small diffusion fields using a phase-shifting interferometer Peer-reviewed

Maruyama, S., Komiya, A.

Journal of Flow Visualization and Image Processing　13　(3)　243-263　2006

DOI： 10.1615/JFlowVisImageProc.v13.i3.30 　

ISSN： 1065-3090
Precise and short-time measurement method of mass diffusion coefficients Peer-reviewed

Komiya, A., Maruyama, S.

Experimental Thermal and Fluid Science　30　(6)　535-543　2006

DOI： 10.1016/j.expthermflusci.2005.11.001 　

ISSN： 0894-1777
Development of an Optical Visualization System for Small Transient Diffusion Fields Peer-reviewed

A. Komiya, S. Maruyama

The Proceedings of 5th Pacific Symposium on Flow Visualization and Image Processing　CDROM225　2005/09/26
In-Situ Measurement of Small Diffusion Field Using Phase- Shifting Interferometer Peer-reviewed

S. Maruyama, A. Komiya

The Proceedings of 5th Pacific Symposium on Flow Visualization and Image Processing　CDROM106　2005/09/26
Modelling of transition mechanisms from steady to oscillatory marangoni flows in a liquid bridge configuration Peer-reviewed

Yoda, S., Matsumoto, S., Komiya, A.

Microgravity Science and Technology　15　(1)　269-273　2005

ISSN： 0938-0108
A New Simple Approach for Calculating The Optical Constants of A Clear Glass Window From 0.19 to 5μm Peer-reviewed

M. Khoukhi, S. Maruyama, S. Bosi, A. Komiya, M. Behnia

Official Proceedings of The 29th Annual National Conference of the Solar Energy Society of Canada Inc.　2004/08
Modeling of Transition Mechanism to Oscillatory Marangoni Flow in a Liquid Bridge

A. Komiya, S. Matsumoto, S. Yoda

Proceedings of the 42nd AIAA Aerospace Sciences Meeting & Exhibit　CD-ROM　2004/01
Description of the adhesive crystal growth under normal and micro-gravity conditions employing experimental and numerical approaches Peer-reviewed

Maruyama, S., Ohno, K., Komiya, A., Sakai, S.

Journal of Crystal Growth　245　(3-4)　278-288　2002

DOI： 10.1016/S0022-0248(02)01574-9 　

ISSN： 0022-0248
Development of the Method for Short-time Measurement of Mass Diffusion Coefficients Peer-reviewed

A. Komiya, S. Maruyama

Japan Journal of Thermophysical Properties　15　(4)　244-249　2001/10
Publisher: JAPAN SOCIETY OF THERMOPHYSICAL PROPERTIES
DOI： 10.2963/jjtp.15.244 　

ISSN： 0913-946X

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A novel method for short-time measurement of mass diffusion coefficient in liquid solutions using counter-flow type diffusion cell has been developed. This cell is specially designed to make a step-shaped distribution of concentration as an initial condition. The diffusion coefficients can be estimated from the transient experimental data obtained by real-time phase-shifting interferometer. The new method, called the counter flow method, could measure the diffusion coefficients of water solutions of sodium chloride, sodium chlorate and L-Alanine at wide range of concentrations. By using the method, the diffusion coefficients can be estimated within 20 seconds. The present data are compared to those measured with the conventional methods, and are in good agreement within the maximum error of ±8.29%.
Influence of Gravity upon Transient Diffusion Fields of Aqueous Solutions

A. Komiya, S. Maruyama, S. Sakai, K.Tsukamoto

Proceedings of the 2nd Pan-Pacific Basin Workshop on Microgravity Sciences　CD-ROM　2001/05
Measurement of transient double diffusive convection and crystal growth using real-time phase-shifting interferometer Peer-reviewed

Maruyama, S., Takahashi, K., Komiya, A., Behnia, M.

JSME International Journal, Series B: Fluids and Thermal Engineering　44　(4)　561-567　2001

DOI： 10.1299/jsmeb.44.561 　

ISSN： 1340-8054
Measurement of Transient Double Diffusive Convection and Crystal Growth Using Real-Time Phase-Shifting Interferometer Peer-reviewed

S. Maruyama, K. Takahashi, A. Komiya, M. Behnia

Proceedings of the Symposium on Energy Engineering in the 21st Century (SEE 2000)　2　873-880　2000/01
Accurate Measurement of Mass Diffusion Field and Diffusion Coefficient Using Real-time Phase-shift Interferometer Peer-reviewed

S. Maruyama, A. Komiya, T. Shimoyama

Proceedings of the 2nd Pacific Symposium on Flow Visualization and Image Processing　CD-ROM　1999/05
Rapid yet accurate measurement of mass diffusion coefficients by phase shifting interferometer Peer-reviewed

Guo, Z., Maruyama, S., Komiya, A.

Journal of Physics D: Applied Physics　32　(9)　995-999　1999

DOI： 10.1088/0022-3727/32/9/309 　

ISSN： 0022-3727
Measurement of Diffusion Field and Crystal Growth Rate from Solution in Microgravity and Normal Gravity Peer-reviewed

S. Maruyama, J. Yabana, N. Sumi, A. Komiya, K. Tsukamoto, K Shimizu

Proceedings of the Joint 1st Pan-Pacific Basin Workshop and 4th Japan-China Workshop on Microgravity Sciences　15　(2)　571-576　1998/07

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Misc. 104

Development of Light-driven Micro/Nano Fluidic Devices

山田昇, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学国際研究教育拠点活動報告書　2019 (CD-ROM)　2021
ふく射要素法を用いたレーザー温熱治療に関する研究

櫻井篤, 圓山重直, 中村勇友, 谷口壮馬, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学国際研究教育拠点活動報告書　2017　2019
光駆動型マイクロ・ナノ流体デバイスの開発

山田昇, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学国際研究教育拠点活動報告書　2017　2019
Numerical Evaluation of Boiling Heat Transfer Performance in Isothermal Microchannels Peer-reviewed

J. Okajima, A. Komiya

Proceedings of the 11th Australasian Heat and Mass Transfer Conference　11AHMTC18-22　2018/07
Overview of “Dynamic Surf” project in Kibo – Dynamic behavior of large-scale thermocapillary liquid bridges in microgravity Peer-reviewed

Taishi Yano, Koichi Nishino, Satoshi Matsumoto, Ichiro Ueno, Atsuki Komiya, Yasuhiro Kamotani, Nobuyuki Imaishi

International Journal of Microgravity Science and Application　35　(1)　350102　2018
ふく射要素法を用いたレーザー温熱治療に関する研究

櫻井篤, 圓山重直, 中村勇友, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2015　2017
ふく射要素法を用いたレーザー温熱治療に関する研究

櫻井篤, 圓山重直, 中村勇友, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学国際研究教育拠点活動報告書　2016　2017
大規模環境でのふく射および対流によるエネルギー輸送に関する研究

山田昇, 圓山重直, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2015　2017
大規模環境でのふく射および対流によるエネルギー輸送に関する研究

山田昇, 圓山重直, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学国際研究教育拠点活動報告書　2016　2017
常温大気中におけるふく射場が乱流自然対流伝熱特性に及ぼす影響

古川琢磨, 櫻井篤, 岡島淳之介, 小宮敦樹, 円山重直

日本伝熱シンポジウム講演論文集(CD-ROM)　53rd　2016

ISSN： 1346-1532
連載講座「高度物理刺激と生体応答（１）」第１章高度物理刺激の生成法と計測・予測

佐藤岳彦, 金澤誠司, 浜口智志, 小宮敦樹

機械の研究　67　(8)　673-683　2015/08
Publisher: 株式会社養賢堂
ISSN： 0368-5713
大気環境におけるふく射エネルギー評価とその解析

圓山重直, 小宮敦樹, 岡島淳之介, 山田昇

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2014　2015
Experimental and Numerical Investigations of Local Heating of Biological Tissue for Laser Therapy

T. Sugiura, T. Okabe, J. Okajima, A. Komiya, Y. Nakamura, A. Sakurai, V. Timochenko, T. Kodama, S. Maruyama

Proceedings of the 15th International Symposium on Advanced Fluid Information　64-65　2015
D221 Variation of bioheat transfer characteristics in abdominal area by heating at constant temperature

Okajima Junnosuke, Okabe Takahiro, Komiya Atsuki, Seki Takashi, Maruyama Shigenao

Procee[d]ings of Thermal Engineering Conference　2014　"D221-1"-"D221-2"　2014/11/08
Publisher: The Japan Society of Mechanical Engineers

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To evaluate the effects of thermal therapy quantitatively, the variation of blood perfusion rate during prolonged heating was estimated by measuring heat flux. The abdominal heating controller was used as a heating device. A heat flux sensor was installed between the heating disk of the abdominal heating controller and abdominal area. When the surface temperature was around 43℃, the obvious and gradual increment of heat flux was observed. By assuming quasi-steady state, the time variation of blood perfusion rate was estimated by an analytical solution of bioheat transfer equation. The experiment was conducted to four subjects and the amplification of blood perfusion rate were confirmed.
1305 Highly temporal analysis of underwater streamers with a streak camera

FUJITA Hidemasa, KANAZAWA Seiji, OHTANI Kiyonobu, KOMIYA Atsuki, KANEKO Toshiro, SATO Takehiko

Fluids engineering conference ...　2014　"1305-1"-"1305-2"　2014/10/25
Publisher: The Japan Society of Mechanical Engineers
ISSN： 1348-0251

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The highly temporal streak imaging of an underwater discharge revealed that the primary streamer propagation was intermittent though the propagation had been considered continuous from our previous study. In addition, the intermittent luminescence pattern was synchronized with the pattern of discharge pulsed currents. The primary streamer in ultrapure water was generated by the application of a single-shot pulsed positive high voltage with a duration of 10 μs to a needle-wire electrode system with the tip radius of 40 μm and with the gap distance of 6 mm.
22am2-F2 2-D Visualization Measurement of Precursor Film in front of Moving Droplet by Optical Method

NAKAMURA Shingo, KOMIYA Atsuki, OKAJIMA Junnnosuke, MARUYAMA Shigenao

2014　(6)　"22am2-F2-1"-"22am2-F2-2"　2014/10/20
Publisher: The Japan Society of Mechanical Engineers

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In this study, we have carried out an experimental investigation with regard to the dynamics of the fluid in the vicinity of the boundary line of three phases; solid-liquid-gas interface, which is so-called "contact line", and dynamic behavior of the liquid thin film in front of the moving contact line. This liquid thin film has been known as the precursor film. To visualize the dynamic behavior of the precursor film, we have introduced the novel optical method for real-time and two-dimensional thickness distribution measurement based on conventional ellipsometry and phase-shifting technique. By using this method, the precursor film was visualized, and the length and thickness of the precursor film was measured quantitatively.
Report on the International Scientific Committee: IDL & Program Invited

Atsuki Komiya

Journal of the Heat Transfer Society of Japan　53　(225)　16-18　2014/10
Publisher: 日本伝熱学会
ISSN： 1344-8692
222 Numerical Analysis of Bubble Growth on Phase Change Heat Transfer in a Microchannel

2014　(50)　41-42　2014/09/05
Publisher: The Japan Society of Mechanical Engineers
大気環境におけるふく射エネルギー評価とその解析

圓山重直, 小宮敦樹, 岡島淳之介, 山田昇

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2013　2014
G061052 Greenhouse Thermal Performance Using Different Cladding Materials: A Theoretical and Experimental Study

Al-Mahdouri A, Gonome H, Okajima J, Komiya A, Maruyama S

Mechanical Engineering Congress, Japan　2013　"G061052-1"-"G061052-5"　2013/09/08
Publisher: The Japan Society of Mechanical Engineers

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In the present study, a theoretical non-gray rigorous model was established to study the radiative heat transfer through greenhouse covering materials by using Radiative Element Method by Ray Emission Model (REM2). This model was applied to find the difference in thermal performances between silica glass, polyvinylchloride (PVC) and low density polyethylene (LDPE) covering materials. Using the advantage of the previously predicted spectral radiative properties of these materials, accurate estimations of greenhouse temperatures were achieved. In addition, an outdoor experiment was conducted to measure the thermal performances of three rectangular enclosures covered by the mentioned claddings. Enclosures inside, floor and cover temperatures calculated using the rigorous model showed a satisfactory correlation with the experimental measurements
Report on the 50^th National Heat Transfer Symposium of Japan

MARUYAMA Shigenao, KOMIYA Atsuki, OZAWA Mamoru, TABE Yutaka

52　(220)　11-14　2013/07/01
Publisher: 日本伝熱学会
ISSN： 1344-8692
143 Process of Primary Streamer Propagation in Water

FUJITA Hidemasa, KANAZAWA Seiji, OHTANI Kiyonobu, Komiya Atsuki, SATO Takehiko

2013　(48)　88-89　2013/03/15
Publisher: The Japan Society of Mechanical Engineers
114 The Study of Installing Method of Upwelling Pipe For Cultivation of Okinotori-shima

Kogawa Takuma, Yabuki Takashi, Moriya Shuichi, Okajima Junnosuke, Komiya Atsuki, Ichikawa Masakazu, Siobara Yasushi, Takehara Yoichiro, Ishikawa Yoichi, Maruyama Shigenao

2013　(48)　32-33　2013/03/15
Publisher: The Japan Society of Mechanical Engineers
ふく射要素法を用いた生体内光伝播と伝熱現象に関する研究

圓山重直, 櫻井篤, 小宮敦樹, 岡島淳之介

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2012　2013
大気環境におけるふく射エネルギー評価とその解析

圓山重直, 小宮敦樹, 岡島淳之介, 山田昇

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2012　2013
A diary in INSA de Lyon

KOMIYA Atsuki

52　(218)　44-46　2013/01/01
Publisher: 日本伝熱学会
ISSN： 1344-8692
Instability of Natural Convective Flows inside Tilted Cubic Cavities

J.F. Torres, D. Henry, A. Komiya, S. Maruyama

Abstract Book of 2013 Anuual ELyT Workshop　Poster-F2　2013
Reducing Thermal Radiation Heat Transfer with Interferences

Y. Tsurimaki, P.-O. Chapuis, R. Vaillon, T. Kobari, J. Okajima, A. Komiya, S. Maruyama

Proceedings of the 7th International Symposium on Radiative Transfer, RAD-13　RAD-13-P17　2013
In-situ Measurement of Local Thermal Diffusivity of Various Beefs by Inverse Analysis

T. Okabe, J. Okajima, A. Komiya, I. Takahashi, S. Maruyama

ATPC2013 technical digest　318　2013
Theoretical Method for Designing Ultraviolet Shield Coatings

H. Gonome, J. Okajima, A. Komiya, S. Maruyama

ATPC2013 technical digest　98　2013
Development of Thermal Barrier Coating for Black Automobiles

H. Gonome, M. Baneshi, J. Okajima, A. Komiya, S. Maruyama

Proceedings of Tenth International Conference on Flow Dynamics　308-309　2013
Variability of Thermal Conductivity Measurement for High-Density Glass Wool by Using Guarded Hot Plate Apparatus Utilizing Peltier

T. Kobari, J. Okajima, A. Komiya, S. Maruyama

Proceedings of Tenth International Conference on Flow Dynamics　688-689　2013
An Experimental Comparison between Thermal Diffusivity and Blood Perfusion Rate of Living and Dead Tissue by Inverse Analysis

T. Okabe, J. Okajima, Y. Luo, F. Wang, A. Komiya, S. Maruyama

Proceedings of Tenth International Conference on Flow Dynamics　464-465　2013
Effect of Beam Deflection on Measurement of Boundary LayersUsing Phase-shifting Interferometer

E. Shoji, R. Nakaoku, A. Komiya, J. Okajima, S. Maruyama

Proceedings of Tenth International Conference on Flow Dynamics　660-661　2013
Numerical Study of Natural Convection in a Tilted Cubical Cavity: Effects of the Prandtl number on the Stability of the Flow

J.F. Torres, D. Henry, A. Komiya, J. Okajima, S. Maruyama

Proceedings of the Thirteenth International Symposium on Advanced Fluid Information　36-37　2013
Streamer Propagation Process of Plasma in Water

FUJITA Hidemasa, SATO Takehiko, KANAZAWA Seiji, OHTANI Kiyonobu, KOMIYA Atsuki

2012　(107)　21-24　2012/12/10
J024043 Estimation of blood perfusion rate in biological tissue under heating condition by heat flux measurement

OKAJIMA Junnosuke, TAKASHIMA Shigeru, OKABE Takahiro, KOMIYA Atsuki, MARUYAMA Shigenao

Mechanical Engineering Congress, Japan　2012　"J024043-1"-"J024043-5"　2012/09/09
Publisher: The Japan Society of Mechanical Engineers

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In order to improve various thermal therapies quantitatively, blood perfusion rate in living tissue was estimated by measuring heat flux, and its temperature dependency was evaluated. The abdominal heating controller was used for heating. A heat flux sensor was installed between the heating disk of the abdominal heating controller and abdominal area. The time variation of heat flux and surface temperature were recorded by data logger. By measuring four subjects, the positive correlation between the heat flux and surface temperature was confirmed. The analytical relationship the among heat flux, surface temperature and blood perfusion rate were derived by using analytical solution of 1 -D bioheat transfer equation. According to this relationship, blood perfusion rate of each subject was estimated. As well as the heat flux, blood perfusion rate had positive correlation to surface temperature, namely temperature dependency of blood perfusion rate.
S055012 Visualization of a streamer propagation process in water

SATO Takehiko, FUJITA Hidemasa, KANAZAWA Seiji, OHTANI Kiyonobu, KOMIYA Atsuki

Mechanical Engineering Congress, Japan　2012　"S055012-1"-"S055012-2"　2012/09/09
Publisher: The Japan Society of Mechanical Engineers

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A series of photographs for a streamer propagation process in water was successfully observed using a nano-pulse discharge system, an ultra high speed camera system with a microscope lens and a phase shift type Mach-Zehnder interferometer. After the initiation process of 600 ns - 800 ns from the applying voltage of 16 kV_<0p> - 17.5 kV_<0p>, a primary streamer occurred. It accompanied with a shock wave and the period of the propagation was several hundred ns. The propagation velocity of the primary streamer was around 1.5 km/s.
309 Processes of Streamer Propagation in Water

Fujita Hidemasa, Kanazawa Seiji, Otani Kiyonobu, Komiya Atsuki, Sato Takehiko

Symposium on Environmental Engineering　2012　(22)　209-210　2012/07/03
Publisher: The Japan Society of Mechanical Engineers

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A continuous photograph of a streamer propagation process in water was successfully observed using a nano-pulse discharge system, an ultra high speed camera system with a microscope lens and a phase shift type Mach-Zehnder interferometer. After the initiation process of 600 ns - 800 ns from the applying voltage of 16 kV0p-17.5 kV0p, a primary streamer was occurred. It accompanied with a shock wave and the period of the propagation was several hundred ns. The propagation velocity of the primary streamer was around 1.5 km/s.
233 Fundamental Study on Temperature Dependence of Radiative Thermal Conductivity of Porous Insulation Materials

KOBARI Tatsuya, OKAJIMA Junnosuke, KOMIYA Atsuki, MARUYAMA Shigenao

2012　(47)　272-273　2012/03/13
Publisher: The Japan Society of Mechanical Engineers
238 Accurate Measurernent of Natural Convection Fields by Commo-Path Phase-Shifting Interferometer

SHOJI Eita, KOMIYA Atsuki, OKAJIMA Junnosuke, MARUYAMA Shigenao

2012　(47)　282-283　2012/03/13
Publisher: The Japan Society of Mechanical Engineers
ふく射要素法を用いた生体内光伝播と伝熱現象に関する研究

圓山重直, 櫻井篤, 小宮敦樹, 佐藤善幸

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2011　2012
サブマイクロ粒子を用いた波長選択膜のふく射特性

江目宏樹, BANESHI Mehdi, 岡島淳之介, 小宮敦樹, 山田昇, 円山重直

Thermophysical Properties　33rd　2012

ISSN： 0911-1743
GPSラジオゾンデを用いた大気放射フラックスの気球観測

山田昇, 岡島淳之介, 櫻井篤, 小宮敦樹, 円山重直

Thermophysical Properties　33rd　2012

ISSN： 0911-1743
自由液膜内温度差マランゴニ対流場の転移ダイナミクス −「界面熱流体システムにおける熱物質輸送現象とその制御」活動報告−

上野一郎, 小宮敦樹, 木村達人, 塩見淳一郎, 丸山茂夫, 松本聡, 益子岳史

第28回宇宙利用シンポジウム　0-0　2012/01
Radiative heat transfer and heating effect of radiation heater for thermal therapy

円山重直, 小笠原直也, 岡島淳之介, 小宮敦樹, 関隆志

The Memoirs of the Institute of Fluid Science, Tohoku University　23　13-19　2012
Evaluation and Analysis of Atmospheric Radiative Energy Transfer

N. Yamada, J. Okajima, A. Sakurai, A. Komiya, S. Maruyama

Proceedings of the Twelfth International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration　72-73　2012
Analysis of Axisymmetric Radiative Heat Transfer in Biological Tissue using the Radiation Element Method

S. Maruyama, Y. Sato, A. Sakurai, J. Okajima, M. Baneshi, A. Komiya

Proceedings of Eighth International Conference on Flow Dynamics　534-535　2011/11
The Effect of Dispersed State to Control of Radiative Properties of Coatings Pigmented with Nanoparticles

H. Gonome, M. Baneshi, J. Okajima, A. Komiya, S. Maruyama

Proceedings of Eighth International Conference on Flow Dynamics　508-509　2011/11
J024023 Control of frozen region by ultrafine cryoprobe utilizing refrigerant circulation system

OKAJIMA Junnosuke, KOMIYA Atsuki, MARUYAMA Shigenao

Mechanical Engineering Congress, Japan　2011　"J024023-1"-"J024023-4"　2011/09/11
Publisher: The Japan Society of Mechanical Engineers

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This paper describes a novel cryosurgical system in order to conduct cryosurgery for a small affected area. An ultrafine cryoprobe to generate a small frozen region and a refrigerant circulation system not to emit the refrigerant into atmosphere were used. This system consists of the ultrafine cryoprobe, the reservoir to store liquid refrigerant, the condenser to condense the refrigerant in vapor state and several valves. In the refrigerant recovery process, the condensed refrigerant was changed its state to room temperature by heating and returned to reservoir. HFC-23, which is alternative Freon, was used as refrigerant and the agar at 37°C was used as a cooling object to simulate a biological tissue. Moreover, this system was able to control the frozen region by using the bypass valve and its effectiveness was confirmed by the freezing experiment. In the freezing experiment, the temperature of cryoprobe surface reached at ?25°C and the frozen region of 2 mm in radius was generated in 20 seconds. Furthermore, the controllability of frozen region was also confirmed by changing the time to open bypass valve.
8I-09 Coupled Radiation and Heat Transfer Analysis inside Biological Tissue for Laser Therapy

MARUYAMA Shigenao, SATO Yoshiyuki, KOMIYA Atsuki, SAKURAI Atsushi

2010　(23)　177-178　2011/01/07
Publisher: The Japan Society of Mechanical Engineers
離散方位ふく射要素法を用いたふく射・対流複合伝熱解析

圓山重直, 櫻井篤, 小宮敦樹

東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書　2010　2011
大規模環境におけるエネルギー移動評価とその解析

円山重直, 小宮敦樹, 山田昇

次世代融合研究システム（スーパーコンピュータ）利用研究成果報告書　第14　40-41　2011
MEASUREMENT OF THERMOPHYSICAL PROPERTIES OF SOFT MATERIALS AND LIQUIDS USING POINT-CONTACT METHOD OF MEASURERIG THERMOPHYSICAL PROPERTIES

KOMIYA Atsuki, MASHIMO Hiroshi, OKAJIMA Junnosuke, TAKAHASHI Ichiro, MARUYAMA Shigenao

31　158-160　2010/11/17

ISSN： 0911-1743
Development of ultrafine cryoprobe for cryosurgery in small scale

J. Okajima, A. Komiya, S. Maruyama

Low Temperature Medicine　36　35　2010/11
Bio Heat Transfer

KOMIYA Atsuki

49　(209)　19-19　2010/10/01

ISSN： 1344-8692
122 A study of Radiative Properties of Functional Coatings Pigmented with TiO_2 Nanoparticles

GONOME Hiroki, BANESHI Mehdi, KOMIYA Atsuki, MARUYAMA Shigenao

2010　(45)　46-47　2010/03/12
Publisher: The Japan Society of Mechanical Engineers
124 Possibility of Upwelling by Perpetual Salt Fountain Based on Ocean Experiments and Analysis of Ocean Observation Data

WATANABE Mikihito, YABUKI Takashi, KOMIYA Atsuki, MARUYAMA Shigenao

2010　(45)　50-51　2010/03/12
Publisher: The Japan Society of Mechanical Engineers
C224 The Global Cooling by Dispersing Nanoparticles

MARUYAMA Shigenao, NAGAYAMA Takeshi, KOMIYA Atsuki

Procee[d]ings of Thermal Engineering Conference　2009　245-246　2009/11/06
Publisher: The Japan Society of Mechanical Engineers

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Nanoparticles in the atmosphere affect the energy balance of the earth. In general, it is known that they have a cooling effect on the atmosphere near the surface of the earth. Therefore, we are now focusing on the cooling effect by considering artificially formed nanoparticle layer which are dispersed in the atmosphere so that we can control global warming. In this study, the feasibility of global warming control by dispersing nanoparticles in the atmosphere is examined. The equivalent temperature decrease by nanoparticle layers is converted to a reduction of CO_2, and this CO_2 reduction is compared with the CO_2 output required to form the nanoparticle layers in the atmosphere. The reduction of CO_2 equivalent to temperature decrease due to nanoparticle dispersion is very large compared with the CO_2 output due to the object launch. Therefore, it is inferred that this method presents a feasible solution to the global warming problem.
112 Precise Measurement of Radiation Thermometers by the Temperature-Controlled Blackbody Furnace and Radiative Heat Transfer Analysis

OGASAWARA Naoya, MARUYAMA Shigenao, KOMIYA Atsuki

2009　(44)　22-23　2009/03/13
Publisher: The Japan Society of Mechanical Engineers
218 Mooring Pipe System for Artificial Upwelling of Deep Seawater Based on Drag Experiment

YABUKI Takashi, CHISAKI Masazumi, KOMIYA Atsuki, MARUYAMA Shigenao

2009　(44)　228-229　2009/03/13
Publisher: The Japan Society of Mechanical Engineers
「界面熱流体システムにおける熱物資輸送現象とその制御」研究班ＷＧ活動報告

上野一郎, 小宮敦樹, 木村達人, 塩見淳一郎, 丸山茂夫, 松本聡, 益子岳史

第２５回宇宙利用シンポジウム講演論文集　319-322　2009/01
Report on the 18th European Thermophysical Properties Conference

KOMIYA Atsuki

22　(4)　236-237　2008/11/30

ISSN： 0913-946X
DETERMINATION OF THE MASS DIFFUSION COEFFICIENT BY THE MEASUREMENT OF CONCENTRATION WITH PHASE SHIFTING INTERFEROMETER AND THE INVERSE ANALYSIS

OKAJIMA Junnosuke, KOMIYA Atsuki, MARUYAMA Shigenao

29　278-280　2008/10/08

ISSN： 0911-1743
115 Heat Transfer Control of Thermotherapy by Using Abdominal Heating Controller

TAKASHIMA Shigeru, MARUYAMA Shigenao, KOMIYA Atsuki, OGASAWARA Naoya, SEKI Takashi, YAMBE Tomoyuki

2008　(43)　31-32　2008/03/15
Publisher: The Japan Society of Mechanical Engineers
110 Evaluation of the Determination Method of Mass Diffusion Coefficient Taken into Account of Concentration Dependency by Inverse Analysis

OKAJIMA Junnosuke, KOMIYA Atsuki, MARUYAMA Shigenao

2008　(43)　21-22　2008/03/15
Publisher: The Japan Society of Mechanical Engineers
On Receiving the Young Researcher Award of JSTP

KOMIYA A.

22　(1)　11-11　2008/02/29

ISSN： 0913-946X
「コンンタクトライン近傍流体の動力学」研究班WG活動宇宙環境における生物流体現象ー宇宙環境利用科学委員会研究班WG活動報告

上野一郎, 小宮敦樹, 木村達人, 塩見淳一郎, 丸山茂夫, 松本聡

第２４回宇宙利用シンポジウム　2008/01
A Comparison for Diffusion Process of Artificial Upwelling of Nutrient-Rich Seawater Simulated by κ-εModel and Large Eddy Simulation

M. Chisaki, S. Maruyama, M. Perrette, A. Komiya, T. Yabuki

IFHT2008 The Second International Forum on Heat Transfer　2008
C231 Instability of Concentration Field at Gas-liquid Surface in the Process of Carbon Dioxide Absorption

Komiya Atsuki, Maruta Kaoru, Nakano Yoshikatsu, Hashida Toshiyuki

Procee[d]ings of Thermal Engineering Conference　2007　263-264　2007/11/23
Publisher: The Japan Society of Mechanical Engineers

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A study on the visualization of the absorption process in the vicinity of the gas-liquid interface was performed. The system in which CO_2 was absorbed into amine solvents and diffused toward the interior of liquid phase was visualized. The interferogram pattern obtained by phase shifting interferometer showed that the increasing of concentration field instability in liquid phase was observed as time advanced or pressure of the gas phase was increased. This was caused by the density increase of the amine absorbing CO_2 and the liquid was affected by the negative buoyant force which generated natural convection locally. Therefore, pseudo diffusion coefficient in this system was determined larger than that of the molecular diffusion system. It was considered that the self-generated instability enhanced the mass transfer of CO_2 in the vicinity of interface and liquid phase.
Influence of convection in the vicinity of surface upon carbon dioxide absorption in solution

Komiya Atsuki, Maruta Kaoru, Nakano Yoshikatsu, Hashida Toshiyuki

2007　175-175　2007
Publisher: 日本流体力学会

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The absorption process in the vicinity of the gas-liquid interface was visualized in the system where CO_2 was absorbed into amine solvents and diffused toward the interior of liquid phase. From the interferogram obtained by phase shifting interferometer, the increasing of concentration field instability in the liquid phase was observed as time advanced or pressure of the gas phase was increased. This was because the density of the amine absorbing CO_2 increased and the liquid was affected by the gravitational force. Therefore, pseudo diffusion coefficient was obtained larger than that of the molecular diffusing system. It was considered that the self-generated instability enhanced the mass transfer of CO_2 in the vicinity of interface and liquid phase.
「界面現象と流体不安定性研究」ワーキンググループ活動報告

松本聡, 鴨谷康弘, 今石宣之, 河村洋, 西野耕一, 川路正裕, 上野一郎, 小宮敦樹, 大平博昭, 益子岳史

第２３回宇宙利用シンポジウム　98-100　2007/01
「コンタクトライン近傍流体の動力学」研究班WG活動報告

上野一郎, 小宮敦樹, 木村達人, 塩見淳一郎, 丸山茂夫, 松本聡

第２３回宇宙利用シンポジウム　90-93　2007/01
F225 Evaluation of Repeatable Motion on Artificial Muscle Using Thin Shape Memory Alloy Wire

Ibuki Ryuta, Maruyama Shigenao, Komiya Atsuki, Yambe Tomoyuki

Procee[d]ings of Thermal Engineering Conference　2006　377-378　2006/11/23
Publisher: The Japan Society of Mechanical Engineers

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This paper describes evaluation about repeatable motion of an actuator using thin SMA wire applied for assistant artificial heart muscle. Ti-Ni-Cu wire covered by polyimide tube is combined with thin phosphor bronze plate to make actuator, which is small enough to implant in human body. Actuator elastically bends in arch shapes with electrical pulse application. Numerical evaluation using finite element method shows low consumption motion of the actuator with short time pulse application. Motion response of the actuator in water maintained at 38℃ is numerically and experimentally evaluated as 1.4Hz of motion frequency.
F113 Enhancement of Natural Convection Heat Transfer from Vertical Baffled Plates with Oscillation

Sato Tetsuya, Maruyama Shigenao, Komiya Atsuki

Procee[d]ings of Thermal Engineering Conference　2006　193-194　2006/11/23
Publisher: The Japan Society of Mechanical Engineers

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The purpose of this study is enhancement of natural convective heat transfer from the vertical plate using some baffles and periodic oscillation. Particularly the effects of baffle height and baffle width are investigated by numerical simulation in this paper. The oscillated velocity is almost half flow velocity of vertical flat plate with no oscillation to reduce the effect of forced convection. The results show that spatially and temporally averaged Nusselt number became larger than that of stationary flat plate but smaller than that of oscillatory flat plate. This results show that baffle is not good application for enhancement of heat transfer.
14.脳冷却による脳機能マッピング(平成17年度東北支部大会抄録)

武田洋樹, 円山重直, 小宮敦樹, 山家智之, 中里信和

生体医工学 : 日本エム・イー学会誌　44　(2)　319-319　2006/06/10
Publisher: 社団法人日本生体医工学会
ISSN： 1347-443X
界面現象と流体不安定性の研究ワーキンググループ活動報告

松野聡, 依田眞一, 鴨谷康弘, 今石宣之, 河村洋, 西野耕一, 川路正裕, 上野一郎, 小宮敦樹, 大平博昭, 益子岳史

第２２回宇宙利用シンポジウム講演論文集　56-58　2006/01
「コンタクトライン近傍流体の動力学」研究班WG活動報告

上野一郎, 小宮敦樹, 木村達人, 塩見淳一郎, 丸山茂夫, 松本聡

第２２回宇宙利用シンポジウム講演論文集　63-64　2006/01
Numerical Simulation of Natural Convection in Pipe by Perpetual Salt Fountain

MARUYAMA SHIGENAO, SATO TETSUYA, KOMIYA ATSUKI, TSUBAKI KOTARO

日本伝熱シンポジウム講演論文集(CD−ROM)　43rd　H313　2006
液体の拡散現象に及ぼす外力の影響に関する研究

圓山重直, 小宮敦樹

MGLABにおける微小重力実験例紹介,株式会社日本無重量総合研究所　4　2006
Visualization of the Vicinity of Solid-gas-liquid Boundary Line (Contact Line) -Micro-scale Observation of Solid-gas- liquid Boundary Line-

Atsuki Komiya, Ichiro Ueno, Tatsuto Kimura

Journal of the visualization society of Japan　25　(98)　175-180　2005/07
Publisher: The visualization society of Japan
DOI： 10.3154/jvs.25.175 　

ISSN： 0916-4731
Experimental Study of Thermocapillary Flow in The Half-Zone Liquid Bridge of Low Prandtl Number Fluid(Marangoni Convection Modeling Research, 2003-2004)

Matsumoto Satoshi, Hayashida Hitoshi, Komiya Atsuki, Natsui Hidesada, Yoda Shinichi

JAXA research and development report　4　112-128　2005/03
Publisher: Japan Aerospace Exploration Agency
ISSN： 1349-1113

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The experimental study on thermocapillary convection of low Prandtl number fl uid was carried out to understand transition behavior to oscillatory fl ow. The half-zone liquid bridge of molten tin was formed between hot and cold disks in high vacuum chamber (10-5 Pa). The three radiation thermometers were used to measure the free surface temperature at a different azimuthal location at the same time. In addition, the temperature distribution at interface between liquid bridge and cold disk was measured by using very fi ne thermocouples. In order to detect the transition point and to make clear the oscillation mode more precisely, the temperature measurement system was developed.It could be detected that the steady thermocapillary convection changes to oscillatory under certain condition. The observed phenomena of transition processes after the oscillatory onset were revealed by comparing to numerical result done by Imaishi et al.. The effect of aspect ratio (L/r) on critical Marangoni number was investigated. The critical Marangoni number decreases with increasing the aspect number. This behavior agrees with numerical simulation done by Imaishi et al. qualitatively except for region of smaller aspect ration. Since the echo signal from the tracer had the very small bad SN ratio, in order to raise the SN ratio, signal processing technique was examined. Consequently, the noise which originates in the shoe by the subtraction processing technique was removable. And the SN ratio could be improved by the addition processing by repetition measurement, and the SN ratio improved about 3 times by calculation supposing actual measurement. The A/D converter and the system controller were manufactured in the 3D-UV measurement unit.
Study of High Efficiency Power Plant with O_2/CO_2 Combustion for CO_2 Capture

MARUYAMA Shigenao, ABE Kazuki, MARUTA Kaoru, KOMIYA Atsuki

Procee[d]ings of Thermal Engineering Conference　2004　185-186　2004/11/10
Publisher: The Japan Society of Mechanical Engineers

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O_2/CO_2 combustion technique is suitable for CO_2 capture. A cryogenic air separation using single rectification column was proposed for O_2 production. In the present paper, feasibility study of simplified natural gas combined cycle, NGCC, utilized CO_2 recovery system was deliberated. Power plant consists of three units: ASU (Air Separation Unit), NGCC, and captured-gas compression unit. These units are built on present technologies of conventional plants. Simulation software, HYSYS.Process, was used to simulate and calculate the net thermal efficiency. We have considered two cases; case 1 is 200-300MW output gas turbine, and case 2 is 50MW output gas turbine. As a result, thermal efficiencies achieve 45.4% in case 1 and 43.3% in case 2. In addition, cases have possibilities to increase thermal efficiencies by using of regenerative technique.
Precise Heat Transfer Control of Small Actuator for Medical Application

MARUYAMA Shigenao, SHAO Long, KOMIYA Atsuki

Procee[d]ings of Thermal Engineering Conference　2004　391-392　2004/11/10
Publisher: The Japan Society of Mechanical Engineers

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In order to make a catheter to be used in welfare and medical field, a novel whit-kinematics catheter made with shape memory alloy has been developed. This catheter responses reliably and has high accuracy in position control, Transient analysis of temperature and stress has been performed using a finite element method. At the same time, the temperature change is calculated to predict the action of the catheter and the parameters used in PID control. The numerical analysis and experimental result are compared. The performance of the catheter is accurately controlled according to the feedback of the temperature and electronic resistance.
Dynamics of the Fluid in the Vicinity of the Solid-liquid-gas Boundary Line (`Contact Line')

Ichiro Ueno, Tatsuo Kimura, Atsuki Komiya

Journal of The Japan Society of Microgravity Application　21　(4)　307-311　2004/08
Transition Phenomena on Marangoni Convection in Low Pr Number Liquid Bridge

MATSUMOTO Satoshi, HAYASHIDA Hitoshi, YODA Shinichi, KOMIYA Atsuki, NATSUI Hidesada, IMAISHI Nobuyuki

Thermal Sci. and Eng.　12　(4)　21-22　2004/07/01

ISSN： 0918-9963
Status of the Project Research in the NASDA Microgravity Science Program

Atsuki Komiya, Shinichi Yoda

Proceedings of the 42nd AIAA Aerospace Sciences Meeting & Exhibit　2004/01
Publisher: AIAA
Modeling of Transition Mechanism to Oscillatory Marangoni Convection in Liquid Bridge

KOMIYA Atsuki, MATSUMOTO Satoshi, YODA Shinichi

Procee[d]ings of Thermal Engineering Conference　2003　385-386　2003/11/10
Publisher: The Japan Society of Mechanical Engineers

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This paper describes a novel model of transition mechanism from steady to oscillatory thermocapillary flow in liquid bridge configuration. The velocity distribution on free surface of high Prandtl number (Pr) fluid is mainly considered in this transition model. In order to evaluate the model, two-dimensional calculations with the wide range of liquid bridge size have been done. The thermophysical properties of Pr=67 fluid (5cSt Silicone oil) are used for the calculations. The results indicate that the velocity distribution on free surface is affected by the difference of inner flow pattern, which depends on the liquid bridge size. This result finally derives a novel parameter which indicates the transition phenomena with wide range Pr number fluids.
Transition Process to Oscillatory Thermocapillary Flow in Low Prandtl Number Liquid

MATUMOTO Satoshi, KOMIYA Atsuki, HAYASHIDA Hitoshi, NATSUI Hidesada, YASUHIRO Shouichi, IMAISHI Nobuyuki

Procee[d]ings of Thermal Engineering Conference　2003　387-388　2003/11/10
Publisher: The Japan Society of Mechanical Engineers

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The experimental study on thermocapillary convection of low Prandtl number fluid was carried out to investigate the transition behavior to oscillatory flow. The half-zone liquid bridge of molten tin was used as a test fluid. It can be detected that the steady thermocapillary convection changes to oscillatory under certain condition. In addition to experimental work, a numerical study was also performed to understand the experimentally observed temperature fluctuations. It could be experimentally detected that a slow oscillation (&acd;0.02Hz) appeared after the onset of oscillatory flow, and then the oscillation became faster (&acd;0.3Hz) when the temperature difference ΔT increased. The numerical simulation which traced the experimental temperature history for boundary conditions could explain the experimental result very well.
Development of the flow field visualization technique for thermocapillary convection of low Prandtl number fluid

HAYASHIDA Hitoshi, MATSUMOTO Satoshi, KOMIYA Atsuki, NATSUI Hidesada, YODA Shinichi

23　(2)　169-170　2003/10/15

ISSN： 0916-4731
Study on the Surface Tension and Kinematic Viscosity of the Silicone Oils

KOMIYA Atsuki, MATSUMOTO Satoshi, HAYASHIDA Hitoshi, YODA Shinichi, FUKUYAMA Seijiro

19　16-16　2002/10/17

ISSN： 0915-3616
Experimental study on thermocapillary convection of Pr=0.01 Liquid column (5) : Examination of transition to oscillatory flow based on temperature measurement

HAYASHIDA Hitoshi, NATSUI Hidesada, MATSUMOTO Satoshi, KOMIYA Atsuki, YODA Shinichi

19　62-62　2002/10/17

ISSN： 0915-3616
Experimental study on thermocapillary convection of Pr=0.01 liquid Column (6) : Development of tracer particles for observation of flow in molten metals by the ultrasonic visualization system

NATSUI Hidesada, KOMIYA Atsuki, UEZONO Tsuyoshi, ONOMAE Hiroshi, SODEYAMA Ken-ichi, FUKUMURO Naoki, MATSUMOTO Satoshi, HAYASHIDA Hitoshi, YODA Shinichi

19　63-63　2002/10/17

ISSN： 0915-3616
Short-time Measurement of Mass Diffusion Coefficients under Microgravity Condition

KOMIYA Atsuki, MARUYAMA Shigenao, OHNO Kentaro, MORI Kentaro

18　53-53　2001/10/01

ISSN： 0915-3616
On Receiving Heat Transfer Society Award for Young Investigators

KOMIYA Atsuki

40　(163)　9-9　2001/07/01

ISSN： 0910-7851
Temperature Propagationas and Convective Instabilities in a Near-Critical Fluid Part 2 - Drop Experiment -

YOSHIHARA Shoichi, ISHII Koji, ONISHI Mitsuru, HIEJIMA Toshihiko, AZUMA Hisao, KOMIYA Atsuki, MARUYAMA Shigenao

17　142-143　2000/10/01

ISSN： 0915-3616
Measurements of Thermal Diffusion Layer in Near Critical Fluids(CO_2 )under Microgravity

YAMAMOTO Hideaki, HIEJIMA Toshihiko, AZUMA Hisao, YOSHIHARA Shoichi, ISHII Koji, OHNISHI Mitsuru, KOMIYA Atsuki, MARUYAMA Shigenao

17　57-57　2000/10/01

ISSN： 0915-3616
Short-time Measurement of Small Transient Diffusion Field Using Real-time Phase Shifting Interferometer.

MARUYAMA SHIGENAO, KOMIYA ATSUKI, TSUKAMOTO KATSUO

日本伝熱シンポジウム講演論文集　37th　(Vol.3)　917-918　2000
相境界の物性とミクロな物質移動に関する研究

S.Maruyama, K.Takahashi, A.Komiya, M.Behnia

平成9年度～平成11年度北海道大学低温科学研究所共同研究(一般研究)成果報告書　92-99　2000
微小非定常拡散セルを用いた物質拡散係数の短時間測定

円山重直, 小宮敦樹, 酒井清吾

The 21st Japan symposium 2000　78-80　2000
Short-Time Mesurement of Mass Diffusion Coefficients Using Small Transient Diffusion Cell

円山重直, 小宮敦樹, 酒井清吾

The 21st Japan symposium 2000　78-80　2000
Measurement of Crystal Growth in Solution in Microgravity.

MARUYAMA SHIGENAO, YABANA JUN, SUMI NAOKA, KOMIYA ATSUKI, TSUKAMOTO KATSUO, SHIMIZU KENJI, OKADA SHIGENOBU, FUJISHIMA MOTOI

日本機械学会東北支部総会・講演会講演論文集　33rd　161-162　1998/02
Measurement of Mass Diffusion Coefficients of Solutions using Phase-shift Interferometer and Slide-type cell.

MARUYAMA SHIGENAO, KOMIYA ATSUKI, YABANA JUN, TSUKAMOTO KATSUO

日本伝熱シンポジウム講演論文集　35th　(Vol.1)　271-272　1998
Measurement of Crystal Growth and Diffusion Fields in Microgravity

MARUYAMA Shigenao, KOMIYA Atsuki, OKADA Shigenobu, YABANA Jun, TSUKAMOTO Katsuo, FUJISHIMA Motoi, SUMI Naoka, SHIMIZU Kenji

14　49-50　1997/10/01

ISSN： 0915-3616

Show all ︎Show first 5

Books and Other Publications 4

高度物理刺激と生体応答

小宮敦樹

養賢堂　2017/08
機械の研究

部分執筆

養賢堂　2015/08
ナノ・マイクロスケール熱物性ハンドブック

小宮敦樹

養賢堂　2014/05
インクジェット技術における微小液滴の吐出・衝突・乾燥

小宮敦樹

技術情報協会　2009/08

Presentations 382

Precursor film dynamics of small droplet -Visualization and accurate measurement- Invited

Atsuki Komiya

Annual Chinese Heat and Mass Transfer Conference 2022　2022/12/18
Scaling Up Thermodiffusive Separation through a Microchannel

Shuqi Xu, Atsuki Komiya, Ben Corry, Juan F. Torres

23rd Australasian Fluid Mechanics Conference (23AFMC)　2022/12/08
Edge formation of small droplet on a substrate –Nano-scale visualization of precursor film dynamics – Invited

Atsuki Komiya

The 1st World Conference on Multiphase Transportation, Conversion & Utilization of Energy (MTCUE)　2022/07/30
Turbulence statistics in a temporally evolving turbulent natural convection boundary layer

Junhao Ke, Nicholas Williamson, Steven W. Armfield, Atsuki Komiya, Stuart E. Norris

12th Australasian Heat and Mass Transfer Conference (12AHMTC)　2022/06/30
Evaluation of Heat Transfer Mechanism in Natural Convection Boundary Layer Perturbated by a Local Mixed Convection Regime

Takuma Koizumi, Juan F. Torres, Yuki Kanda, Atsuki Komiya

12th Australasian Heat and Mass Transfer Conference (12AHMTC)　2022/06/30
Possibility of Mass Diffusion Control - Effect of Pore Size of Separated Membrane - Invited

Atsuki Komiya

12th Australasian Heat and Mass Transfer Conference (12AHMTC)　2022/06/30
Evaluation of convective and radiative heat transfer for the therapeutic development using near-infrared laser and gold nanorod

Akiyoshi Obonai, Yuki Kanda, Oluwatobi Oluwafemi, Tetsuya Kodama, Atsuki Komiya

The 32nd International Symposium on Transport Phenomena (ISTP32)　2022/03/19
Experimental evaluation of membrane pore pattern on the protein diffusion

Ruiyao Zhu, Ryo Watanabe, Yuki Kanda, Juan Felipe Torres Alvarez, Sébastien Livi, Atsuki Komiya

The 32nd International Symposium on Transport Phenomena (ISTP32)　2022/03/20
Evaluation of the interaction between neighboring microchannels in boiling heat transfer

Kazuya Murakami, Yuki Kanda, Atsuki Komiya

The 32nd International Symposium on Transport Phenomena (ISTP32)　2022/03/20
Effect of fluid flow on heat transfer in elastocaloric cooling systems

Xuen Sze Way, Gael Sebald, Yuki Kanda, Atsuki Komiya

The 32nd International Symposium on Transport Phenomena (ISTP32)　2022/03/20
Control of Protein Mass transfer Using a Membrane with Patterned Pores Invited

Atsuki Komiya

The 32nd International Symposium on Transport Phenomena (ISTP32)　2022/03/20
Evaluation of the possibility to control mass diffusion process by a membrane with macropore patterning Invited

Atsuki Komiya

The 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC2021)　2021/12/18
Accurate visualization of carbon dioxide heat transfer under supercritical condition using high-speed phase-shifting interferometer

Yuki Kanda, Haruki Ito, Atsuki Komiya

Second Asian Conference on Thermal Sciences (2nd ACTS)　2021/10/04
Preliminary Measurements of CO2 Cavity Convection from Sub-Critical to Supercritical Conditions Using Pixelated Phase-Shifting Interferometry

Qixian Wu, Lin Chen, Yizhi Zhang, Atsuki Komiya

Second Asian Conference on Thermal Sciences (2nd ACTS)　2021/10/05
Development of a novel measurement system of total emissivity using the GHP method

Mitsuomi Soma, Yuki Kanda, Atsuki Komiya

Second Asian Conference on Thermal Sciences (2nd ACTS)　2021/10/06
グラフェン上における液体流動発電の出力密度定量

栗谷京生, 落合耕太朗, Golap Kalita, 種村眞幸, 小宮敦樹, 菊川豪太, 小原拓, 山下一郎, Fumio S. Ohuchi, Meyya Meyyappan, 寒川誠二, 鷲尾勝由, 岡田健

応用物理学会第75回東北支部学術講演会　2020/12/04
Stability and Transition to Turbulence of Taylor Vortex in a Gap between Rotating Two Cones

Takahiro Adachi, Widiast Toshiharu, Kana Akinaga, Atsuki Komiya

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/29
Effect of Micropores Patterning in Separated Plate on Protein Hindered Diffusion Phenomena

Atsuki Komiya, Ryo Watanabe, Yuki Kanda, Juan Felipe Torres Alvarez, Sébastien Livi

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/29
Numerical Simulation of Mass Transfer and Structural Change with Solid-gas Reaction in a Full-scale Porous Model

Yui Numazawa, Yoshiya Matsukawa, Yohsuke Matsushita, Hideyuki Aoki, Atsuki Komiya

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/28
Quantitative Visualization of Flow Bifurcation in Laminar Rayleigh-Bénard Convection with Combined PSI and PIV

Shuqi Xu, Yongling Zhao, Atsuki Komiya, Juan Felipe Torres Alvarez

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/28
A Study on Nano-scale Interfacial Phenomena of Surface-modified Nanoparticle Suspension

Masaki Kubo, Toshiki Otsuka, Eita Shoji, Takao Tsukada, Atsuki Komiya

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/28
Integral Modelling of an Unsteady Natural Convection Boundary Layer

Junhao Ke, Nicholas Williamson, Steven W. Armfield, Atsuki Komiya

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/28
Experimental Evaluation of Objective Function for Perdition of IR Camera's Sensitivity

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/28
Science of Ultrafine Drop and High Speed Impact

Takehiko Sato, Masao Watanabe, Takeru Yano, Yuka Iga, Kazumichi Kobayashi, Toshiyuki Hayase, Jun Ishimoto, Makoto Ohta, Atsuki Komiya, Hidemasa Takana, Kiyonobu Ohtani, Junnosuke Okajima, Satoshi Uehara, Suguru Miyauchi, Hitomi Anzai

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/28
Nano-scale Observation of Precursor Film Dynamic by Phase-shifting Ellipsometer

Shinya Okazawa, Nie Qinxue, Yuki Kanda, Atsuki Komiya

17th International Conference on Flow Dynamics (ICFD2020)　2020/10/29
High Spatio-Temporal Visualization of Heat and Mass Transfer Phenomena During Gas Hydrate Decomposition

Yuki Kanda, Atsuki Komiya

17th International Conference on Flow Dynamics (ICFD2020)　2020/10/29
Lattice Boltzmann Simulation of Convection and Heat transfer in a Square Side-Heated Cavity Filled with Supercritical CO2

Yongchang Feng, Lin Chen, Yuki Kanda, Atsuki Komiya

17th International Conference on Flow Dynamics (ICFD2020)　2020/10/29
Numerical Study of Passive Thermal Control for Uniform Temperature Field of Supercritical Fluid

Haruki Ito, Yuki Kanda, Atsuki Komiya

17th International Conference on Flow Dynamics (ICFD2020)　2020/10/29
Development of Spinning Device Using Filmwise Pumping-up Mechanism with Induction Heating and Rotating Cone

Kenji Takahashi, Takahiro Adachi, Takeshi Akinaga, Kana Akinaga, Junnosuke Okajima, Atsuki Komiya

20th International Symposium on Advanced Fluid Information (AFI-2020)　2020/10/28
Investigation of Convective Boiling Phenomena in Layered-parallel Microchannels

Yusuke Nishimura, Yuki Kanda, Junnosuke Okajima, Atsuki Komiya

31st International Symposium on Transport Phenomena (ISTP-31)　2020/10/14
衝突噴流による高 Rayleigh数自然対流の温度境界層制御

小笠原直人, 神田雄貴, J.F. Torres, 小宮敦樹

機械学会熱工学コンファレンス2020　2020/10/11
マイクロ細孔を利用したタンパク質の物質拡散制御の可能性評価

渡邉崚, J.F. Torres, 神田雄貴, 小宮敦樹

機械学会熱工学コンファレンス2020　2020/10/10
Comparison between the Stefan-Maxwell Equation and Its Approximation Equation with Correction Velocity for diffusion in A Ternary System

Yui, Numazawa, Yoshiya, Matsukawa, Yosuke Matsushita, Hideyuki Aoki, Atsuki Komiya

2020/09/24
Investigation of finger-like precursor film dynamics at liquid/gas/solid interface of volatile droplets by phase shifting ellipsometer

Nie Qinxue, Yuki Kanda, Atsuki Komiya

2020/05/16
Measurement of concentration and flow fields of CO2 absorption process in Marangoni convection

Haruki Ito, Yuki Kanda, Atsuki Komiya

2020/05/16
Visualization of transient heat transfer in the vicinity of solid-gas interface

Yuki Kanda, Atsuki Komiya

ELyT Workshop 2020　2020/02/18
Visualization of Precursor Film Dynamics of Small Droplet by Phase-Shifting Ellipsometer Invited

Atsuki Komiya

International Seminar in Fukui -Japan-China Heat Transfer Symposium 2020　2020/01/10
Evaluation of the relations between hindered diffusion process of protein and membrane structure

Atsuki Komiya, Ryo Watanabe, Hani Alkitabi Aldaftari, Shuichi Moriya, Sébastien Livi

The Second Pacific Rim Thermal Engineering Conference (PRTEC2019)　2019/12/14
Application of an Integral Model to an Unsteady Natural Convection Boundary Layer

Junhao Ke, Nicholas Williamson, Steven W. Armfield, Stuart E. Norris, Atsuki Komiya

11th Australasian Natural Convection Workshop　2019/12/09
Measurement of equivalent radiative thermal conductivity by high precision GHP apparatus for porous insulation materials

Fukukai Kaku, Shuta Koyanagi, Takuma Kogawa, Hiroshi Osawa, Atsukli Komiya, Shigenao Maruyama

40th Japan Symposium on Thermophysical Properties　2019/11/28
Heat Loss Analysis of Total Emissivity Measurement using Guarded Hot Plate Method

Shuta Koyanagi, Atsukli Komiya, Shigenao Maruyama

40th Japan Symposium on Thermophysical Properties　2019/11/28
Precise Measurement of Rapid and Tiny Heat and Mass Transport Phenomena Using High-speed Phase-shifting Interferometry Invited

Atsuki Komiya

The 2nd International Symposium on Measurement Techjnology in Thermal Science and Engineering　2019/11/16
Transition to Turbulence of Taylor Vortex in a Gap between Rotating Two Cones

Takahiro Adachi, Kentaro Usuki, Atsuki Komiya, Daniel Henry, Varely Botton

19th International Symposium on Advanced Fluid Information　2019/11/07
Protein Mass Transfer Control by Using Hindered Diffusion in Membrane

Atsuki Komiya, Ryo Watanabe, Sébastien Livi

19th International Symposium on Advanced Fluid Information　2019/11/07
Science of Ultrafine Drop and High Speed Impact

Takehiko Sato, Masao Watanabe, Takeru Yano, Yuka Iga, Kazumichi Kobayashi, Toshiyuki Hayase, Jun Ishimoto, Makoto Ohta, Atsuki Komiya, Hidemasa Takana, Kiyonobu Ohtani, Junnosuke Okajima, Satoshi Uehara, Suguru Miyauchi, Hitomi Anzai

19th International Symposium on Advanced Fluid Information　2019/11/07
A Study on Nano-scale Interfacial Phenomena of Surface-modified Nanoparticle Suspension

Eita Shoji, Masaki Kubo, Takao Tsukada, Atsuki Komiya, Gota Kikugawa

19th International Symposium on Advanced Fluid Information　2019/11/07
Multiphase Flow and Interfacial Transport Phenomena at Phase and Material Boundaries

Shigeru Obayashi, Seiji Samukawa, Toshiyuki Takagi, Hirofumi Wada, Takeru Okada, Yutaka Watanabe, Mitsuo Hashimoto, Takashi Iijima, Philippe Guy, Lalita Udpa, Yuji Hattori, Hiroki Nagai, Koji Shimoyama, Makoto Hirota, Aiko Yakeno, Gota Kikugawa, Atsuki Komiya, Sho Takeda, Jun Ishimoto, Tetsuya Uchimoto, Hiroyuki Kosukegawa

19th International Symposium on Advanced Fluid Information　2019/11/07
Evaluation of Prediction Method for IR Camera's Sensitivity

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

19th International Symposium on Advanced Fluid Information　2019/11/07
Experiment of Light-driven Micromotor with Epicyclic Motion

Noboru Yamada, Vuong Van Thai, Hiroki Sato, Junnosuke Okajima, Atsuki Komiya

19th International Symposium on Advanced Fluid Information　2019/11/07
Large-Scale Simulation of Mass Transfer and Structural Change with Solid-Gas Reaction in Porous Media: Investigation of Diffusion Term

Yui Numazawa, Yohsuke Matsushita, Hideyuki Aoki, Atsuki Komiya

19th International Symposium on Advanced Fluid Information　2019/11/07
Numerical Simulation of Concentration Field around a Growing Crystal Subjected to Gravity

Hani Alkitabi Aldaftari, Ryo Watanabe, Atsuki Komiya

16th International Conference on Flow Dynamics　2019/11/07
Quantitative Evaluation of the Influence of Membrane Structure on Protein Mass Diffusion

Ryo Watanabe, Shuichi Moriya, Sébastien Livi, Hani Alkitabi Aldaftari, Atsuki Komiya

16th International Conference on Flow Dynamics　2019/11/07
Evaluation of Spatiotemporal Bubble Generation accompanying Flow Boiling in Multi-microchannel

Daiki Sugawara, Shuichi Moriya, Junnosuke Okajima, Atsuki Komiya

16th International Conference on Flow Dynamics　2019/11/07
Evaluation of Heat Transfer Performance of a Heat Sink with Microchannels of Different Diameters

Yusuke Nishimura, Junnosuke Okajima, Takuya Oouchi, Masaru Sasaki, Atsuki Komiya

16th International Conference on Flow Dynamics　2019/11/08
Measurement of microscopic wetting behavior of a suspension droplet on solid substrate using phase-shifting ellipsometer

Eita Shoji, Tatsuya Yonemura, Takahiro Kaneko, Masaki Kubo, Takao Tsukada, Atsuki Komiya

JASMAC-31　2019/10/24
High-.speed Interferometric Measurement of Interfacial Heat Transfer with Arbaa Prism

Yuki Kanda, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

12th Asian Thermophysical Properties Conference　2019/10/04
Investigation of microscopic wetting behavior of PDMS suspensions with surface-modified nanoparticles using a phase-shifting ellipsometer

Takahiro Kaneko, Tatsuya Yonemura, Eita Shoji, Masaki Kubo, Takao Tsukada, Atsuki Komiya

2019/09/22
Main key points for developing environmental friendly solid state cooling system based on the elastocaloric effect in rubber

Gael Sebald, Atsuki Komiya, Jean-Marc Chenal, Laurent Chazeau, Florent Dalmas, Mathieu Vigouroux, François Rousset, M'hamed Boutaous, Jacques Jay, Bertrand Garnier, Mohammad Rammal, Ahmed Ould El Moctar, Hiba Haissoune, Gildas Coativy, Laurence Seveyrat, Kaori Yuse, Laurent Lebrun

the European Materials Research Society 2019 Fall Meeting　2019/09/18
Study for controlling of turbulence in natural convection by gas radiation effect

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

56th National Heat Transfer Symposium of Japan　2019/05/31
Evaluation of Rate-Determining Step of Methane Hydrate Dissociation by High-Speed Measurement of Transient Interfacial Heat and Mass Transfer

Yuki Kanda, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

56th National Heat Transfer Symposium of Japan　2019/05/29
Evaluation of heat transfer performance of the heat sink with layered parallel microchannels

Yusuke Nishimura, Junnosuke Okajima, Takuya Oouchi, Atsuki Komiya

56th National Heat Transfer Symposium of Japan　2019/05/29
Quantitative Visualization of Thermal Boundary Layer over a Heating or Cooling Flat Plate in Forced Convection

Jun Liu, Jun Onodera, Junya Washiashi, Ryo Watanabe, Shuichi Moriya, Hideyuki Aizawa, Atsuki Komiya

15th International Conference on Fluid Control, Measurements and Visualization　2019/05/27
Evaluation of the influence of permeable membrane structure on protein mass diffusion

Ryo Watanabe, Shuichi Moriya, Sébastien Livi, Atsuki Komiya

2019/05/11
Quantitative visualization of nano-scale wetting behavior of a droplet on solid substrate using phase-shifting ellipsometer

Eita Shoji, Tatsuya Yonemura, Takahiro Kaneko, Masaki Kubo, Takao Tsukada, Atsuki Komiya

2019/03/15
Measurement of protein mass flux through porous membrane

Ryo Watanabe, Shuichi Moriya, Sébastien Livi, Atsuki Komiya

ELyT Workshop 2019　2019/03/09
Quantitative measurement of interfacial heat and mass transfer using high-speed phase-shifting interferometer

Yuki Kanda, Junnosuke Okajima, Atsuki Komiya

ELyT Workshop 2019　2019/03/11
A Study on Flow Characteristics of Suspensions of Surface-modified Nanoparticles Using Numerical Simulations International-presentation

Shin Usune, Masaki Kubo, Eita Shoji, Atsuki Komiya, Takao Tsukada

18th International Symposium on Advanced Fluid Information (AFI-2018)　2018/11/07
Interferometric Measurement of Temperature Fields in Turbulent Flows International-presentation

Juan Felipe Torres Alvarez, Atsuki Komiya, John Pye, Wojciech Lipinski

18th International Symposium on Advanced Fluid Information (AFI-2018)　2018/11/07
Mechanism of Propagation of Underwater Negative Streamer International-presentation

Ryo Kumagai, Seiji Kanazawa, Kiyonobu Ohtani, Atsuki Komiya, Toshiro Kaneko, Tomoki Nakajima, Takehiko Sato

18th International Symposium on Advanced Fluid Information (AFI-2018)　2018/11/07
Development of Accurate Temperature Method by Infrared Camera International-presentation

Takuma Kogawa, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

18th International Symposium on Advanced Fluid Information (AFI-2018)　2018/11/07
Development of Light-driven Microactuators for Microfluidic Devices International-presentation

Noboru Yamada, Vuong Van Thai, Junnosuke Okajima, Atsuki Komiya

18th International Symposium on Advanced Fluid Information (AFI-2018)　2018/11/07
Experimental Validation of Natural Convection Flow in a Cavity with Time-varying Thermal Boundary Conditions International-presentation

Linjing Zhou, Steven Armfield, Nicholas Williamson, Michael Kirkpatrick, Wenxian Lin, Atsuki Komiya, Takuma Kogawa

18th International Symposium on Advanced Fluid Information (AFI-2018)　2018/11/07
Thermo-fluid Dynamics Design of a Double Pipe Heat Exchanger International-presentation

Tomohiro Hirano, Mitsuo Yoshimura, Koji Shimoyama, Atsuki Komiya

15th International Conference on Flow Dynamics (ICFD2018)　2018/11/07
Precise Measurement of CO2 Absorption Process into Alkanolamine at Gas-Liquid Interface International-presentation

Atsuki Komiya, Toru Saito

29th International Symposium on Transport Phenomena (ISTP-29)　2018/10/30
Precise Measurement Technique of Skin Temperature for Presymptomatic Diagnosis International-presentation

Atsuki Komiya, Takahiro Okabe

SA-Japan Bilateral Symposium 2018　2018/10/22
Shape Optimization of a Double Pipe Heat Exchanger for Additive Manufacturing

Tomohiro Hirano, Mitsuo Yoshimura, Koji Shimoyama, Atsuki Komiya

Mechanical Engineering Congress, 2018 Japan　2018/09/09
Experimental Study of Natural Convection in a Cavity: Precise Visualization Method of Temperature Field International-presentation

Menghua Duan, Lin Chen, Yongchang Feng, Junnosuke Okajima, Atsuki Komiya

16th International Heat Transfer Conference (IHTC-16)　2018/08/10
Numerical Study of the Effect of Over/Underburden Permeability on Methane Hydrate Dissociation by Depressurization International-presentation

Yongchang Feng, Lin Chen, Hikaru Yamada, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

16th International Heat Transfer Conference (IHTC-16)　2018/08/10
Visualization of Heat and Mass Transfer Near the Formation and Dissociation Interface of CO2 Hydrate with High?Speed Phase?Shifting Interferometer International-presentation

Yuki Kanda, Eita Shoji, Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

16th International Heat Transfer Conference (IHTC-16)　2018/08/10
Dynamic Free Surface Deformation of High-Prandtl- Number Liquid Bridge with Marangoni Convection in Mcrogravity International-presentation

Taishi Yano, Koichi Nishino, Satoshi Matsumoto, Ichiro Ueno, Atsuki Komiya, Yasuhiro Kamotani

42nd COSPAR Scientific Assembly 2018　2018/07/14
Radiative Control Through Greenhouse Covering Materials Using Pigmented

Hani Alkitabi Aldaftari, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

55th National Heat Transfer Symposium of Japan　2018/05/29
Evaluation of the effect of initial temperature increment on gas production behavior in methane hydrate sandy sediments

Hikaru Yamada, Yongchang Feng, Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

55th National Heat Transfer Symposium of Japan　2018/05/29
Numerical analysis of depressurization-induced gas production from oceanic methane hydrate reservoirs in the Eastern Nankai Trough

Yongchang Feng, Lin Chen, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

55th National Heat Transfer Symposium of Japan　2018/05/29
Formation process of fine bubbles by plasma in water International-presentation

Takehiko Sato, Ryo Kumagai, Takashi Miyahara, Masanobu Oizumi, Tatsuyuki Nakatani, Shiroh Ochiai, Takamichi Miyazaki, Hidemasa Fujita, Seiji Kanazawa, Kiyonobu Ohtani, Atsuki Komiya, Toshiro Kaneko, Tomoki Nakajima, Marc Tinguely, Mohamed Farhat

3rd International symposium on Application of High-voltage, Plasma & Micro/Nano Bubble (Fine Bubble) to Agriculture and Aquaculture　2018/05/09
Experimental Study on Active Control of Protein Mass Flux by Functional Membrane International-presentation

Atsuki Komiya, Sebastien Livi

ELyT Workshop 2018　2018/03/06
Evaluation of the boundary layer of the turbulent natural convection in square cavity with radiation effect International-presentation

9th Australasian Natural Convection Workshop　2015/12/14
Initiation and Propagation Processes of Underwater Streamers International-presentation

Joint Symposium of the 9th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology (APSPT-9) and the 28th Symposium on Plasma Science for Materials (SPSM-28)　2015/12/13
Evaluation of power generation system utilizing ocean methane hydrate and chemical carbon capture and storage system International-presentation

International Conference on Power Engineering-15(ICOPE-15)　2015/12/03
凝固点降下を利用したメタンハイドレート模擬試料の浸透率制御, Control of permeability of methane hydrate mimicking sample by changing the freezing point

第7 回メタンハイドレート総合シンポジウム(CSMH-7)　2015/12/03
固気界面でのメタンハイドレート解離現象における濃度場の可視化計測, Visualization of concentration field of methane hydrate dissociation in the vicinity of solid-gas surface

第7回メタンハイドレート総合シンポジウム(CSMH-7)　2015/12/02
Trial of Optical Experiment for Precise Visualization of Protein Diffusion Field and Its Evaluation International-presentation

2015年中国工程熱物理学会伝熱伝質学術会議　2015/11/01
Evaluation of Several Dependencies of Protein Diffusion Coefficients by Precise Visualization of Diffusion Field International-presentation

Twelfth International Conference on Flow Dynamcs (ICFD2015)　2015/10/29
Combined Application of Photo-thermal Therapy and Water-cooling System for Treatment of Tumor-bearing Lymph Nodes International-presentation

12th International Conference on Flow Dynamics　2015/10/28
Coupled Photon and Bioheat Transport Simulation for Laser Induced Photothermal Therapy International-presentation

12th International Conference on Flow Dynamics　2015/10/28
Development of Thermistor Probe utilizing Guard Heater for Precise Measurement of Skin Surface Temperature International-presentation

12th International Conference　2015/10/28
Effect of Electric Fields on the Inception of Primary and Secondary Streamers in Water International-presentation

12th International Conference on Flow Dynamics (ICFD-2015), OS17: IFS Collaborative Research Forum (AFI-2015)　2015/10/28
Measurement of Permeability Inside a Methane Hydrate Mimicking Porous Media International-presentation

12th International Conference on Flow Dynamics　2015/10/28
Study on Energy Transport by Radiation and Convection in Large Scale Environment International-presentation

The 15th International Symposium on Advanced Fluid Information (AFI2015)　2015/10/28
高熱流束ヒートシンク実現のためのマイクロ超音速ノズル形状の評価

日本機械学会熱工学コンファレンス2015　2015/10/25
保護熱源を有するサーミスタプローブを用いた加熱材料の高精度・非破壊熱伝導率計測

第36回日本熱物性シンポジウム　2015/10/21
Evaluation of radiation effect to the heat and fluid flow characteristics in the turbulent natural convection of square International-presentation

The 26th International Symposium on Transport Phenomena　2015/09/30
Simultaneous measurement of concentration and flow fields in CO2 absorption process International-presentation

The 26th International Symposium on Transport Phenomena　2015/09/29
Visualization of Concentration Boundary Layer in the Vicinity of Methane Hydrate Dissociation International-presentation

China-Japan Joint Workshop on Flow Dynamics and Transport Phenomena　2015/06/24
模擬メタンハイドレート貯留層内の相変化流動現象可視化計測に関する研究

第52回伝熱シンポジウム　2015/06/05
ふく射要素法を用いたキャビティ内の三次元自然対流ーふく射連成伝熱解析（REM２）

第52回伝熱シンポジウム　2015/06/04
位相シフトエリプソメータによる液滴先行薄膜のナノ計測

第52回伝熱シンポジウム　2015/06/04
非対称縮小拡大ノズルを有するマイクロチャネル内超音速流を用いた高熱流束ヒートシンクの冷却性能の検討

第52回伝熱シンポジウム　2015/06/04
気液界面におけるメタンハイドレートの生成および解離の濃度場計測

第52回伝熱シンポジウム　2015/06/03
高精度温度プローブによる皮膚がんの早期発見手法の検討

第52回伝熱シンポジウム　2015/06/03
Performance Evaluation About Low CO2 Emission Power Generation System Utilizing Ocean Methane Hydrate International-presentation

ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment　2015/05
ナノプラズマ制御技術の創成と局所照射による生体機能制御～水中ストリーマ放電の開始・進展機構～

平成26年度第4回新学術領域研究「プラズマ医療科学の創成」全体会議　2015/03/22
位相シフト干渉計によるメタンハイドレート解離現象の可視化測定

日本機械学会東北支部第50期総会・講演会　2015/03
Development of a Precise Measurement System of Radiative Heat Transfer between Parallel Plates Separated by Close Distances International-presentation

2015 ELyT lab Workshop　2015/02/20
Mass Transfer In Porous Media For An Energy System Utilizing Methane Hydrate International-presentation

2015 ELyT lab Workshop　2015/02/20
大気圧水中放電の形成機構とバイオ応用

東北大学電気通信研究所共同プロジェクト研究会仙台“プラズマフォーラム”　2015/02/20
Mass Transfer Control of Protein by Hindered Diffusion Process International-presentation

2015 Annual ELyT Workshop　2015/02
Nanosecond time-resolved imaging of underwater secondary streamer and the synchronized discharge current （水中二次ストリーマのナノ秒時間分解画像と同期放電電流） International-presentation

第24回日本MRS年次大会　2014/12/11
メタンハイドレートを利用した二酸化炭素低排出発電システムの提案と性能評価解析

第6回メタンハイドレート総合シンポジウム　2014/12/04
メタンハイドレート貯留層を模擬した多孔質体内気液二相流の観察

第6回メタンハイドレート総合シンポジウム　2014/12/03
界面でのメタンハイドレート解離現象の可視化測定

第6回メタンハイドレート総合シンポジウム　2014/12/03
自己加熱サーミスタ法を用いた温熱治療時の皮膚の有効熱伝導率測定

第35回日本熱物性シンポジウム　2014/11/24
高精度熱伝導率測定のためのペルチェモジュールを用いた保護熱板法における二次元軸対称熱伝導解析

第35回日本熱物性シンポジウム　2014/11/22
一定温度加熱による腹部の生体伝熱特性の変化

日本機械学会熱工学コンファレンス　2014/11/09
MEASUREMENT OF DENSITY FIELD OF SUPERSONIC FLOW INSIDE A MICRO-CHANNEL BY PHASE SHIFTING INTERFEROMETER International-presentation

The 25th International Symposium on Transport Phenomena　2014/11/06
NUMERICAL INVESTIGATION ON THERMAL AND HYDRODYNAMICAL BEHAVIOR OF EXPANDING SINGLE BUBBLE IN MICROCHANNEL International-presentation

The 25th International Symposium on Transport Phenomena　2014/11/06
ストリークカメラを用いた水中ストリーマの高時間分解解析

日本機械学会第92期流体工学部門講演会 (JSME FED 2014)　2014/10/26
液滴前方に存在する先行薄膜の光学的二次元可視化計測

機械学会第６回マイクロ・ナノ工学シンポジウム　2014/10/22
Calculation of Turbulent Characteristic of Natural Convection in Parallel Heated Plates at High Rayleigh Number by Large Eddy Simulation International-presentation

11th International Conference on Flow Dynamics　2014/10/09
Instability Analysis of Natural Convection in Closed Cavity Configuration International-presentation

11th International Conference on Flow Dynamics　2014/10/09
Propagation Processes of Primary and Secondary Streamers by Pulsed Discharge in Water International-presentation

11th International Conference on Flow Dynamics (ICFD2014), CS4: IFS Collaborative Research Forum (AFI2014)　2014/10/09
Reduction of Radiative Heat Transfer between Two Metallic Plates due to Interferences International-presentation

11th International Conference on Flow Dynamics　2014/10/09
Short Time and 2D Thickness Measurement by Phase-shifting Techinique and Ellipsometry International-presentation

11th International Conference on Flow Dynamics　2014/10/09
Theoretical and Experimental Studies of Local Heating of Biological Tissue for Laser Therapy International-presentation

11th International Conference on Flow Dynamics　2014/10/09
Density Measurement of Supersonic Air Flow inside a Bumped Micro-channel Using Interferometer International-presentation

11th International Conference on Flow Dynamics　2014/10/08
Dynamics of Liquid Film during Phase Change in a Microchannel International-presentation

11th InternationalConference on Flow Dynamics　2014/10/08
Evaluation on Endothermic Effect of Dissociation in Methane Hydrate Reservoir International-presentation

11th International Conference on Flow Dynamics　2014/10/08
Preliminary evaluation of multiphase flow in artificial sand sediment for gas production from methane hydrate reservoir International-presentation

11th International Conference on Flow Dynamics　2014/10/08
Preliminary Study of Self-heated Thermistor Probe for Non-invasive Medical Diagnosis International-presentation

11th International Conference on Flow Dynamics　2014/10/08
水中正ストリーマの進展開始電圧に及ぼす放電パラメータの影響

2014年度第38回静電気学会全国大会　2014/09/08
マイクロチャネル内相変化伝熱による気泡膨張挙動の数値解析

日本機械学会東北支部第50期秋季講演会　2014/09/05
DEVELOPMENT OF SELF-HEATED THERMISTOR PROBE FOR NON-INVASIVE MEASUREMENT OF EFFECTIVE THERMAL CONDUCTIVITY OF HUMAN TISSUE International-presentation

20th European Conference on Thermophysical Proerties (ECTP)　2014/09/03
THERMAL CONDUCTIVITY MEASUREMENT OF METHANE HYDRATE SEDIMENT UNDER HIGH PRESSURE CONDITION International-presentation

20th European Conference on Thermophysical Proerties (ECTP)　2014/09/03
TEMPERATURE DEPENDENCE MEASUREMENT OF THERMAL CONDUCTIVITY BY GHP METHOD WITH PELTIER MODULE FOR VACUUM INSULATION PANEL International-presentation

20th European Conference on Thermophysical Proerties (ECTP)　2014/09/01
ESTIMATION OF BLOOD PERFUSION RATE AND ITS TEMPERATURE DEPENDENCY IN HUMAN ABDOMINAL AREA UNDER HEATING CONDITION International-presentation

the 15th International Heat Transfer Conference (IHTC-15)　2014/08
REDUCING THERMAL RADIATION BETWEEN PARALLEL PLATES IN THE FAR-TO-NEAR FIELD TRANSITION REGIME International-presentation

the 15th International Heat Transfer Conference (IHTC-15)　2014/08
Quantitative and High-speed Measurement of Temperature Field by Phase-shifting Interferometer International-presentation

The 16th International Symposium on Flow Visualization (ISFV16)　2014/06/25
Role of continuous discharge current for secondary streamer in water International-presentation

International Symposium on Electrohydrodynamics (ISEHD 2014)　2014/06/24
Radiative heat transfer between two semi-infinte parallel plates at the far-to-near field transition regime International-presentation

2nd International Workshop on Nano-Micro Thermal Radiation: Energy, Manufacturing, Materials, and Sensing　2014/06/09
New Approach to Optimizing Pigmented Coatings for Ultraviolet Barrier and Blue Light Protection International-presentation

2nd International Workshop on Nano-Micro Thermal Radiation　2014/06/08
束縛拡散によるタンパク質物質移動制御の可能性に関する研究

第14回日本伝熱学会東北支部学生発表会　2014/05/10
LESを用いた鉛直加熱平行平板間の乱流自然対流伝熱特性及び乱流構造の評価

第51回日本伝熱シンポジウム　2014/05
ナノ粒子制御による紫外線遮蔽膜と青色光保護膜の開発及び最適化

第51回日本伝熱シンポジウム　2014/05
ペルチェモジュールを用いた保護熱板法による真空断熱パネルの熱伝導率温度依存性測定

第51回日本伝熱シンポジウム　2014/05
近接場遷移距離領域における半無限平板間のふく射伝熱

第51回日本伝熱シンポジウム　2014/05
高速位相シフト干渉計の開発と加熱細線周りの非定常熱伝導の高精度可視化計測

第51回日本伝熱シンポジウム　2014/05
高熱流束ヒートシンクのための超音速マイクロチャネル内流れの密度場計測

第51回日本伝熱シンポジウム　2014/05
Dynamics of convection in tilted cavities International-presentation

2014 ELyT lab Workshop　2014/02/20
Interference effects in thermal radiation exchanged between two closely-spaced flat bodies International-presentation

2014 ELyT lab Workshop　2014/02/20
Quantitative Evaluation of Proteins Hindered Diffusion International-presentation

2014 Annual ELyT Workshop　2014/02/20
水中プラズマのストリーマ進展過程

電気学会プラズマ・パルスパワー合同研究会　2012/12/11
Visualization and Measurement of Laminar Natural Convection in Square Enclosure International-presentation

The Third International Forum on Heat Transfer(IFHT2012)　2012/11/14
Experimental Trial to Active Control of Protein Mass Flux in Hindered Diffusion Field International-presentation

23rd International Symposium on Transport Phenomena　2012/11
Temperature Distribution Measurement in Natural Convection around Vertical Heated Flat Plate by Using Inverse Abel Transform and Phase-Shifting Interferometer International-presentation

23rd International Symposium on Transport Phenomena　2012/11
サブマイクロ粒子を用いた波長選択膜のふく射特性

The 33rd Japan Symposium on Thermophysical Properties(JSTP)　2012/10
GPSラジオゾンデを用いた大気放射フラックスの気球観測

The 33rd Japan Symposium on Thermophysical Properties(JSTP)　2012/10
Propagation Process of Streamer Discharge in Water International-presentation

9th International Conference on Flow Dynamics　2012/09/21
Development of Visualization Methods of Streamers in Water International-presentation

12th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration (AFI/TFI-2012)　2012/09/20
水中ストリーマの極微小時空間計測

第36回静電気学会全国大会　2012/09/13
加熱条件下の熱流束測定による生体組織の血液かん流率の推定

日本機械学会2012年次大会 (金沢)　2012/09/09
Estimation of Heat Conduction and Thermal Radiation in Porous Insulation Materials Using Diffuse Approximation International-presentation

Ninth International Conference on Flow Dynamics　2012/09
Estimation of Thermal Conductivity of Biological Tissue by Inverse Analysis International-presentation

Ninth International Conference on Flow Dynamics　2012/09
Evaluation and Analysis of Atmospheric Radiative Energy Transfer International-presentation

the Twelfth International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration　2012/09
Experimentally and Numerically Investigations for Light and Heat Transport inside Biological Tissues International-presentation

The Twelfth International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration　2012/09
Instability of Rayleigh-Benard Convection: Comparison Between Experimental and Numerical Approaches International-presentation

the Twelfth International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration　2012/09
Design of Interferometer System with Phase-shifting Koester Prism International-presentation

Ninth International Conference on Flow Dynamics　2012/09
Effect of Supersonic Micro Nozzle Shaple on the Heat Transfer in a Surface Wall International-presentation

Ninth International Conference on Flow Dynamics　2012/09
Measurement of Radiative Properties of Controlled-Films International-presentation

The Twelfth International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration　2012/09
水中プラズマのストリーマ形成過程

第22回環境工学総合シンポジウム2012　2012/07/06
Mearsurement of Soret Coefficients in Binary Solutions by Phase-Shifting Interferometry International-presentation

10th International Meeting on Thermodiffusion　2012/06
Active Mass Transfer Control in Diffusion Field by Smart Materials International-presentation

ELyT lab Workshop 2012　2012/03
Experimental Trial to Active Control of Mass Transfer in Complex System

Heat Transfer Society of Japan FY2012 Young Researcher Workshop　2012/02
拡散近似を用いた高温多孔質断熱材におけるふく射伝熱評価

The 32nd Japan Symposium on Thermophysical Properties　2011/11/21
点接触式熱物性測定法と逆問題解析を用いた軟質材料及び液体の熱物性評価

The 32nd Japan Symposium on Thermophysical Properties　2011/11/21
Analysis of Axisymmetric Radiative Heat Transfer in Biological Tissue using the Radiation Element Method International-presentation

Eighth International Conference on Flow Dynamics(ICFD)　2011/11/09
Energy Transfer Simulation and Analysis on Mega-scale Environment International-presentation

The Eleventh International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration AFI/TFI 2011　2011/11/09
Evaluation of Radiative Properties of Cr2O3:Fe2O3 Pigment Powder in Solar Spectrum Range using Experimental Diffuse Reflectivity Measurement International-presentation

Eighth International Conference on Flow Dynamics(ICFD)　2011/11/09
Heat Transfer Analysis in a Biological Tissue Exposed o Laser Irradiation International-presentation

The Eleventh International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration AFI/TFI 2011　2011/11/09
Potential for Ocean Fertilization by Perpetual Salt Fountain:Each Basin Estimation of Upwelling Flow Rate International-presentation

Eighth International Conference on Flow Dynamics(ICFD)　2011/11/09
The Effect of Dispersed State to Control of Radiative Properties of Coatings Pigmented with Nanoparticles International-presentation

Eighth International Conference on Flow Dynamics(ICFD)　2011/11/09
Visualization and Measurement of Natural Convection around Vertical Flat Plate by Common Path Phase-Shifting Interferometer International-presentation

22nd International Symposium on Transport Phenomena　2011/11
光学干渉計による物質拡散場および温度境界層の高精度可視化

日本機械学会熱工学コンファレンス2011　2011/10
THEORETICAL STUDY FOR HIGH HEAT FLUX COOLONG BY USING PHASE CHANGE HEAT TRANSFER IN A MICROCHIANNEL International-presentation

the 4th International Conference on Heat Transfer and Fluid Flow in Microscale　2011/09/04
冷媒循環システムを利用した極細クライオプローブによる凍結領域制御

日本機械学会2011年度年次大会　2011/09
VISUALIZATION OF FLOW PATTERNS IN DIFFERENTLY SHAPED COOLING CHANNELS OF PISTONS International-presentation

PSFVIP-8:The 8th Pacific Symposium on Flow Visualization and Image　2011/08/21
Formation and Dissociation of Oceanic Methane Hydrate For a Low CO2 Emission Power Generation System International-presentation

ASME 2011 Power Conference (POWER2011)　2011/07/12
Evaluation of the Concentration Dependency of Mass Diffusion Coefficients in Aqueous Binary Solutions International-presentation

7th International Conference on Diffusion in Solids and Liquids　2011/06
Heat shield performance of Fe2O3 Pigmented coatings by inverse analysis of full spectral reflectivity measurements

48th national heat Transfer Symposium of Japan (2011.6.1-3)　2011/06
高熱流速冷却マイクロチャネル内相変化伝熱の理論解析

第48回日本伝熱シンポジウム講演論文集(2011.6.1-3)　2011/06
高分子化合物の水溶液内物質拡散係数の濃度依存性測定

第48回日本伝熱シンポジウム講演論文集(2011.6.1-3)　2011/06
ピストン冷却チャネル内の流動様相の可視化－チャネルの形状の影響－

第11回日本伝熱学会学生発表会　2011/05
Control of Radiative Properties of Coatings Pigmented with Fe2O3 Nanoparticles International-presentation

AJTEC2011 ASME-JSME 8th Thermal Engineering Joint Conference　2011/03
「界面現象と流体不安定性研究」研究班WG活動報告2010

松本聡, 石塚博弥, Ranganathan Narayanan・Farzam Zoueshtiagh, 鴨谷康弘

第27回宇宙利用シンポジウム　2011/01/24
「界面熱流体システムにおける熱物資輸送現象とその制御」研究班WG活動報告

上野一郎, 木村達人, 塩見淳一郎, 丸山茂夫, 松本聡, 益子岳史

第27回宇宙利用シンポジウム　2011/01/24
微小重力下における極低温流体の挙動解明実験実施の検討

Sangkwon Jeong, Yunghwan Byun, 円山重直

第27回宇宙利用シンポジウム　2011/01/24
レーザー治療における生体組織内の光伝播・熱伝導連成解析

円山重直, 佐藤善幸, 櫻井篤

第23回バイオエンジニアリング講演会　2011/01/08
「界面熱流体システムにおける熱物資輸送現象とその制御」研究班WG活動報告

第27回宇宙利用シンポジウム　2011/01
レーザー治療における生体組織内の光伝播・熱伝導連成解析

第23回バイオエンジニアリング講演会　2011/01
微小重力下における極低温流体の挙動解明実験実施の検討

第27回宇宙利用シンポジウム　2011/01
点接触式熱物性測定法を利用した軟質材量及び液体の熱物性測

眞下央, 岡島淳之介, 高橋一郎, 円山重直

第31回日本熱物性シンポジウム　2010/11/17
Effect of Eddy Diffusivity on the Upwelling Flow Rate of Perpetual Salt Fountain International-presentation

Mikihito Watanabe, Takashi Yabuki, Shigenao Maruyama

The 21st International Symposium on Transport Phenomena　2010/11/02
Oceanic Productivity Enhanced by Perpetual Salt Fountain during Ocean Experiments – Estimation based on Remote Sensing and Numerical Simulation - International-presentation

Takashi Yabuki, Shigenao Maruyama, Mikihito Watanabe

The Seventh International Conference on Flow Dynamics　2010/11/01
The Effect of Capillary Tube on Cooling Performance of Ultrafine Cryoprobe International-presentation

Junnosuke Okajima, Shiganao Maruyama

The Seventh International Conference on Flow Dynamics　2010/11/01
Numerical Study of a Transitional Natural Ventilation Flow Driven by a Line Source Plime with Varied Reynolds Number and Prandtl Number International-presentation

Tae Hattori, Steven W. Armfield, Michael P. Kirkpatrick, Shigenao Maruyama

The Seventh International Conference on Flow Dynamics　2010/11/01
Spectral Radiative Properties of a Polymer Coating Containing Nano-Micro Bubbles International-presentation

Mehdi Baneshi, Shigenao Maruyama

The Seventh International Conference on Flow Dynamics　2010/11/01
Numerical Study of Natural Convection Taking Into Account Radiation between Walls International-presentation

Khosro Lari, Mehdi Baneshi, Shigenao Maruyama

The Seventh International Conference on Flow Dynamics　2010/11/01
Diatoms, Diffusion and Membranes International-presentation

Gary Rosengarten

The Tenth International Symposimu on Advanced Fluid Information and Transdisciplinary Fluid Integration　2010/11/01
On Location of a Load in a Radiant Furnace for Uniform Thermal Conditions Using REM2 and Micro-Genetic Algorithm International-presentation

Ramchandra P. Chopade, Subhash C. Mishra, P. Mahanta, Shigenao Maruyama

The Tenth International Symposimu on Advanced Fluid Information and Transdisciplinary Fluid Integration　2010/11/01
Energy Transfer Simulation and Analysis on Mega-Scale Environment International-presentation

Noboru Yamada, Atsushi Sakurai, Shigenao Maruyama

The Tenth International Symposimu on Advanced Fluid Information and Transdisciplinary Fluid Integration　2010/11/01
Measurement of the Concentration Dependency of Mass Diffusion Coefficients in Aqueous Binary Solutions by Phase-Shifting Interferometer International-presentation

Juan Felipe Torres Alvarez, Junnosuke Okajima, Shigenao Maruyama

The Ninth Asian Thermophysical Properties Conference　2010/10/19
ピストンクーリングチャネル内流動の可視化

守谷修一, 小針達也, 小坂誠二, 仲野是克, 円山重直

自動車技術会学術講演会2010年秋季大会　2010/09/29
An Investigation of Concentration Dependency of Mass Diffusion Coefficients in Multi-Component Diffusion International-presentation

Juan Felipe Torres Alvarez, Junnosuke Okajima, Shuichi Moriya, Shigenao Maruyama, Masud Behnia

The 14th International Heat Transfer Conference　2010/08/09
Cooling Characteristics of Ultrafine Cryoprobe Utilizing Convective Boiling Heat Transfer in Microchannel International-presentation

Junnosuke Okajima, Shigenao Maruyama, Hiroki Takeda, Sangkwon Jeong

The 14th International Heat Transfer Conference　2010/08/09
Numerical Study of 3D Nonlinear Disturbance Growth in Transitional Natural Convection International-presentation

Tilek Aberra, Steven W. Armfield, Masud Behnia, Shigenao Maruyama

The 14th International Heat Transfer Conference　2010/08/09
Evaluation of the Effect of Gravity Force on Transient Mass Diffusion Fields International-presentation

Shigenao Maruyama

The 38th Committee on Space Research (COSPAR10)　2010/07/18
Aesthetic and Thermal Performances of Black Cupric Oxide and Titanium Dioxide Nano-Paarticlate Coatings International-presentation

Mehdi Baneshi, Shigenao Maruyama

The 6th International Symposium on Radiative Transfer　2010/06/13
皮膚凍結手術における組織致死温度の測定と評価

武田洋樹, 岡島淳之介, 相場節也, 円山重直

第47回日本伝熱シンポジウム　2010/05/23
極細クライオプローブ内における冷媒の沸騰伝熱過程の解析

岡島淳之介, 武田洋樹, Sangkwon Jeong, 円山重直

第47回日本伝熱シンポジウム　2010/05/23
ナノ粒子散布による地球温暖化防止策の提案と粒子の最適化

円山重直, 長山岳史

第47回日本伝熱シンポジウム　2010/05/23
The effect of copper and copper oxide pigment particles on aesthetic and thermal characteristics of pigmented coating

Mehdi Baneshi, Shigenao Maruyama

第47回日本伝熱シンポジウム　2010/05/23
高精度腹部温熱制御機器による温熱治療の評価

眞下央, 円山重直, 関隆志, 山家智之

第10回日本伝熱学会学生発表会　2010/05/07
位相シフト干渉計を用いた自然対流場の温度分布測定

庄司衛太, 円山重直

第10回日本伝熱学会学生発表会　2010/05/07
TiO2ナノ粒子群機能膜のふく射特性に関する研究

江目宏樹, Mehdi BANESHI, 小宮敦樹, 円山重直

日本機械学会東北支部第45期総会・講演会　2010/03/12
海洋実験及び海洋観測データによる永久塩泉の可能性

渡邉幹仁, 矢吹崇, 小宮敦樹, 円山重直

日本機械学会東北支部第45期総会・講演会　2010/03/12
Thermal Therapy by the Abdominal Heater Utilizing Heat Transfer Control Technique International-presentation

Shigenao Maruyama, Hiroshi Mashimo, Atsuki Komiya, Takashi Seki, Tomoyuki Yambe

The 15th International Congress of Oriental Medicine　2010/02/26
温熱治療における携帯腹部温熱制御機器の開発と評価

眞下央, 円山重直, 小宮敦樹, 関隆志, 山家智之

第13回日本統合医療学会　2009/11/21
A Proposal of Low CO2 Emission Power Generation System Utilizing Oceanic Methane Hydrate International-presentation

S. Maruyama, M. Chisaki, A. Komiya, R. Shirakashi

International Conference on Power Engineering-09　2009/11/16
Experimental Trial to Determine Mass Diffusion Coefficients in Multi-component System International-presentation

A. Komiya, J. F. Torres, J. Okajima, S. Maruyama

7th Pacific Symposium on Flow Visualization and Image Processing　2009/11/16
ナノ粒子散布による地球冷却の可能性

円山重直, 長山岳史, 小宮敦樹

日本機械学会熱工学コンファレンス2009　2009/11/07
Energy Transfer Simulation and Analysis on Mega-scale Environment International-presentation

N. Yamada, A. Sakurai, A. Komiya, S. Maruyama

The Ninth International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration　2009/11/04
In Situ Observation and Remote Sensing during Ocean Experiments of Perpetual Salt Fountain International-presentation

T. Yabuki, S. Maruyama, M. Watanabe, A. Komiya

The Ninth International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration　2009/11/04
The Investigation into the Effect of Using Different Nano-micro Metallic Powders on Sunlight Reflectivity of Pigmented Coatings International-presentation

M. Baneshi, S. Maruyama, A. Komiya

Sixth International Conference on Flow Dynamics　2009/11/04
Measurement of Thermophysical Properties of Freezing Skin Using Peltier Modules for Cryosurgery International-presentation

H. Takeda, D. Fingas, J. Okajima, A. Komiya, S. Maruyama

Sixth International Conference on Flow Dynamics　2009/11/04
Visualization of Absorption Process of Carbon Dioxide into Alkanolamine Solutions at Gas-liquid Surface International-presentation

A. Komiya, K. Maruta, Y. Nakano, H. Nakamura

Sixth International Conference on Flow Dynamics　2009/11/04
ナノ粒子群を用いた機能膜のふく射特性

江目宏樹, Mehdi Baneshi, 円山重直, 小宮敦樹

第30回日本熱物性シンポジウム講演論文集　2009/10/28
位相シフト干渉計を用いた多成分系非定常拡散場の計測と逆問題解析による物質拡散係数および濃度比の導出

Juan F. Torres, 小宮敦樹, 岡島淳之介, 円山重直

第30回日本熱物性シンポジウム講演論文集　2009/10/28
Precise and Rapid Cooling of Skin Tissue for Cryosurgery Utilizing Peltier Effect in Extremely Low Temperature International-presentation

H. Takeda, J. Okajima, S. Aiba, A. Komiya, S.C. Mishra, S. Maruyama

The 7th World Conference on Experimental Heat Transfer　2009/06/28
Boiling Heat Transfer in Small Channel for Development of Ultrafine Cryoprobe International-presentation

J. Okajima, S. Maruyama, A. Komiya

The 7th World Conference on Experimental Heat Transfer　2009/06/28
Measurement of Mass Diffusion Coefficient of Multi-Component Systems in Aqueous Media by Phase Shifting Interferometer International-presentation

A. Komiya, J. F. Torres, J. Okajima, S. Maruyama

The 5th International Conference on Diffusion in Solids and Liquids　2009/06/24
Comparison of Spectral Radiative Properties of Different Titanium Dioxide Powders in Absorbing Host Medium

Mehdi Baneshi, Shigenao Maruyama, Atsuki Komiya

The 46th National Heat Transfer Symposium of Japan　2009/06/02
生体組織を用いたペルチェクライオプローブによる高精度凍結手術の研究

武田洋樹, 相場節也, 小宮敦樹, 円山重直

第46回日本伝熱シンポジウム　2009/06/02
極細クライオプローブ開発のための沸騰伝熱基礎実験

岡島淳之介, 円山重直, 小宮敦樹

第46回日本伝熱シンポジウム　2009/06/02
波長選択性を有したナノ粒子群機能膜のふく射特性に関する研究

江目宏樹, 円山重直, Mehdi Baneshi, 小宮敦樹

第9回日本伝熱学会学生発表会　2009/05/08
位相シフト干渉計を用いた三成分系非定常拡散場の計測と逆問題による物質拡散係数の導出

Juan F. Torres, 小宮敦樹, 円山重直

第9回日本伝熱学会学生発表会　2009/05/08
逆問題解析によるタンパク質物質拡散係数導出法と広域緩衝液の影響

日本熱物性学会「マイクロ・ナノスケールの熱物性とシステムデザイン」　2009/04/27
逆問題解析による物質拡散係数導出法とタンパク質拡散現象に及ぼす広域緩衝液の影響

新潟大学VBL特別講演会　2009/03/24
温度制御された黒体炉とふく射伝熱解析による放射温度計の高精度計測

小笠原直也, 円山重直, 小宮敦樹

日本機械学会東北支部第44期総会・講演会　2009/03/13
海洋深層水汲み上げのための係留パイプ系の設計－流線型パイプの導入－

矢吹崇, 知崎正純, 小宮敦樹, 円山重直

日本機械学会東北支部第44期総会・講演会　2009/03/13
多成分系拡散場の高精度計測と宇宙環境の利用

小宮敦樹, Juan F. Torres, 円山重直, 岡島淳之介

日本航空宇宙学会北部支部2009年講演会、第10回再使用型宇宙推進系シンポジウム　2009/03/11
Heat-transfer Control of Biological Tissue Utilizing Non-equilibrium Thermo-electric Device for Precise Cryosurgery

S. Maruyama, H. Takeda, A. Komiya

The 35 th Annual Meeting of the Japan Society for Low Temperature Medicine　2008/11/22
Simple yet Precise Calibration Method of Thermometers for Measuring the Temperature of Biological Tissue International-presentation

N. Ogasawara, S. Maruyama, A. Komiya, H. Takeda, T. Seki, T. Yambe

Fifth International Conference on Flow Dynamics　2008/11/17
Determination Method of Concentration Dependency of Mass Diffusion Coefficient by Phase Shifting Interferometer and Inverse Method International-presentation

J. Okajima, A. Komiya, S. Maruyama

Fifth International Conference on Flow Dynamics　2008/11/17
Evaluation of the Peltier Cryoprobe Availability through Animal Experiments International-presentation

H. Takeda, S. Aiba, J. Okajima, A. Komiya, S. Maruyama

Fifth International Conference on Flow Dynamics　2008/11/17
Laminar Plane Free-fountains in a Homogeneous Fluid International-presentation

N. Srinarayana, A. Komiya, S. Armfield, M. Behnia, S. Maruyama

Fifth International Conference on Flow Dynamics　2008/11/17
Comparison between Optimized Iron Oxide and Titanium Dioxide Pigmented Coatings both Thermally and Aesthetically International-presentation

M. Baneshi, S. Maruyama, A. Komiya

Fifth International Conference on Flow Dynamics　2008/11/17
微小重力環境下での非定常拡散場高精度計測

円山重直, 小宮敦樹

日本航空宇宙学会西部支部講演会　2008/11/14
The Effect of Particle Size Distribution on Performance of a Pigmented Coating Considering both Thermal and Aesthetic Effects International-presentation

M. Baneshi, S. Maruyama, A. Komiya

The Seventh JSME-KSME Thermal and Fluids Engineering Conference　2008/10/13
位相シフト干渉計を用いた濃度計測と逆問題解析による物質拡散係数の導出

岡島淳之介, 小宮敦樹, 円山重直

第29回日本熱物性シンポジウム　2008/10/08
A Comparison for Diffusion Process of Artificial Upwelling of Nutrient-rich Seawater Simulation by κ-ε Model and Large Eddy Simulation International-presentation

M. Chisaki, S. Maruyama, M. Perrette, A. Komiya, T. Yabuki

The Second International Forum on Heat Transfer　2008/09/17
Development of Precise Heat Transfer Control Devices for Thermal Therapy International-presentation

S. Takashima, N. Ogasawara, S. Maruyama, A. Komiya, T. Seki, T. Yambe

The Second International Forum on Heat Transfer　2008/09/17
Estimation of Concentration Dependency of Mass Diffusion Coefficient by Conjugate Gradient Method International-presentation

A. Komiya, J. Okajima, S. Maruyama, S. Moriya

18th European Conference on Thermophyhsical Properties　2008/08/31
Precise Control of Cooling and Heating Rate Utilizing Peltier Cryoprobe for Cryosurgery International-presentation

Hiroki Takeda, Shigenao Maruyama, Junnosuke Okajima, Setsuya Aiba, Atsuki Komiya

19th International Symposium on Transport Phenomena　2008/08/17
Visualization of Upwelled Saline Flow and Its Transition Behaviour from Steady to Oscillatory Regimes International-presentation

Atsuki Komiya, Nicholas Williamson, Nari Srinarayana, Masud Behnia, Steven Armfield, Shigenao Maruyama

19th International Symposium on Transport Phenomena　2008/08/17
Optimization of Pigmented Coating Considering Thermal and Aesthetic Effects: Comparison between Some Common White Pigments

M.Baneshi, S.Maruyama, A. Komiya

Proceedings of Mechanical Engineering Congress, 2008 Japan(MECJ-08)　2008/08
Possibility of Micro-cryosurgery Utilizing Cooling Needle International-presentation

J. Okajima, A. Komiya, H. Takeda, S. Maruyama

Proceedings of the XVIth International Conference on Mechanics in Medicine and Biology　2008/07
Visualization of Transient Concentration Field in Process of Carbon Dioxide Absorption at Gas-liquid Surface International-presentation

A. Komiya, K. Maruta, Y. Nakano, T. Hashida

Proceedings of International Symposium on Flow Visualization　2008/07
温熱療法に向けたふく射加熱装置の伝熱制御による性能評価

小笠原直也, 圓山重直, 高島茂, 小宮敦樹, 関隆志, 山家智之

第8回日本伝熱学会東北支部学生発表会講演論文集　2008/05
微小凍結手術用冷却針による生体組織凍結現象の解析

岡島淳之介, 武田洋樹, 小宮敦樹, 圓山重直

第45回日本伝熱シンポジウム講演論文集　2008/05
永久塩泉による管内湧昇量の予測法の提案

佐藤鉄哉, 知崎正純, 小宮敦樹, 圓山重直

第45回日本伝熱シンポジウム講演論文集　2008/05
ペルチェクライオプローブを用いた伝熱制御および凍結領域の制御に関する研究

武田洋樹, 圓山重直, 岡島淳之介, 小宮敦樹, 相場節也

第45回日本伝熱シンポジウム講演論文集　2008/05
ふく射加熱装置を用いた熱流束制御による温熱療法への応用

小笠原直也, 圓山重直, 高島茂, 小宮敦樹, 関隆志, 山家智之

第45回日本伝熱シンポジウム講演論文集　2008/05
Development of Precise-temperature- controlled Cooling Apparatus for Medical Application by Using Peltier Effect International-presentation

S. Maruyama, A. Komiya, H. Takeda

Proceedings of 2008 International Conference on BioMedical Engineering and Informatics　2008/05
逆問題解析による濃度依存性を考慮した物質拡散係数導出法の検討

岡島淳之介, 小宮敦樹, 圓山重直

日本機械学会東北支部第43期総会・講演会講演論文集　2008/03
腹部温熱制御機器を用いた温熱療法の伝熱制御

高島茂, 圓山重直, 小宮敦樹, 小笠原直也, 関隆志, 山家智之

日本機械学会東北支部第43期総会・講演会講演論文集　2008/03
Precise Temperature Control and Heat Flux Measurement of the Radiation Heater for Thermal Therapy International-presentation

Naoya Ogasawara, Shigenao Maruyama, Shigeru Takashima, Atsuki Komiya, Takashi Seki, Tomoyuki Yambe

The Seventh International Symposium on Advanced Fluid Information and The Fourth International Symposium on Transdisciplinary Fluid Integration　2007/12/14
Numerical Simulation of Upwelling Flow in Pipe Generated by Perpetual Salt Fountain International-presentation

Tetsuya Sato, Shigenao Maruyama, Atsuki Komiya, Koutaro Tsubaki

16th Australasian Fluid Mechanics Conference　2007/12/03
炭素ガス吸収過程における気－液界面近傍濃度場の不安定性

小宮敦樹, 丸田薫, 仲野是克, 橋田俊之

日本機械学会熱工学コンファレンス　2007/11
ペルチェクライオプローブによる凍結手術の能動伝熱制御に関する研究

武田洋樹, 圓山重直, 相場節也, 小宮敦樹, 高島茂

日本伝熱学会東北支部平成19年度秋季伝熱セミナー　2007/10
共役勾配法による濃度依存性を考慮した物質拡散係数の導出

小宮敦樹, 岡島淳之助, 圓山重直

第28回日本熱物性シンポジウム　2007/10
Evaluation of the Relation between Frozen Regions and Heat Transfer Coefficient of Cooling Needle International-presentation

J. Okajima, S. Maruyama, A. Komiya

Fourth International Conference on Flow Dynamics　2007/09
Comparison of Phase Function of Small Particles and Bubbles by Ray Tracing and Mie Theory International-presentation

M. Baneshi, S. Maruyama, A. Komiya

Fourth International Conference on Flow Dynamics　2007/09
Measurement of Heat Flux Emitted by Radiation Heater for Thermal Therapy International-presentation

N. Ogasawara, S. Takashima, S. Maruyama, A. Komiya, T. Seki, T. Yambe

Fourth International Conference on Flow Dynamics　2007/09
Prediction of Frozen Region by Numerical Simulation During Cryosurgery Utilizing Peltier Cryoprobe International-presentation

H. Takeda, S. Maruyama, S. Aiba, A. Komiya

Fourth International Conference on Flow Dynamics　2007/09
Spatial-high-resolution Measurement of Diffusion Field for Evaluation of Concentration Dependency of Diffusion Coefficient International-presentation

A. Komiya, S. Maruyama, S. Moriya

The 8th Asian Thermophysical Properties Conference　2007/08
Phonon Transport Simulation for Nano/micro Scale Heat Conduction International-presentation

A. Sakura, S. Maruyama, K. Miyazaki, A. Komiya

The 8th Asian Thermophysical Properties Conference　2007/08
溶液中への炭酸ガス吸収過程における表面近傍対流の影響

小宮敦樹, 丸田薫, 仲野是克, 橋田俊之

日本流体力学会年会2007　2007/08
Development of Precise Visualization System for Small Transient Diffusion Field of Protein Using Phase Shifting Interferometer International-presentation

A. Komiya, S. Maruyama, S. Moriya

ASME-JSME Thermal Engineering and ASME Summer Heat Transfer Conference　2007/07
Precise Control of Frozen Region During Cryosurgery Utilizing Peltier Effect International-presentation

H. Takeda, S. Maruyama, S. Aibe, A. Komiya

ASME-JSME Themal Engineering and ASME Summer Heat Transfer Conference　2007/07
Three-Dimensional Nongray Radiateve Heat Transfer In Conjunction With Turbulent Natural Convection Using Dorem And LES International-presentation

A. Sakurai, S. Maruyama, M. Behnia, A. Komiya, T. Kawabe

Fifth International Symposium on Radiative Transfer　2007/06/17
腹部温熱制御機器による生体内非定常温度分布の数値解析

高島茂, 圓山重直, 武田洋樹, 岡島淳之助, 小宮敦樹, 関隆志, 山家智之

第7回日本伝熱学会東北支部学生発表会　2007/05
腹部温熱制御機器を用いた生体内伝熱に関する研究

圓山重直, 高島茂, 武田洋樹, 岡島淳之助, 小宮敦樹, 関隆志, 山家智之

第44回日本伝熱シンポジウム　2007/05
拡散係数測定による溶液中への CO2 吸収メカニズムに関する研究

鈴木孝啓, 小宮敦樹, 丸田薫, 仲野是克, 橋田俊之

第44回日本伝熱シンポジウム　2007/05
フォノン放射輸送方程式を用いたナノ・マイクロスケール熱伝導シミュレーション

櫻井篤, 圓山重直, 宮崎康次, 小宮敦樹

第44回日本伝熱シンポジウム　2007/05
Analytical Study of Temperature Distribution in Biological Tissue International-presentation

J. Okajima, S. Maruyama, A. Komiya

The 15th International Conference on Mechanics in Medicine and Biology　2006/12
振動する突起付き垂直板からの自然対流熱伝達促進

佐藤鉄哉, 円山重直, 小宮敦樹

日本機械学会熱工学コンファレンス2006　2006/11
細線形状記憶合金を利用した人工筋肉の繰返し動作評価

伊吹竜太, 円山重直, 小宮敦樹, 山家智之

日本機械学会熱工学コンファレンス2006　2006/11
Micro-Scale Heat Transport Modeling Using Equation of Phonon Radiative Transfer International-presentation

A. Sakurai, S. Maruyama, K. Miyazaki, A. Komiya

Third International Conference on Flow Dynamics　2006/11
Solution of Bio-heat Transfer Equation during Thermal Therapies International-presentation

J. Okajima, S. Maruyama, A. Komiya

Third International Conference on Flow Dynamics　2006/11
Evaluation of 1-D Discrete Ordinates Radiation Element Method for Radiative Heat Transfer in Anisotropic Scattering Media International-presentation

H. Nakai, S. Maruyama, A. Sakurai, A. Komiya

Third International Conference on Flow Dynamics　2006/11
Natural Convective Heat Transfer from Vertical Baffled Plate with Oscillation International-presentation

T. Sato, S. Maruyama, A. Komiya

Third International Conference on Flow Dynamics　2006/11
Inactivation of Brain Function Utilizing Rapid Cooling Probe Applied to Brain Mapping International-presentation

H. Takeda, S. Maruyama, A. Komiya, T. Yambe, N. Nakasato

Third International Conference on Flow Dynamics　2006/11
タンパク質拡散現象に及ぼす広域緩衝液の影響評価

小宮敦樹, 円山重直, 守谷修一

第27回日本熱物性シンポジウム　2006/10
Brain Mapping Method Utilizing Rapid Cooling Probe International-presentation

S. Maruyama, H. Takeda, A. Komiya, T. Yambe, N. Nakasato

The 17th International Symposium on Transport Phenomena　2006/09
Conjugate Simulation of Nongray Radiative Heat Transfer and Natural Convection in a Participating Media Using DOREM, REM2, and LES International-presentation

A. Sakurai, S. Maruyama, M. Behnia, A. Komiya, S. Sakai

International Symposium on Turbulence, Heat and Mass Transfer 5　2006/09
Design of Plate-type Actuator Using SMA Wire for Assistant Artificial Heart Muscle International-presentation

R. Ibuki, S. Maruyama, A. Komiya, T. Yambe

Proceedings of International Joint Conference of INABIO/SMEBA 2006　2006/09
Measurement of Mass Diffusion Coefficient of Micro Quantity Proteins Using Phase Shifting Interferometer International-presentation

A. Komiya, S. Maruyama, S. Moriya

The 13th International Heat Transfer Conference　2006/08
Theoretical analysis of critical Marangoni number for oscillatory flows with high Prandtl number fluids International-presentation

S. Yoda, S. Matsumoto, A. Komiya

COSPAR　2006/07
三次元ふく射伝熱解析のための離散方位ふく射要素法(DOREM)の提案

櫻井篤, 円山重直, 小宮敦樹

第43回日本伝熱シンポジウム　2006/06
非定常拡散場の局所計測による物質拡散係数の濃度依存性評価

小宮敦樹, 円山重直, 守谷修一

第43回日本伝熱シンポジウム　2006/06
ペルチェ効果を用いた能動伝熱制御による凍結手術用装置

武田洋樹, 円山重直, 相場節也, 小宮敦樹

第43回日本伝熱シンポジウム　2006/06
多分散水滴群のふく射伝熱における単分散近似手法の評価

中居裕貴, 円山重直, 櫻井篤, 小宮敦樹

第43回日本伝熱シンポジウム　2006/06
永久塩泉による管内自然対流の数値シミュレーション

円山重直, 佐藤鉄哉, 小宮敦樹, 椿耕太郎

第43回日本伝熱シンポジウム　2006/06
微小生体組織の凍結領域制御に関する研究

岡島淳之介, 円山重直, 小宮敦樹

第6回日本伝熱学会東北支部学生発表会　2006/05
Natural Convection and Radiative Heat Transfer of an Enclosure Containing a Participating Medium Using REM2 and LES International-presentation

A. Sakurai, M. Behnia, S. Maruyama, A. Komiya, S. Sakai

Eurotherm78 – Computational Thermal Radiation in Participating Media II　2006/04
Precise Heat Transfer Control for Medical Application Using Peltier Effect International-presentation

S. Maruyama, A. Komiya, R. Ibuki, K. Nakagawa, H. Takeda

Fifth International Symposium on Advanced Fluid Information －IFS-JAXA Joint Symposium－ AFI-2005　2005/12
改良型位相シフト干渉計を用いたタンパク質物質拡散係数の測定

小宮敦樹, 円山重直, 守谷修一

第26回日本熱物性シンポジウム　2005/11
水粒子の散乱吸収特性データベースの構築

円山重直, 中居裕貴, 小宮敦樹

第26回日本熱物性シンポジウム　2005/11
Combined Heat Transfer of Convection and Radiation Using LES and REM2 International-presentation

A. Sakurai, M. Behnia, S. Maruyama, A. Komiya, S. Sakai

Second International Conference on Flow Dynamics　2005/11
Development of a Simple Structured Artificial Muscle Using SMA Wire International-presentation

R. Ibuki, S. Maruyama, A. Komiya

Second International Conference on Flow Dynamics　2005/11
熱電素子を用いたマイクロクライオプローブ

中川和人, 円山重直, 小宮敦樹

第39回日本生体医工学会東北支部大会　2005/10
脳冷却による脳機能マッピング

武田洋樹, 円山重直, 小宮敦樹, 山家智之, 中里信和

第39回日本生体医工学会東北支部大会　2005/10
Development of an Optical Visualization System for Small Transient Diffusion Fields International-presentation

A. Komiya, S. Maruyama

5th Pacific Symposium on Flow Visualization and Image Processing　2005/09/26
In-Situ Measurement of Small Diffusion Field Using Phase- Shifting Interferometer International-presentation

S. Maruyama, A. Komiya

5th Pacific Symposium on Flow Visualization and Image Processing　2005/09/26
熱電運動素子を用いた人工筋肉の拍動動作性能評価

伊吹竜太, 円山重直, 小宮敦樹

第42回日本伝熱シンポジウム　2005/06
脳機能検診用冷却装置の開発

円山重直, 武田洋樹, 小宮敦樹, 山家智之, 中里信和

第42回日本伝熱シンポジウム　2005/06
微細粒子の散乱吸収特性に関するデータベースの構築

中居裕貴, 円山重直, 小宮敦樹

第5回日本伝熱学会東北支部学生発表会　2005/05
Development of Precise Visualization System for Minimal Diffusion Field Using Optical Interferometer

International Workshop on Measurement and Diagnosis of Heat Transfer and Fluid Flow Systems　2005/04/22
ヒト死体鼓膜温・外耳道温の冷却動態の解析

金涌佳雅, 金武潤, 境純, 橋谷田真樹, 舟山眞人, 汐崎徹, 小宮敦樹, 円山重直

日本法医学会　2005/04/20
Visualization of Minimal Transient Diffusion Field and Measurement of Mass Diffusion Coefficients International-presentation

A. Komiya, S. Maruyama, K. Mori

6th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics　2005/04
Cooling Performance of Flexible Cryoprobe Using Peltier Effect International-presentation

S. Maruyama, K. Nakagawa, A. Komiya

6th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics　2005/04
Dynamics of the Fluid in the Vicinity of the Solid-liquid-gas Boundary Line (‘Contact Line’) International-presentation

I. Ueno, A. Komiya, T. Watanabe

6th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics　2005/04
Estimation of Upwelling by the Perpetual Salt Fountain for Sea Planting International-presentation

K. Tsubaki, S. Maruyama, H. Mitsugashira, A. Komiya

6th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics　2005/04
Creation of Ocean Forest by Upwelling of Deep Seawater Using Perpetual Salt Fountains International-presentation

K. Tsubaki, S. Maruyama, H. Mitsugashira, X. R. Zhang, A. Komiya

Oceans'04 MTS / IEEE Techno-Ocean'04　2004/11/09
酸素／二酸化炭素燃焼法を用いた二酸化炭素回収型高効率発電プラントのシステム検討

円山重直, 阿部一幾, 丸田薫, 小宮敦樹

日本機械学会熱工学コンファレンス2004　2004/11
医療応用微小運動素子の精密伝熱制御

円山重直, 邵龍, 小宮敦樹

日本機械学会熱工学コンファレンス2004　2004/11
極小非定常拡散場の形成と高精度物質拡散係数の測定

小宮敦樹, 円山重直, 森健太郎

第25回日本熱物性シンポジウム　2004/10
A New Simple Approach for Calculating The Optical Constants of A Clear Glass Window From 0.19 to 5μm International-presentation

M. Khoukhi, S. Maruyama, S. Bosi, A. Komiya, M. Behnia

29th Annual National Conference of the Solar Energy Society of Canada Inc.　2004/08/21
界面温度分布を考慮したマランゴニ振動流遷移条件の検討

小宮敦樹, 松本聡, 依田眞一

第41回日本伝熱シンポジウム　2004/05
低Pr数流体の液柱マランゴニ対流遷移現象

松本聡, 小宮敦樹, 林田均, 依田眞一, 夏井秀定, 今石宣之

第41回日本伝熱シンポジウム　2004/05
液滴振動法による表面張力測定における振幅の影響

小野寺博樹, 松本聡, 小宮敦樹, 石川毅彦, Paul-Francois Paradis, 依田眞一, 若島健司

第41回日本伝熱シンポジウム　2004/05
液柱マランゴニ対流の振動流遷移条件の検討

小宮敦樹, 松本聡, 依田真一

宇宙航空研究開発機構宇宙科学研究本部第20回宇宙利用シンポジウム　2004/01
Modeling of Transition Mechanism to Oscillatory Marangoni Flow in a Liquid Bridge International-presentation

A. Komiya, S. Matsumoto, S. Yoda

42nd AIAA Aerospace Sciences Meeting & Exhibit　2004/01
低プラントル数流体のマランゴニ対流の振動流遷移現象

林田均, 松本聡, 小宮敦樹, 依田真一, 夏井秀定, 今石宣之

宇宙航空研究開発機構宇宙科学研究本部第20回宇宙利用シンポジウム　2004/01
液滴の大変形挙動に関する研究

小野寺博樹, 松本聡, 小宮敦樹, 石川毅彦, Paul-Francious Paradis, 依田真一

宇宙航空研究開発機構宇宙科学研究本部第20回宇宙利用シンポジウム　2004/01
Study on the Transition Mechanism of Thermocapillary Convection in a Liquid Bridge International-presentation

A. Komiya, S. Matsumoto, S. Yoda

10th International Space Conference of Pacific-basin Societies　2003/12/10
液柱マランゴニ対流振動流遷移のモデル化

小宮敦樹, 松本聡, 依田真一

日本機械学会熱工学コンファレンス2003　2003/11
低プラントル数流体の液柱マランゴニ振動流遷移過程

松本聡, 小宮敦樹, 林田均, 夏井秀定, 安廣祥一, 今石宣之

日本機械学会熱工学コンファレンス2003　2003/11
液柱マランゴニ対流における振動流遷移メカニズム

小宮敦樹, 松本聡, 依田真一

第40回日本伝熱シンポジウム　2003/05
低プラントル数流体におけるマランゴニ対流振動流遷移

松本聡, 林田均, 小宮敦樹, 依田真一

第40回日本伝熱シンポジウム　2003/05
Effect of Circumstance Temperature upon Marangoni Convection in a Liquid Bridge International-presentation

A. Komiya, S. Matsumoto, S. Yoda

Sixth Japan-Canada Workshop on Space Technology　2002/11/18
シリコーンオイルの表面張力および動粘性係数に関する検討

小宮敦樹, 松本聡, 林田均, 依田真一, 福山誠二郎

日本マイクログラビティ応用学会第18回学術講演会　2002/10
Pr=0.01流体のマランゴニ対流実験研究(5) –温度計測による振動流遷移過程の検討-

林田均, 夏井秀定, 松本聡, 小宮敦樹, 依田真一

日本マイクログラビティ応用学会,第18回学術講演会　2002/10
Pr=0.01流体のマランゴニ対流実験研究(6) –超音波による溶融金属内部流れ計測用トレーサ粒子の開発-

夏井秀定, 小宮敦樹, 上薗剛, 尾前宏, 袖山研一, 福室直樹, 松本聡, 林田均, 依田真一

日本マイクログラビティ応用学会第18回学術講演会　2002/10
微小非定常拡散場における外力の影響

小宮敦樹, 円山重直

第39回日本伝熱シンポジウム　2002/05
航空機実験用制振システム装置の開発

円山重直, 大野健太郎, 小宮敦樹, 酒井清吾

日本機械学会熱工学コンファレンス2001　2001/11
微小重力環境における物質拡散係数の短時間計測

小宮敦樹, 円山重直, 大野健太郎, 森健太郎

日本マイクログラビティ応用学会第17回学術講演会　2001/10
Visualization and Measurement of Transient Diffusion Field under the Microgravity International-presentation

A. Komiya, S. Maruyama, S. Sakai

First International Symposium on Advanced Fluid Information　2001/10
微小重力場における非定常拡散場の計測

小宮敦樹, 円山重直, 大野健太郎

第38回日本伝熱シンポジウム　2001/05
Influence of Gravity upon Transient Diffusion Fields of Aqueous Solutions International-presentation

A. Komiya, S. Maruyama, S. Sakai, K. Tsukamoto

2nd Pan-Pacific Basin Workshop on Microgravity Sciences　2001/05
微小非定常拡散セルを用いた物質拡散係数の短時間測定

円山重直, 小宮敦樹, 酒井清吾

第21回日本熱物性シンポジウム　2000/10
臨界流体中の温度伝搬と対流不安定性

吉原正一, 石井孝治, 大西充, 比江島俊彦, 東久雄, 小宮敦樹, 圓山重直

日本マイクログラビティ応用学会　2000/10
位相シフト干渉計を用いた微小非定常拡散場の短時間計測

円山重直, 小宮敦樹, 塚本勝男

第37回日本伝熱シンポジウム　2000/05
Measurement of Transient Double Diffusive Convection and Crystal Growth Using Real-Time Phase-Shifting Interferometer International-presentation

S. Maruyama, K. Takahashi, A. Komiya, M. Behnia

Symposium on Energy Engineering in the 21st Century (SEE 2000)　2000/01
位相シフト干渉計による微小非定常拡散場と物質拡散係数の短時間計測

円山重直, 小宮敦樹, 郭志雄

第36回日本伝熱シンポジウム　1999/05
Accurate Measurement of Mass Diffusion Field and Diffusion Coefficient Using Real-time Phase-shift Interferometer International-presentation

S. Maruyama, A. Komiya, T. Shimoyama

2nd Pacific Symposium on Flow Visualization and Image Processing　1999/05
Measurement of Diffusion Field and Crystal Growth Rate From Solution in Microgravity and Normal Gravity International-presentation

S. Maruyama, J. Yabana, N. Sumi, A. Komiya, K. Tsukamoto, K. Shimizu, M. Fujishima

Joint 1st Pan-Pacific Basin Workshop and 4th Japan-China Workshop on Microgravity Sciences　1998/07
位相シフト干渉計とスライド式セルを用いた物質拡散係数の測定

円山重直, 小宮敦樹, 矢花純, 塚本勝男

第35回日本伝熱シンポジウム　1998/05
リアルタイム位相シフト干渉計を用いた物質拡散係数の測定

円山重直, 小宮敦樹, 矢花純, 日向野三雄

第18回日本熱物性シンポジウム　1997/10
微小重力環境下における結晶成長速度と拡散場

圓山重直, 矢花純, 鷲見直香, 小宮敦樹, 塚本勝男, 清水健司, 岡田繁信, 藤島基

日本マイクログラビティ応用学会　1997/10
Study of transition mechanism of natural convective boundary layer in high concentration participating medium

Takuma Kogawa, Hitroki Gonome, Junnosuke Okajima, Atsuki Komiya, Shigenao Maruyama

57th National Heat Transfer Symposium of Japan
Enhancement of convective boiling heat transfer using a heatsink with layered parallel microchannels of different diameters

Yusuke Nishimura, Junnosuke Okajima, Takuya Oouchi, Atsuki Komiya

57th National Heat Transfer Symposium of Japan
Evaluation of rate-determining step of carbon dioxide hydrate decomposition by quantitative measurement of transient interfacial heat and mass transfer

Yuki Kanda, Atsuki Komiya

57th National Heat Transfer Symposium of Japan
Measurement of microscopic wetting behavior of PDMS suspension of SiO2 nanoparticles on Si substrate

Eita Shoji, Takahiro Kaneko, Tatsuya Yonemura, Masaki Kubo, Takao Tsukada, Atsuki Komiya

57th National Heat Transfer Symposium of Japan

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Industrial Property Rights 9

物品収容装置

圓山重直, 小宮敦樹, 中村典子, 松井啓祐

特許6826588

Property Type: Patent
二酸化炭素低排出発電方法および二酸化炭素低排出発電システム

圓山重直, 小宮敦樹, 岡島淳之介, 江目宏樹, 佐々木裕章

Property Type: Patent
メタンガス回収方法および二酸化炭素低排出発電方法、ならびに、メタンガス回収システムおよび二酸化炭素低排出発電システム

圓山重直, 岡島淳之介, 小宮敦樹, 陳林

Property Type: Patent
冷却装置

圓山重直, 小宮敦樹, 岡島淳之介

Property Type: Patent
香味が向上したアルコール含有飲料

圓山重直, 小宮敦樹, 中村典子, 松井啓祐

Property Type: Patent
メタンガス回収方法および二酸化炭素低排出発電方法、ならびに、メタンガス回収システムおよび二酸化炭素低排出発電システム

圓山重直, 岡島淳之介, 小宮敦樹, 陳林

Property Type: Patent
ピストン冷却装置

圓山重直, 小宮敦樹, 守谷修一, 長田守正, 小坂誠二, 河村康宏, 根岸潤也, 塚本能人

特許第5692870号

Property Type: Patent
半導体ウェーハの温度制御装置および温度制御方法

武知弘明, 高橋典夫, 清澤航, 圓山重直, 小宮敦樹

大韓民国第10-1209503号

Property Type: Patent
二酸化炭素低排出発電方法及びシステム

圓山重直, 小宮敦樹, 知崎正純, 白樫了

特許第5366300号

Property Type: Patent

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Research Projects 33

マイクロチャネルを用いた局所冷却に関する研究 Competitive

System: Cooperative Research

2016/07 - Present
アルコール系水溶液内物質移動現象に及ぼす外力の影響評価 Competitive

System: Cooperative Research

2015/09 - Present
A Study of Precise Measurement of Transient Diffusion Fields of Proteins Competitive

System: Grant-in-Aid for Scientific Research

2004/04 - Present
Supercritical Fluid Assisted Contaminated Soil Remediation: Key Mass Transfer Issues and Technological Development Competitive

Offer Organization: Japan Society for the Promotion of Science

Institution: Tohoku University

2020/01 - 2024/12
Realization of high-efficiency and environment friendly cooling device using elastocaloric effect

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for JSPS Fellows

Institution: Tohoku University

2021/11/18 - 2024/03/31
弾性熱量効果による低環境負荷高効率冷却機構の実現

小宮敦樹, LOMBARDI GIULIA

Offer Organization: 日本学術振興会

System: 科学研究費助成事業

Category: 特別研究員奨励費

Institution: 東北大学

2021/09/28 - 2024/03/31
Low Mosaicity Crystallization of Proteins by Temporal and Spatial Active-Control of Mass Transfer

Atsuki Komiya, Yuki Kanda

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

Category: Grant-in-Aid for Scientific Research (B)

Institution: Tohoku University

2021/04 - 2024/03
Development of minimally invasive treatment method using biocompatible graphene oxide-gold nanorods nanocomposite and near-infrared laser light combined with heat-transfer control technique

Offer Organization: Japan Society for the Promotion of Science

Institution: Tohoku University

2020/04 - 2023/03
Development of principle of underwater-plasma ultra-high-speed charge transfer mechanism by hypothesis of pioneer hydrated electron channel formation

TAKEHIKO SATO

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (A)

Institution: Tohoku University

2019/04/01 - 2022/03/31

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We designed the devices for the streamer generation and the measurement of the hydrated electron, then examined and developed the method for the detection of the hydrated electron by image analysis of the streamer development direction, chemical measurement by scavenger, measurement of red light absorption, measurement of probe light absorption, measurement of Raman scattering light, and the measurement of cell responses. Also, we verified the precursor phenomenon caused by the potential change at the time of the streamer propagation on the water film. These results showed that we succeeded in verifying the generation of hydrated electron by plasma for the first time in the world and that there is a possibility that the generation of hydrated electron have an influence on the streamer propagation.
タンパク質高品位結晶化の実現に向けた物質拡散の時空間能動制御 Competitive

小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費補助金

2017/04 - 2021/03
Early diagnosis and low invasive treatment of cancer by micro/nano thermal engineering

Maruyama Shigenao

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (B)

2016/04/01 - 2020/03/31

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This study measured the effective thermal conductivity of healthy and lesional skin in 11 cancer patients. Clinical studies have shown that when the tumor invades the dermis, the effective thermal conductivity of the lesion is higher than in the healthy area. Complex in-vivo heat transfer analysis during laser treatment was performed considering multiple heat scattering in vivo, plasmon heating by GNR, and combined heat transfer analysis considering blood flow and metabolic heat in the body. As a result, it was found that the GNR can be locally heated with a short irradiation time. We examined the usefulness of low invasive laser treatment by an experimental method. From the experiment, the usefulness of the surface cooling by the Peltier device could be evaluated.
Mesoscopic analysis of dynamic interfacial behavior of dense nanofluids

Tsukada Takao

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (B)

Institution: Tohoku University

2016/04/01 - 2019/03/31

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In this study, in-situ observation of the microscopic wetting behavior of a suspension droplet consisting of polydimethylsiloxane (PDMS) and PDMS-modified SiO2 nanoparticles was performed by a phase-shifting ellipsometer when the droplet moved on a Si substrate, and the effect of the presence of nanoparticles on the contact angle and the thickness distribution of precursor film near the contact line were investigated. In addition, numerical simulations for the structure formation of surface-modified nanoparticles during solvent evaporation were carried out, and the effects of organic solvents, surface modifiers and the surface density of the modifiers on the structures of nanoparticles during and after solvent evaporation were clarified.
マランゴニ対流を利用した気液界面での革新的二酸化炭素吸収分離 Competitive

小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費補助金

2017/04 - 2019/03
タンパク質輸送を制御する－場の環境変化を利用した膜による能動制御－（国際共同研究強化） Competitive

小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費助成事業国際共同研究加速基金

2015/04 - 2019/03
Challenge to air-cooling fin for electronic device with exceeding 1MW/m2 of heat flux

Maruyama Shigenao

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Challenging Exploratory Research

Institution: Tohoku University

2016/04/01 - 2018/03/31

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To realize a high heat flux air cooling system for the electronics cooling, low temperature supersonic flow, which was generated by an adiabatic expansion, and micro-channel were applied to micro-heat exchanger. The boundary layer thickness, which is related with an amount of heat transfer, is decreasing with the downscale. At first, the flow field and heat transfer in the micronozzle which has the suitable shape for manufacturing were evaluated by numerical simulation. Furthermore, the heat sink with micronozzle was manufactured and its cooling performance was evaluated by experiment. The effectiveness of micronozzle was clarified by the comparing experiment with heat sink without micronozzle. The heat sink with micronozzle showed the cooling performance of 0.761MW/m2 in the condition of 0.3MPaG of inlet pressure and 80 degree C of heat transfer surface.
タンパク質輸送を制御する－場の環境変化を利用した膜による能動制御－ Competitive

小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費補助金

2013/04 - 2017/03
Study of air cooling to remove high heat flux of 10MW/m2

MARUYAMA Shigenao, KOMIYA Atsuki, IGA Yuka, OKAJIMA Junnosuke

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Challenging Exploratory Research

Institution: Tohoku University

2013/04/01 - 2015/03/31

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To achieve an air cooling system high heat flux for the electronics cooling, the supersonic air flow with low temperature, which was generated by an adiabatic expansion, and micro-channel were applied to micro-heat exchanger. By using a microchannel, the boundary layer thickness decreases and convective heat transfer coefficient is improved. The density distributions of the supersonic air flow inside the micro-channel, which was impossible to measure by conventional technique, were visualized and measured by using phase-shifting interferometer. From the comparison between the results of experimental and calculated, the cooling performance was evaluated. Then, it was evaluated as 1.5 MW/m2 despite the sir cooling.
Induction mechanism of targeted gene expression by controlling spatiotemporally plasma flow at biological interface

SATO Takehiko, JOHKURA Kohei, OHARA Taku, KANAZAWA Seiji, MIYAHARA Takashi, KOMIYA Atsuki, OHTANI Kiyonobu, YOSHINO Daisuke

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (A)

Institution: Tohoku University

2012/04/01 - 2015/03/31

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The development of the formation and controlling method of the self-preserving plasma flow were accomplished by development of the high-speed high-voltage power supply, visualization system which had a very high spatiotemporal resolution and high accurate synchronous measurement system of the plasma characteristics. It has been shown that the self-preserving plasma flow makes a microscopic bubble cluster at the tip of the electrode several hundred nanoseconds after the voltage was applied, then starts propagation intermittently with a speed of about 2 kilometers per second from the tip of the protrusion of the bubbles synchronously with the pulsed discharge current. As for the induction of gene cluster expression, it has been shown by the comprehensive gene analysis that the gene cluster with functions of metabolism, immunity, regeneration, etc. expressed by weak plasma stimuli, which was different from hydrogen peroxide which was a main cause of the plasma stimuli.
Development of body temperature control device available under stoppage of infrastructure

FURUKAWA Hajime, NAKAGAWA Atsuhiro, WASHIO Toshikatsu, KUSHIMOTO Shigeki, ARAFUNE Tatsuhiko, KOMIYA Atsuki

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Challenging Exploratory Research

Institution: Tohoku University

2012/04/01 - 2014/03/31

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This study was aimed to gain basic knowledge to develop body temperature control device available under the stoppage of infrastructure (i.e., device that need no energy or minimum energy). Results; Most hypothermic inpatients in Miyagi Prefecture after the Great East Japan Earthquake had a temperature of 32 degree Celsius or higher, and were rewarmed primarily by using blankets. Their outcomes were favorable. These indicated that the new device can treat them outside hospitals and may reduce the number of inpatients in the early stage of disaster medical care. Based on this knowledge, we build two experimental systems, thermo-keeping system and cooling system, and we have started experiment with these models for development of the new device.
革新的光学干渉法による複雑系物質輸送過程の計測 Competitive

小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費補助金

2009/04 - 2012/03
Development of large-size high-speed phase shifting interferometer to observe sound and to measure turbulent thermal boundary layer

MARUYAMA Shigenao, KOMIYA Atsuki, MORIYA Shuichi, OKAJIMA Junnosuke

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Challenging Exploratory Research

Institution: Tohoku University

2011 - 2012

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In order to achieve highly sensitive and high-speed measurement, a novel interferometry system was developed. A novel phase-shifting Koester prism was developed to acquire the phase shifted data with high sampling rate. In order to build the interferometer in the wind tunnel, the large-size quasi common path interferometer was developed with the concave mirror and three dimensional quasi common path. Next, the forced convection field around heated cylinder was observed and the turbulent transition of the boundary layer was estimated by using the tripping wire. Finally, the developing of the thermal boundary layer on the flat plate was measured quantitatively. Furthermore, the velocity distribution in the boundary layer was estimated.
Innovational hydrogen production mechanism by quantum cavity effect of thermal radiation

MARUYAMA Shigenao, KOMIYA Atsuki, OKAJIMA Junnosuke, MIYAMOTO Akira, YUGAMI Hiroo

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (B)

Institution: Tohoku University

2009 - 2011

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The objective of this study is establishment of high efficient hydrogen production by quantum cavity effect of thermal radiation. Thermal radiation is resonated at microcavity in porous media and reforming reaction rate is improved by non-equilibrium state by resonated radiation. In order to develop well-controlled microstructure, colloid crystal template method and TiO2 wetting methods were compared. As a result, pore size control was achieved and suitable microstructures were developed with enough strength. Furthermore, steam-reforming experiments were conducted with developed microstructure.
Clarification on mechanisms of fertilization at ocean surface and upwelling of deep sea water by perpetual salt fountain

MARUYAMA Shigenao, KOMIYA Atsuki, YABUKI Takashi

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (B)

Institution: Tohoku University

2008 - 2010

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The objective of this study is clarification on mechanisms of fertilization at ocean surface and upwelling of deep sea water by perpetual salt fountain. The possibility on fertilization of ocean was evaluated though the analysis of observation data from satellite. As a result, the increment of chlorophyll concentration was confirmed by line integration of variation of chlorophyll concentration on trajectory of pipe.
Epidermal cooling for spinal cord protection against ischemia

TABAYASHI Koichi, SAIKI Yoshikatsu, KAWAMOTO Shunsuke, MOTOYOSHI Naotaka, MARUYAMA Shigenao, KOMIYA Atsuki

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (C)

Institution: Tohoku University

2008 - 2010

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Epidermal cooling may bring protective effect against ischemia on deep tissue such as spinal cord which can be suffered from ischemia during clinical thoracoabdominal aortic repair. Computed simulation model on deep tissue temperature change by epidermal cooling has been established by the experimental evaluations both on animal and human models. However, clinical application was not accepted because the preliminary study showed that mild frostbite occurred on normal tissue after epidermal cooling.
生体環境内でのタンパク質拡散現象評価 Competitive

小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費補助金

2007/04 - 2009/03
複合ナノ粒子群によるふく射伝熱制御省エネシステムの研究

圓山重直, 小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費助成事業

Category: 萌芽研究

Institution: 東北大学

2007 - 2008

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研究最終年度の本年度は, 前年度で得られた機能性複合ナノ粒子構造体のふく射伝熱特性を検討し, さらに最適なナノ粒子の粒径・空間分布を推定するとともに, 酸化チタンやアルミナ以外の粒子を使用することを検討した. また, 太陽光の吸収特性と室内の熱環境特性を考慮した機能性ナノ粒子構造体の省エネルギー効果について, 実際のナノ粒子を含んだ塗料を複数製作し, そのふく射伝熱特性を検証した. 具体的には, 酸化チタンおよびアルミナ粒子を用いてナノ構造体の設計を行い, 昨年度行った理論的推定と実験の成果を検討し, さらに最適な粒径検討を行い, 良好なナノ構造体の設計を行った. また, 各波長のふく射に対する反射・放射特性を前年度に構築した測定システムで計測を行った. これらのデータに基づき, 家屋や自動車にこのナノ構造体を適用した場合についての伝熱特性解析のためのモデル化も検討した. このモデル化には, これまでに構築してきた環境におけるふく射伝熱モデルを応用し, 視覚的, すなわち可視の波長領域では反射率を低減し景観を考慮したふく射特性を有し, 近赤外領域においては, 反射率を増加させることで太陽光からの伝熱を制御する機能性構造体を検討した. 併せて「色評価」を行うことで, 赤外領域では大きく反射率が異なる機能性構造体でも, 可視領域においては, その色および輝度が大きく変わることなく, 色調を変えないまま近赤外領域において反射率を制御することができることを明らかにした. 以上の実験およびモデル化検討の結果を総括的に検討し, ナノ粒子構造体が省エネ効果に及ぼす効果について明らかにした. 当該年度において得られた成果は, 国内外の研究会およびシンポジウムにて発表を行った.
Innovation of Biomedical Engineering by Heat Transfer Control-Challenge to the Quality of Life-

MARUYAMA Shigenao, YAMBE Tomoyuki, AIBA Setsuya, TOMINAGA Teiji, KOMIYA Atsuki

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (A)

Institution: Tohoku University

2006 - 2008
Clarification of Pattern Formation Mechanism in Microcombustion

MARUTA Kaoru, KOMIYA Atsuki

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (B)

Institution: Tohoku University

2006 - 2007

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Flame pattern formation was examined for the development of microcombustion devices. Premixed methane-air mixture is introduced at the center of two parallel circular quartz plates separated by a millimeter scale distance (<5mm). Two plates are heated with an external heater to create a positive temperature gradient condition along the flow direction. Main result are as follows. 1) In addition to the general perception of a stable premixed flame front at a radial location, a variety of nonstationary flame propagation modes are observed. For lower mixture flow rates and a range of mixture equivalence ratios, a radial flame propagation mode is observed with simultaneous presence of two circular flames at different radial locations. For higher flow rates, a rotating spiral flame propagation mode is observed. In addition to radial and spiral flame propagation modes, random and unsymmetrical flame oscillations are also observed. The rotational rates of the spiral flame fronts were observed to vary from 28 to 83 Hz. A simple analysis is carried out to describe the formation of spiral flames from a steady circular flame. 2) Comprehensive regime diagrams of flame pattern formation in radial microchannels with temperature gradients were drawn based on experimental findings. A premixed methane-air mixture was introduced at the center of microchannels formed by two parallel circular quartz plates that were heated with an external porous burner to create a positive temperature gradient condition in the direction of flow. Combustion behavior in those microchannels at channel widths of 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0 mm were experimentally investigated. Regime diagrams of various stable and unstable flame patterns were obtained, confirming that the flame pattern is a strong function of mixture equivalence ratio, inlet mixture velocity, and channel width. Furthermore, some combustion characteristics, such as the rotating frequency of the single pelton-like flame and the triple flame, the radius of the stable circular flame front, and comparison between the major combustion products of the single and double pelton-like flames, were also investigated. After careful examinations, some of the experimental pattern formations were successfully reproduced by computational two-dimensional modeling. Results are submitted to a journal.
Mesoscopic Dynamics of Fluid in the vicinity of Moving Solid-Liquid-Gas Boundary Line (Contact Line)

UENO ICHIRO, KIMURA Tatsuto, KOMIYA Atsuki

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (C)

Institution: Tokyo University of Science

2005 - 2007

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A series of study were carried out with a special interest on the dynamics of the fluid in the vicinity of the boundary line of three phases; solid-liquid-gas interface. A spreading droplet on a solid substrate is accompanied with the movement of a visible boundary line so-called 'macroscopic contact line.' Existing studies have indicated there exits a thin liquid film known as 'precursor film' ahead of the macroscopic contact line of the droplet. The present authors focused on the early stage of spreading and dedicated their special effort to detect the advancing edge of the precursor film by applying an interferometer with a high-speed camera and by noise cancellation of using time-frequency analysis of brightness variation. The authors estimated the precursor film length for comparison with theoretical predictions, and also investigated the effect of changing viscosity on the precursor film by using the present method of detection. In addition, wetting/dewetting process was investigated on a microscopic point of view; a numerical simulation by classical molecular dynamics was conducted to evaluate an instability arosen on a nanometer-scale liquid culumn. The target geometries were (1) liquid column on a sold surface and (2) liquid column wrapping a thin wire. The authors focused on Rayleigh-Plateau-like instabilityemerging on the liquid column in the deformation process.
固気液界面（コンタクトライン）ダイナミクスの高精度測定 Competitive

小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費補助金

2004/04 - 2006/03
電場印加による吸着制御を利用した触媒反応の活性化

丸田薫, 小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費助成事業

Category: 萌芽研究

Institution: 東北大学

2005 - 2006

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本研究では,触媒への電場印加によって,低温域での触媒反応の阻害因子である酸素分子の吸着を防ぎ,より低温域から触媒を活性化する新しい技術を確立することを目標に研究を進めた。酸素分子の吸着が,低温域における触媒反応活性化の阻害因子であるという研究結果と,ガス漏れセンサの原理を逆にした「電場印加」という手法の組み合わせにより,触媒反応の制御を目指した。製作した初期の実験装置によって,電場印加によって触媒反応の活性が変化すること,さらに印可電圧の極性を逆転させることで活性が促進,あるいは抑制される効果が確認できたが,極性の変化に対する触媒温度の上昇傾向が,新しい触媒を使用した場合には一定の傾向を示すものの,複数回実験を繰り返す内に特性が大きく変化したり,極性の促進・抑制の傾向が逆転する場合があることが明らかとなった。こうした結果について検討するため,反応器主要部の構造について,温度の安定などの見地から,反応管内に二枚の白金を電極として設ける形式に変更を行い,上記の再現性と反応促進・抑制傾向の不一致の原因を調べた。赤外線計測による表面状態の把握と,反応管出口の気体濃度計測の二つの方法で触媒反応の進行度合いの把握を図るべ実験を進めた。赤外線計測では計測そのものに電場の影響を排除しきれない懸念が残り,気体濃度計測を優先的に実施した。結果的には,高温による触媒保持部の変形が温度不安定の原因であったことが判明し,反応管内部の触媒保持方法に改良を加えた結果,ライトオフ寸前の触媒温度域で電場印可することで,電場強度に対してほぼ比例的に反応進行度が増大するという信頼できるデータが得られた。
非平衡熱電素子を用いた医療用急速冷却伝熱制御の研究

圓山重直, 山家智乏, 小宮敦樹

Offer Organization: 日本学術振興会

System: 科学研究費助成事業

Category: 萌芽研究

Institution: 東北大学

2004 - 2005

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本年度は,昨年度製作したクライオプローブを用いて実験的解析的研究を遂行し,凍結手術の際の効率的な冷却手法についての検討を行った.また昨年度の検証実験で明らかとなった,連続運転による最下点到達温度が長時間維持できないという問題点の克服のため,クライオプローブ先端部の構造を見直し,新たな先端部設計のクライオプローブの製作も行った. 圓山代表者により生体冷凍治療クライオプローブ先端部の再設計が行われ,先端部の熱が効率的に冷媒側に輸送されるデザインとし,高熱流束冷却伝熱制御を可能とした.新たに製作されたクライオプローブの性能評価は,小宮分担者による生体を擬似した寒天を用いた実験で行われた.これにより,新設計のクライオプローブでは長時間運転による最低到達点温度の上昇は認められず,昨年度製作したプロトタイプの問題点を克服できたと位置づけることができる. また,凍結手術の際の効率的な冷却方法についても解析的・実験的に検証を行った.解析的には生体伝熱方程式を用いて高精度数値シミュレーションを行い,表皮深部の真皮層の過渡冷却現象を視覚的に理解し,そこから高効率冷却法を検討した.また実験的には,モルモットの背皮を用いた動物実験を行い,数値シミュレーションを用いて検討した冷却方法での過渡冷却現象を観察した.これらの実験より,目標としている細胞を高効率に壊死させるには,急速冷却の他に繰り返し冷却法を施すことで達成できることが明らかとなった. これらの研究成果は,別紙に示すごとく国内外の学術講演会にて発表を行っており,熱工学の分野にとどまらず医学分野においても高い評価を得ている.
Study on combustion in a small-scale channel that is equivalent to reaction zone thickness

MARUTA Kaoru, SAKAI Seigo, KOMIYA Atsuki

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (B)

Institution: TOHOKU University

2004 - 2005

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Understanding the combustion characteristics in a microchannel with heat recirculation is important for the development of micro scale combustors. However, small scales prevent the experimental approach. One possible solution for this problem is using of a micro channel under the low pressure conditions. By this, combustion in extremely small tube at normal pressure is expected to be simulated experimentally with meso-scall microchannels. Cylindrical quartz glass tube (i.d.=2.0) heated by flat flame burner which resembles heat recirculation was employed. Effects of pressure (0.06-0.6 atm), flow velocities, and methane-air mixture compositions at extinction limit were investigated. 1. A mild combustion under low pressure was observed both experimentally and numerically. Flame thickness at 0.2atm became ten times larger than that at normal pressure. Therefore, the combustion in extremely small tube which diameter was almost the same as flame thickness was realized. In general, the flame has the curvature near the quenching limit in normal scale tube. However, the present flame retained the flat shape and only became thick. 2. The experimental results showed the upper limits of flow velocity for fuel-lean side is larger than those for rich side, that is, the flammable region didn't become symmetric about stoichiometric ratio. However, the numerical simulation showed the flammable limit was largest near φ=0.8 and furthermore it is expected that upper limits for much leaner mixture become small. 3. Since the quenching Peclet number is very small, heat transfer to the wall is quite large. However, in this research, the flame could be stabilized because of small heat loss by external heating. 4. Close to blow off conditions at lean side, chemical reaction time is faster than that of rich side therefore the flame can be stabilized up to the high flow velocity. This is one interpretation for experimental result of flammable region.

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Teaching Experience 4

Environmental Heat Transfer　Tohoku University
Heat Transfer　Tohoku Univeristy, National Institute of Technology, Hachinohe College
環境伝熱制御工学　東北大学
伝熱工学　東北大学，八戸工業高等専門学校

Social Activities 51

日本宇宙少年団仙台たなばた分団副分団長

2008/04/01 - Present

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日本宇宙少年団仙台たなばた分団副分団長として、月毎の活動に参加協力をしている．
「楽しい理科の話～不思議の箱を開けよう～」出前授業

2019/06/05 - 2019/06/05
「楽しい理科の話～不思議の箱を開けよう～」

2018/07/17 - 2018/07/17
ペットボトルロケットを作って飛ばそう科学教室

2018/02/10 - 2018/02/10
サイエンスデイ

2017/07/16 - 2017/07/16
「楽しい理科の話～不思議の箱を開けよう～」

2017/06/21 - 2017/06/21
サイエンスデイ

2016/07/17 - 2016/07/17
令和3年度第21回東北大学出前授業「ペットボトルロケット出前工作授業」

宮城県仙台市宮城野区幸町2丁目19-1 宮城県仙台市立幸町小学校

2021/11/12 -

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小学6年生 38名の参加 9:00-11:30
平成28年度文部科学省宇宙航空科学技術推進委託費アウトリーチ活動

2017/01/28 -

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平成28年度文部科学省宇宙航空科学技術推進委託費アウトリーチ活動
河北新報社主催「楽しい理科の話～不思議の箱を開けよう～」出前授業

2016/07/07 -

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河北新報社主催「楽しい理科の話～不思議の箱を開けよう～」出前授業
東北大学高度教養教育・学生支援機構と福島県立会津高等学校との教育連携

2015/07/25 -

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東北大学高度教養教育・学生支援機構と福島県立会津高等学校との教育連携に関する講演
「ペットボトルロケット出前工作授業」

2011/10/28 -

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宮城県仙台市立生出小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
宇宙子どもワークショップ2011 in 仙台

2011/09/24 -

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JAXA広報部と協力し，宇宙に関する知識を子供たちに理解してもらう．宇宙飛行士を交えての公開講座を行う．合わせて，ペットボトルロケットの製作と飛行大会を行う．
日本航空宇宙学会北部支部「第18回科学講演会」

2011/09/04 -

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ペットボトルロケット製作法について、よく飛ぶ方法等を説明し、実際に製作をしてもらう。製作後に打ち上げ大会を行い、飛行距離を競い合う。
河北新報主催「楽しい理科の話～不思議の箱を開けよう～」出前授業

2011/07/20 -

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宮城県仙台市立福岡小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
キッズ・エネルギー・シンポジウム2010

2010/11/13 -

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エネルギーに関する講演を行い、講演後はエネルギーに関するきっと製作を通して、エネルギーの重要性を知ってもらう。
日本航空宇宙学会北部支部「第17回科学講演会」

2010/09/05 -

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ペットボトルロケット製作法について、よく飛ぶ方法等を説明し、実際に製作をしてもらう。製作後に打ち上げ大会を行い、飛行距離を競い合う。
「ペットボトルロケット出前工作授業」

2010/09/03 -

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宮城県仙台市立八木山南小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
大学出前授業

2010/07/09 -

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宮城県仙台南高等学校2年生に「光の不思議－地球温暖化はなぜ起こる？－」という題目のもと，エネルギーに関する講演を行う．
河北新報主催「楽しい理科の話～不思議の箱を開けよう～」出前授業

2010/05/31 -

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宮城県仙台市立福岡小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
大学出前授業

2009/11/13 -

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宮城県仙台南高等学校1年生に「不思議な宇宙、特殊空間の有効利用」という題目のもと，日本の宇宙活動に関する講演を行う．
「ペットボトルロケット出前工作授業」3

2009/09/18 -

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宮城県仙台市立野村小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
「ペットボトルロケット出前工作授業」2

2009/09/18 -

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宮城県仙台市立鶴巻小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
「ペットボトルロケット出前工作授業」

2009/09/17 -

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宮城県仙台市立南小泉小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
日本航空宇宙学会北部支部「第16回科学講演会」

2009/09/06 -

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ペットボトルロケット製作法について、よく飛ぶ方法等を説明し、実際に製作をしてもらう。製作後に打ち上げ大会を行い、飛行距離を競い合う。
文部科学省スーパーサイエンスハイスクール（SSH）講義11

2009/06/22 -

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「重力がない環境を利用する -無重量という極限環境-」というタイトルのもと，群馬県立高崎高等学校の生徒に低軌道上で実現される微小重力環境下での物理現象について講義を行った．
河北新報主催「理科を好きになる～不思議の箱を開けよう～」出前授業

2009/06/17 -

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宮城県仙台市立市名坂小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
新潟大学VBL特別講演会

2009/03/24 -

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新潟大学VBL特別講演会にて「逆問題解析による物質拡散係数導出法とタンパク質拡散現象に及ぼす広域緩衝液の影響」という題目のもと，講演を行う．
「ペットボトルロケット出前工作授業」

2008/11/06 -

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宮城県仙台市立貝森小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
日本航空宇宙学会北部支部「第15回科学講演会」

2008/09/07 -

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ペットボトルロケット製作法について、よく飛ぶ方法等を説明し、実際に製作をしてもらう。製作後に打ち上げ大会を行い、飛行距離を競い合う。
文部科学省スーパーサイエンスハイスクール（SSH）講義10

2008/06/16 -

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「重力がない環境を利用する -無重量という極限環境-」というタイトルのもと，群馬県立高崎高等学校の生徒に低軌道上で実現される微小重力環境下での物理現象について講義を行った．
日本航空宇宙学会北部支部「第14回科学講演会」

2007/09/02 -

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ペットボトルロケット製作法について、よく飛ぶ方法等を説明し、実際に製作をしてもらう。製作後に打ち上げ大会を行い、飛行距離を競い合う。
大学出前授業

2007/06/22 -

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宮城県仙台南高等学校2年生に「宇宙環境利用における工学の役割」という題目のもと，日本の宇宙活動に関する講演を行う．
文部科学省スーパーサイエンスハイスクール（SSH）講義9

2007/05/28 -

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「重力がない環境を利用する -無重量という極限環境-」というタイトルのもと，群馬県立高崎高等学校の生徒に低軌道上で実現される微小重力環境下での物理現象について講義を行った．
大学出前授業

2006/11/17 -

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宮城県仙台南高等学校1年生に「無重量状態と宇宙の利用～無重量という極限環境～」という題目のもと，日本の宇宙活動に関する講演を行う．
日本航空宇宙学会北部支部「第13回科学講演会」

2006/09/03 -

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ペットボトルロケット製作法について、よく飛ぶ方法等を説明し、実際に製作をしてもらう。製作後に打ち上げ大会を行い、飛行距離を競い合う。
「ペットボトルロケット教室」

2006/07/16 -

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宮城県利府町葉山シーアイタウン葉山内にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
文部科学省スーパーサイエンスハイスクール（SSH）講義8

2006/05/15 -

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「重力がない環境を利用する -無重量という極限環境-」というタイトルのもと，群馬県立高崎高等学校の生徒に低軌道上で実現される微小重力環境下での物理現象について講義を行った．
サイエンス・スクール「ペットボトルロケット出前工作授業」

2005/10/19 -

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宮城県仙台市立長命ヶ丘小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
日本航空宇宙学会北部支部「第12回科学講演会」

2005/09/03 -

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ペットボトルロケット製作法について、よく飛ぶ方法等を説明し、実際に製作をしてもらう。製作後に打ち上げ大会を行い、飛行距離を競い合う。
「ペットボトルロケット出前工作授業」

2005/07/20 -

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宮城県利府町立青山小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
文部科学省スーパーサイエンスハイスクール（SSH）講義7

2005/05/16 -

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「重力がない環境を利用する -無重量という極限環境-」というタイトルのもと，群馬県立高崎高等学校の生徒に低軌道上で実現される微小重力環境下での物理現象について講義を行った．
文部科学省スーパーサイエンスハイスクール（SSH）講義6

2004/11/22 -

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「無重力状態と宇宙の利用」というタイトルのもと，群馬県立高崎高等学校SSH生徒に低軌道上で実現される微小重力環境下での物理現象について講義を行った．
サイエンス・スクール「ペットボトルロケット出前工作授業」

2004/10/19 -

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宮城県仙台市立大沢小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
「ペットボトルロケット出前工作授業」

2004/07/20 -

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宮城県利府町立青山小学校にて、ロケット推進原理をわかりやすい具体例を通して説明し、ペットボトルロケットの製作を行う。製作後、打ち上げ機にて実際の打ち上げを行い、飛行距離を競い合う。
文部科学省スーパーサイエンスハイスクール（SSH）合同成果発表会

2004/03/13 -

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群馬県下で2003年度に行われてきたSSH活動の合同成果発表会にパネリストとして参加し，生徒の成果発表について意見を述べ討論を行った．
文部科学省スーパーサイエンスハイスクール（SSH）講義5

2003/12/08 -

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「重力がない環境を利用する」というタイトルのもと，群馬県立高崎高等学校の生徒に低軌道上で実現される微小重力環境下での物理現象について講義／実験を行った．
文部科学省スーパーサイエンスハイスクール（SSH）講義4

2003/11/08 -

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「重力がない環境を利用する」というタイトルのもと，群馬県理科教員代表者に低軌道上で実現される微小重力環境下での物理現象について講義を行い，実験を行った．
文部科学省スーパーサイエンスハイスクール（SSH）講義3

2003/10/15 -

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「宇宙の不思議！なんでだろう」というタイトルのもと，群馬県立伊勢崎東高等学校に低軌道上で実現される微小重力環境下での物理現象について講義・意見交換を行った．
文部科学省スーパーサイエンスハイスクール（SSH）講義2

2003/08/20 -

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「重力がない環境を利用する」というタイトルのもと，群馬県立高崎工業高校の生徒に低軌道上で実現される微小重力環境下での物理現象について講義・実験を行った．
文部科学省スーパーサイエンスハイスクール（SSH）講義1

2003/08/19 -

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「宇宙の不思議！なんでだろう」というタイトルのもと，群馬県理科教員代表者に低軌道上で実現される微小重力環境下での物理現象について講義を行った．

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Media Coverage 6

ゴムの伸び縮みで高効率冷却東北大、エアコン・冷蔵庫に応用

日経産業新聞　日経産業新聞　日経産業新聞

2023/02/20

Type: Newspaper, magazine
ゴムの伸び縮みで冷却東北大、有害な冷媒を不要に

日本経済新聞　日本経済新聞　日本経済新聞オンライン

2023/02/06

Type: Newspaper, magazine
東北大、ゴム伸縮時の弾性熱量効果を利用した冷却機構の高効率化に成功

日本経済新聞　日本経済新聞　日本経済新聞オンライン

2023/01/24

Type: Newspaper, magazine
自然対流伝熱性高める東北大など微量エネルギーで冷却

日刊工業新聞　日刊工業新聞　日刊工業新聞

2021/07/13

Type: Newspaper, magazine
東北大、自然対流の固有周波数の存在を実験的に捉えることに成功

日本経済新聞　日本経済新聞　日本経済新聞オンライン

2021/07/06

Type: Newspaper, magazine
わずかなエネルギーで熱の移動量を大幅に促進 - 低エネルギーでの伝熱機器冷却効率向上に期待 - Myself

東北大学広報室，流体科学研究所広報戦略室　東北大学ホームページ，流体科学研究所ホームページ

2021/07/06

Type: Internet

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プレスリリース

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Academic Activities 4

Journal of Thermal Science and Technology

2020/04 - Present

Activity type: Peer review

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Editor
Engineered Science Energy & Environment

2019/02 - Present

Activity type: Peer review

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Editorial Board
Journal of Flow Visualization and Image Processing

2018/02 - Present

Activity type: Peer review

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Editor
ransactions of the JSME (in Japanese), Mechanical Engineering Journal, Mechanical Engineering Letters, Bio, Medical, Sports and Human Engineering

2014/04/01 - Present

Activity type: Peer review

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Associate Editor

Other 13

高濃度ナノフルイドの動的界面挙動に関するメゾスコピック解析

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高濃度ナノフルイドの動的界面挙動に関するメゾスコピック解析を行う．
アルコール系水溶液内物質移動現象に及ぼす外力の影響評価

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アルコール系水溶液内物質移動現象に及ぼす外力の影響を評価する．
選択透過性膜を用いた物質移動制御

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周囲環境によって物質透過量が変化する機能性膜を生成し，タンパク質の物質輸送制御を試みる．機能性膜内の狭チャネル幅を制御することでタンパク質の拡散を制御する．
立方体閉空間内の自然対流不安定性に関する研究

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立方体閉空間内の自然対流不安定性に関して，数値解析的および実験的アプローチを行い，不安定メカニズムを解明する．
手術時における脊髄冷却方法の研究

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手術時における開胸部からの脊髄冷却方法を実験的に検証し，その冷却可能性を評価する．
A Study of Cryogenic Fluid Behavior under Microgravity Environment

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微小重力環境下における極低温流体（液体窒素）の界面挙動を観察し，その現象解明を行う．
Transport Phenomena in Multicomponent Liquids

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多成分系溶液内の物質移動現象を干渉計で高精度可視化し，物質拡散係数を導出する．併せて，物質間の交差項を評価する．
A Study of Precise Measurement Method of Diffusion Field in Micro Channel

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珪藻類の呼吸に関するマイクロチャネル内物質拡散場の高精度計測を行う．併せて物質移動制御に関する研究を行う．
A Study on Transition Behaviour of Upwelled Convection from Steady to Oscillatory Regimes

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定常状態から振動湧昇流に遷移する過程について，噴出流速，密度差をパラメータとした実験的解析的研究を遂行し，その遷移メカニズムを解明する．
生体高分子物質拡散係数の周囲環境依存性に関する研究

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生体高分子の非定常拡散場を計測することで，生体高分子の拡散係数を測定するとともに，拡散現象が周囲温度および溶液のpH値に対してどのように変化するか，実験的に解明することを目的とする．
A Study of Relativity of Diffusion Phenomena of Biopolymer on Surrounding Conditions

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生体高分子の拡散現象が周囲環境にどのような影響を及ぼされているか，実験的研究により解明する．光学干渉計を用いて非定常拡散場を可視化し，物質拡散係数を導出することで拡散現象を定量化する．
マランゴニ対流現象モデル化研究

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液柱形状の自由界面上に生じるマランゴニ対流の振動流遷移過程をモデル化する．低Pr数および高Pr数流体それぞれの遷移過程をモデル化し，実験的・数値解析的アプローチにより，モデルの妥当性を評価する．
固気液界面（コンタクトライン）ダイナミクスに関する研究

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固気液界面（コンタクトライン）近傍の動的液面挙動を高精度可視化し，液滴の移動メカニズムの解明を探る．分子動力学計算で存在が示されている先行液膜を実験的に観察し，液滴移動がどのように行われるかをモデル化する．

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