Masahito Kawai

カワイマサヒト | Masahito Kawai

Affiliation and department：

Research field (1)： Earth resource engineering, energy science

Research keywords (4)： Gas hydrate , Renewable energy , スターリングエンジン , 熱機関

Research theme for competitive and other funds (10)：

2022 - 2025 流れ場・CO2濃度・温度分布の直接観察によるCO2ハイドレート生成機構の解明
2021 - 2025 Questioning the dominant view of archaeology with digital technology
2017 - 2018 外気の冷熱を利用するガスハイドレート発電システムの熱源温度条件の緩和に関する研究
2014 - 2015 A study on expanding operation conditions of a CO2 hydrate power generator by cold heat recovery in a gas turbine
2013 - 2014 3Dプリンタとレーザー加工機を活用した教材用高出力スターリングエンジンの開発

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Papers (14)：

Masahito Kawai, Shin'ya Obara. Study on a carbon dioxide hydrate power generation system employing an unstirred reactor with cyclopentane. Energy. 2021. 230. 120822-120822
Development of a Hot-Wire Anemometer Probe Specializing in Measuring the Boundary Layer of a Circular Cylinder. 2020. 20. 4. 265-271
Jiyou Qin, Shin'Ya Obara, Masahito Kawai. Investigation of CO2hydrate formation characteristics by accelerator. ECOS 2020 - Proceedings of the 33rd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 2020. 1165-1176
KAWAI Masahito, OBARA Shin'ya, KENCHI Toshiaki. Effect of cyclopentane addition on increasing the energy storage density in a CO₂ hydrate power generation system. Transactions of the JSME (in Japanese). 2020. 86. 890. 1-14
川合政人. CO2ハイドレート発電機の動的モデルによる出力制御方法に関する基礎的研究. 日本機械学会論文集, Vol. 82, No. 835, pp. 1-15. 2016

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MISC (90)：

NISHIMURA Tatsumi, KENCHI Toshiaki, HONMURA Shinji, KAWAI Masahito. Evaluation of Regenerative Torque Characteristics in a Coaxial Reversing Mechanism of a Floating Tidal Turbine. The Proceedings of Mechanical Engineering Congress, Japan. 2023. 2023. S203-05
KENCHI Toshiaki, HONMURA Shinji, KAWAI Masahito. Synchronous hot-wire measurement of boundary layer and separated shear layer developed on the surface of a stationary cylinder. The Proceedings of Mechanical Engineering Congress, Japan. 2023. 2023. S054-04
KINOSHITA Yugo, KAWAI Masahito, KENTI Toshiaki. Visualization of natural convection in the water-cyclopentane system by PIV. The Proceedings of Mechanical Engineering Congress, Japan. 2023. 2023. S203-06
Hioki Sena, Kenti Toshiaki, Honmura Shinji, Kawai Masahito. Hot-wire anemometer measurements of velocity boundary layers and separated shear layers developing on the surface of a stationary cylinder. The Proceedings of the Fluids engineering conference. 2022. 2022. OS03-36
Qin Jiyou, OBARA Shin’ya, KAWAYI Masahito. Investigation of Formation Rate and State Change of CO₂ Hydrate by Cyclopentane Accelerators. The Proceedings of Conference of Hokkaido Branch. 2021. 2021.58. 1225

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Lectures and oral presentations (6)：

CO<sub>2</sub>ハイドレートのエネルギー貯蔵特性の解析
(電気・情報関係学会北海道支部連合大会講演論文集(CD-ROM) 2012)
CO<sub>2</sub>ハイドレートのエネルギー貯蔵特性にもとづく分散電源システムの検討
(日本機械学会環境工学総合シンポジウム講演論文集 2012)
6シリンダ複動形スターリングエンジンの性能
(日本機械学会スターリングサイクルシンポジウム講演論文集 2009)
6シリンダ複動形スターリングエンジンの開発
(日本機械学会スターリングサイクルシンポジウム講演論文集 2008)
1A1-S-060 Control of Retrofit Device using Reinforcement Learning(Evolution and Learning for Robotics 1,Mega-Integration in Robotics and Mechatronics to Assist Our Daily Lives)
(2005)

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Professional career (1)：

Work history (4)：

2024/04 - 現在 Kitami Institute of Technology Faculty of Engineering, Mechanical and Electrical Engineering Assistant Professor
2020/11 - 現在 National Institute of Technology, Hakodate College Department of Production Systems Engineering
2015/04 - 2020/10 National Institute of Technology, Hakodate College Department of Production Systems Engineering
2014/04 - 2015/03 Ichinoseki National College of Technology Department of Intelligent Systems Engineering

Association Membership(s) (2)：

THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN , THE JAPAN SOCIETY OF MECHANICAL ENGINEERS

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