Rchr
J-GLOBAL ID：201801020097837146
Update date: May. 10, 2024
HIROI Takamichi
ヒロイ タカミチ | HIROI Takamichi
Affiliation and department：
Job title：
Chief Researcher
Homepage URL (1)：
https://www.nmri.go.jp/study/research_organization/fluid/group1_2.html
Research field (1)：
Marine and maritime engineering
Research keywords (5)：
Ship Hydrodynamics
, Skin-Friction Drag Reduction
, PIV
, Multiphase flow
, Turbulence
Research theme for competitive and other funds (2)：
- 2020 - 2023 Development of three-dimensional flow field measurement method for bubbly flow using light-field camera
- 2016 - 2018 Study on the friction drag reduction by electrolytic precipitation method
Papers (9)：
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Daijiro Arakawa, Hideki Kawashima, Tatsuya Hamada, Takamichi Hiroi, Chiharu Kawakita. Numerical Study on the Influence of Air Bubbles around the Ship Hull on the Propulsive Efficiency. Journal of the Japan Society of Naval Architects and Ocean Engineers. 2023. 38. 1-15
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Okada Yoshihisa, Katayama Kenta, Kobayashi Yosuke, Hiroi Takamichi, Wako Daisuke, Ichinose Yasuo, Ando Jun. Interaction of Propeller Pitch Distribution and Multiple Energy Saving Devices-The Effect of Propeller Pitch Distribution and Stern Duct on the Flow Field around the Rudder -. Journal of the Japan Society of Naval Architects and Ocean Engineers. 2023. 37. 9-17
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Takamichi Hiroi, Chiharu Kawakita. Development of Wall Shear Stress Sensor Using Fiber Bragg Gratings. 2022. 22. 1. 27-41
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Takamichi Hiroi. Research on skin-frictional drag change by bubbles in turbulent boundary layer. Doctoral dissertation. 2021
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Hiroi Takamichi, Hamada Tatsuya, Kawakita Chiharu. Investigation of friction drag change by bubbles using double optic fiber probe. 日本船舶海洋工学会論文集. 2021. 34. 37-49
ｍore...
MISC (21)：
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久米健一, 川北千春, 川島英幹, 川並康剛, 白石耕一郎, 一ノ瀬康雄, 新川大治朗, 拾井隆道, 澤田祐希, 藤沢純一, et al. Innovative Energy-saving Technologies for GHG Reduction. 海上技術安全研究所報告(Web). 2023. 23. 2
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Development of Wall Shear Stress Sensor Using FBG. 2021. 33. 103-105
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Simultaneous measurement of wall shear stress, liquid phase velocity and bubble distribution in channel flow with bubbles causing drag reduction. 2021
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Measurement of Liquid Phase and Bubble Interface Velocities in a Horizontal Channel with Large Bubbles Causing Frictional Resistance Increase. 2021
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Yosuke Kobayshi, Yoshihisa Okada, Kenta Katayama, Takamichi Hiroi, Daisuke Wako, Yasuo Ichinose. Effects of Propeller Pitch and Number of Blades on Energy Saving of an ECO-Cap. Proceedings of MARINE 2021 (The 9th Conference on Computational Methods in Marine Engineering). 2021
ｍore...
Patents (5)：
Lectures and oral presentations (4)：
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海技研高速チャネルにおける気液二相流中PIV計測技術と大型キャビテーション水槽におけるPIVの利用
(回流水槽におけるPIV技術に関するミニシンポジウム 2019)
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水槽試験による空気潤滑船の推進性能推定法の研究
(日本船舶海洋工学会第10回推進・運動性能研究会 2018)
-
14m長尺平板模型による塗装粗面の摩擦抵抗評価
(日本船舶海洋工学会第6回推進・運動性能研究会 2017)
-
塗膜面を模した幾何学粗度平板上の乱流境界層計測
(日本船舶海洋工学会第5回推進・運動性能研究会 2016)
Education (3)：
- 2016 - 2022 Yokohama National University Graduate School of Engineering Specialization in Ocean and Space Engineering, Department of Systems Integration
- 2012 - 2014 Yokohama National University
- 2008 - 2012 Yokohama National University
Professional career (1)：
- Doctor of Engineering (Yokohama National University)
Work history (2)：
- 2022/04 - 現在 National Maritime Research Institute Fluids Engineering & Hull Design Department Chief Researcher
- 2014/04 - 2022/03 National Maritime Research Institute Fluids Engineering & Hull Design Department Researcher
Committee career (1)：
- 2021/09 - 2022/08 The Japanese Society for Multiphase Flow Executive Committee of Multiphase Flow Symposium 2022
Awards (2)：
- 2022/05 - The Japan Society of Naval Architects and Ocean Engineers The Japan Society of Naval Architects and Ocean Engineers Incentive Award Investigation of friction drag change by bubbles using double optic fiber probe
- 2015/05 - The Japan Society of Naval Architects and Ocean Engineers Young best presentation award (2015 Spring) Development of LDV measurements of turbulent boundary layer at high Reynolds number
Association Membership(s) (2)：
The Japanese Society for Multiphase Flow
, THE JAPAN SOCIETY OF NAVAL ARCHITECTS AND OCEAN ENGINEERS
