Otsubo Kazuhisa

オオツボカズヒサ | Otsubo Kazuhisa

Affiliation and department：
Job title： Head
Other affiliations (1)：

Yokohama National University Faculty of Engineering Division Visiting Associate Professor

Research field (2)： Earth resource engineering, energy science , Marine and maritime engineering

Research keywords (6)： Amphibious Vehicles , Marine Operation , Crew Transfer Vessel , Model Experiments , Flow Assurerance , CCS

Research theme for competitive and other funds (8)：

2024 - 2027 Modeling and Control for Suspended Flexible Load on Position Keeping Floater
2020 - 2023 Optimal Design of Position Keeping for Multi-Purpose Offshore Supply Vessel During Multi-Lift Operation
2019 - 2022 Study on Plugging Inside a Pipe During Transportation of Materials at Low Temperatures such as Methane Hydrate
2007 - 2009 Research and Development on a Training Simulator for Reentry Operations of a Deep-sea Drilling Ship and Its Assisting System
2007 - 2008 Fundamental Study for Health Monitoring in Ballast Tank

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Papers (13)：

Kazuhisa Otsubo. Stick/Slip Phenomenon of a Crew Transfer Vessel Pushing Its Bow Against an Offshore Wind Tower During a Transfer Operation. International Journal of Offshore and Polar Engineering. 2023. 33. 4. 409-419
Kazuhisa Otsubo. Parameter Identification Based on Unity Feedback Responses for Steering Control in Model Experiments. Journal of Marine Science and Technology. 2023. 28. 551-567
Kazuhisa Otsubo. On Wave-induced Coupled Motion During Cooperative Multicrane Lifting Operations with Two Vessels. International Journal of Offshore and Polar Engineering. 2023. 33. 2. 204-214
Kazuhisa Otsubo, Kenta Hasegawa. Evaluation of Wave-induced Coupled Dynamics Between Multi-purpose Offshore Supply Vessel and Suspended Load During Crane Lifting Operation (Part 2 Analysis for Wave-induced Coupled Dynamics Right After Suspended Load Entry into the Water). Journal of the Japan Society of Naval Architects and Ocean Engineers. 2021. 33. 173-190
Kazuhisa Otsubo, Kei Ishida, Hiroshi Sato, Kenta Hasegawa, Motoki Araki. Evaluation of Wave-Induced Coupled Dynamics Between Multi-Purpose Offshore Supply Vessel and Suspended Load During Crane Lifting Opeartion. Journal of the Japan Society of Naval Architects and Ocean Engineers. 2019. 30. 0. 187-200

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MISC (34)：

Kazuhisa Otsubo, Kei Ishida. Comparison of Stick/Slip Phenomena at Transfer Points Between Different Hull-type CTVs. Proceedings of the 34th International Ocean and Polar Engineering Conference. 2024
Kazuhiro Yukawa, Masakatsu Saito, HIroshi Sato, Kazuhisa Otsubo, Kenta Hasegawa, Mitsushi Watanabe, Kei Ishida, Shunji Kato, Hiroko Ito, Eiko Ishimura, et al. Research on Technologies for Certification of Ocean Resources Development Projects. Papers of National Maritime Research Institute (General Report). 2023. 23. 3. 361-404
Sotaro Masanobu, Kazuhiro Yukawa, Masakatsu Saito, Hiroshi Sato, Kazuhisa Otsubo, Kenta Hasegawa, MItsushi Watanabe, Kei Ishida, Joji Yamamoto, Ichihiko Takahashi, et al. Research on Comprehensive Safety Evaluation Technologies for Marine Energy and Mineral Resources Develoepment Systems. Papers of National Maritime Research Institute (General Report). 2023. 23. 3. 325-360
Toshifumi Fujiwara, Toshiki Chujo, Tomoki Taniguchi, Ken Haneda, Shunka C. Hirao, Jun Umeda, Tomohiro Hasumi, Sotaro Masanobu, Kentaroh Kokubun, Kazuhiro Yukawa, et al. Research and Development on fundamental and Safety Assessment Technologies for Ocean Renewable Energies. Papers of National Maritime Research Institute (General Report). 2023. 23. 3. 299-323
Joji Yamamoto, Kazuhiro Yukawa, Kazuhisa Otsubo, Satoru Takano, Mitsushi Watanabe, Sotaro Masanobu. Research Efforts Towards Marine Operations and Resource Developemnt Technology for Ocean Development. Papers of National Maritime Research Institute (Separate Volume). 2023. 23

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Works (10)：

Program of Availability Evalulation for the Wave induced Coupled Motion During Integrated Installation of Wind Turbine’s Tower
Kazuhisa Otsubo 2023 -
Evalulation Program for the Wave-induced Motion of Crew Transfer Vessel Connecting to Wind Tower Structure
Kazuhisa Otsubo 2022 -
Evaluation Program for Wave-Induced Dynamics Between Floater and Submerged Suspended Load
Kazuhisa Otsubo 2021 -
Transient Analysis Program for Gas-Liquid Phases Flow Using Two Fluid Models
Kazuhisa Otsubo 2020 -
Program for Catenary Configuration Considering Internal Slurry Flow
Kazuhisa Otsubo 2018 -

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Education (1)：

- 2006 Graduate School of Kyushu University Faculty of Engineering Department of Marine Systems Engineering

Professional career (1)：

Dr. in Eng. (Kyushu University)

Work history (14)：

2023/04 - 現在 Yokohama National University Faculty of Engineering Division Visiting Associate Professor
2023/04 - 現在 National Maritime Research Institute, Japan Offshore Engineering System Research Group, Ocean Engineering Department Head
2021/04 - 2023/03 National Maritime Research Institute, Japan Offshore Engineering System Research Group, Ocean Engineering Department Principal Researcher
2017/04 - 2021/03 National Maritime Research Institute, Japan Offshore Engineering System Research Group, Ocean Engineering Department Senior Researcher
2016/04 - 2017/03 Norwegian University of Science and Technology Department of Energy and Process Engineering Visiting Researcher

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Committee career (5)：

2023 - 現在 International Collaboration Network in Marine Technology (SINTEF) Board Member
2016 - 現在 ISO ISO/TC67/SC7 (Offshore Structures)
2018 - 2019 Japan Ship Technology Research Association Committee of International Standardization for Offshore Structures
2010 - 2010 The Japan Society of Naval Architects and Ocean Engineers Committee for the 2nd Energy-saving Type Ship Symposium
2010 - 2010 The Japan Society of Naval Architects and Ocean Engineers Committee for the Future Vision of JASNAOE

Awards (12)：

2022 - National Maritime Research Institute, Japan NMRI's Awards for Group Activities in 2022 Contribution to the Maintenance, Management and Functional Improvement of Ocean Engineering Basin
2022 - The Japan Society of Naval Architects and Ocean Engineers JASNAOE's Paper Award Evaluation of Wave-indued Coupled Dynamis Between Multi-purpose Oshore Supply Vessel and Suspended Load During Crane Lifting Operation
2021 - National Maritime Research Institute, Japan NMRI's Awards for Individual Activities in 2021 Activities in ISO/TC67/SC7 and Dissemination of Research Results
2020 - National Maritime Research Institute, Japan NMRI's Awards for Group Activities in 2020 Technical Support for Ground Systems Research Center and Acquirement of External Funds
2020 - National Maritime Research Institute, Japan NMRI's Best Paper Award in 2020 Evaluation of Wave-induced Coupled Dynamics between Multi-purpose Offshore Supply Vessel and Suspended Load during Crane Lifting Operation

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Association Membership(s) (1)：

The Japan Society of Naval Architects and Ocean Engineers

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