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Proceedings Papers

Tank Test and Numerical Simulation of Spar Type Floating OTEC

Shunka C. Hirao, Jun Umeda, Kentaroh Kokubun, Toshifumi Fujiwara
Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A004, June 21–30, 2021
Paper No: OMAE2021-62107
https://doi.org/10.1115/OMAE2021-62107
View Paper titled, Tank Test and Numerical Simulation of Spar Type Floating OTEC
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Topics: Computer simulation, Ocean thermal energy conversion, Pipes, Spar platforms, Vortex-induced vibration, Water, Wing spars
Proceedings Papers

Study on the Consideration Method of Damage Stability Criteria Corresponding to IEC 61400-3-2 for Floating Offshore Wind Turbine

Toshiki Chujo, Ken Haneda, Yusuke Komoriyama, Kentaroh Kokubun, Yasuhira Yamada, Toshifumi Fujiwara, Shunji Inoue
Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A048, August 3–7, 2020
Paper No: OMAE2020-18252
https://doi.org/10.1115/OMAE2020-18252
View Paper titled, Study on the Consideration Method of Damage Stability Criteria Corresponding to IEC 61400-3-2 for Floating Offshore Wind Turbine
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Topics: Collisions (Physics), Damage, Floating wind turbines, Ships, Stability
Proceedings Papers

At-Sea Experiment of a Hybrid SPAR Type Offshore Wind Turbine

Shigesuke Ishida, Kentaroh Kokubun, Tadashi Nimura, Tomoaki Utsunomiya, Iku Sato, Shigeo Yoshida
Proc. ASME. OMAE2013, Volume 8: Ocean Renewable Energy, V008T09A035, June 9–14, 2013
Paper No: OMAE2013-10655
https://doi.org/10.1115/OMAE2013-10655
View Paper titled, At-Sea Experiment of a Hybrid SPAR Type Offshore Wind Turbine
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Topics: Offshore wind turbines, Seas, Steel, Concretes, Prestressed concrete, Sensors, Spar platforms, Storms, Turbines, Waves
Proceedings Papers

Model Experiment of a SPAR Type Offshore Wind Turbine in Storm Condition

Kentaroh Kokubun, Shigesuke Ishida, Tadashi Nimura, Toshiki Chujo, Shigeo Yoshida, Tomoaki Utsunomiya
Proc. ASME. OMAE2012, Volume 7: Ocean Space Utilization; Ocean Renewable Energy, 569-575, July 1–6, 2012
Paper No: OMAE2012-83993
https://doi.org/10.1115/OMAE2012-83993
View Paper titled, Model Experiment of a SPAR Type Offshore Wind Turbine in Storm Condition
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Topics: Offshore wind turbines, Storms, Mooring, Waves, Wind, Chain, Safety, Seas, Blades, Construction
Proceedings Papers

On the Research and Development of Floating Offshore Platform

Shigesuke Ishida, Yutaka Ohkawa, Toshio Niwa, Shigehiro Ohkoshi, Kentaroh Kokubun
Proc. ASME. OMAE2008, Volume 6: Nick Newman Symposium on Marine Hydrodynamics; Yoshida and Maeda Special Symposium on Ocean Space Utilization; Special Symposium on Offshore Renewable Energy, 561-568, June 15–20, 2008
Paper No: OMAE2008-57958
https://doi.org/10.1115/OMAE2008-57958
View Paper titled, On the Research and Development of Floating Offshore Platform
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Topics: Industrial research, Offshore platforms, Databases, Mooring, Oceans, Design, Maintenance, Safety, Seas, Composite materials
Proceedings Papers

Strain Measurement on Riser Pipe Compared With Model Test and Calculation

Katsuya Maeda, Ichihiko Takahashi, Kazuaki Itoh, Kentaroh Kokubun, Kazuyuki Ohuchi, Satoshi Masuda, Shotaro Uto
Proc. ASME. OMAE2007, Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design, 749-755, June 10–15, 2007
Paper No: OMAE2007-29647
https://doi.org/10.1115/OMAE2007-29647
View Paper titled, Strain Measurement on Riser Pipe Compared With Model Test and Calculation
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Topics: Pipeline risers, Pipes, Risers (Casting), Strain measurement, Floating structures, Seas, Computer simulation, Waves, Chain, Deep ocean water
Proceedings Papers

Prediction of Cumulative Fatigue Damage of Mooring Dolphins

Yasuhiro Namba, Shunji Kato, Masami Iwai, Hiroshi Sato, Kentaroh Kokubun, Sotaro Masanobu
Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 3, 331-338, June 20–25, 2004
Paper No: OMAE2004-51362
https://doi.org/10.1115/OMAE2004-51362
View Paper titled, Prediction of Cumulative Fatigue Damage of Mooring Dolphins
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Topics: Fatigue damage, Mooring, Seas, Damage, Data centers, Floating structures
Proceedings Papers

Vortex-Induced Vibration of Horizontal Circular Cylinder in Uniform Flow

Kentaroh Kokubun, Yasuhiro Wada
Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 303-308, June 20–25, 2004
Paper No: OMAE2004-51132
https://doi.org/10.1115/OMAE2004-51132
View Paper titled, Vortex-Induced Vibration of Horizontal Circular Cylinder in Uniform Flow
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Topics: Circular cylinders, Flow (Dynamics), Vortex-induced vibration