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Takafumi Kawamura
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Proceedings Papers

Floating Axis Wind and Water Turbine for High Utilization of Sea Surface Area: Design of Sub-Megawatt Prototype Turbine

Takuju Nakamura, Kentaro Mizumukai, Hiromichi Akimoto, Yutaka Hara, Takafumi Kawamura
Proc. ASME. OMAE2013, Volume 8: Ocean Renewable Energy, V008T09A083, June 9–14, 2013
Paper No: OMAE2013-11287
https://doi.org/10.1115/OMAE2013-11287
View Paper titled, Floating Axis Wind and Water Turbine for High Utilization of Sea Surface Area: Design of Sub-Megawatt Prototype Turbine
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Topics: Design, Engineering prototypes, Hydraulic turbines, Seas, Turbines, Wind, Wind farms, Water currents, Construction, Electric power transmission
Proceedings Papers

Effect of Bubble Size on the Microbubble Drag Reduction of a Turbulent Boundary Layer

Takafumi Kawamura, Yasuhiro Moriguchi, Hiroharu Kato, Akira Kakugawa, Yoshiaki Kodama
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 647-654, July 6–10, 2003
Paper No: FEDSM2003-45645
https://doi.org/10.1115/FEDSM2003-45645
View Paper titled, Effect of Bubble Size on the Microbubble Drag Reduction of a Turbulent Boundary Layer
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Topics: Boundary layer turbulence, Bubbles, Drag reduction, Flow (Dynamics), Microbubbles, Shear stress
Proceedings Papers

Turbulent Drag Reduction Effect by Hydrogen and Oxygen Microbubbles Made by Electrolysis

Xinlin Lu, Hiroharu Kato, Takafumi Kawamura
Proc. ASME. FEDSM2006, Volume 1: Symposia, Parts A and B, 1579-1583, July 17–20, 2006
Paper No: FEDSM2006-98409
https://doi.org/10.1115/FEDSM2006-98409
View Paper titled, Turbulent Drag Reduction Effect by Hydrogen and Oxygen Microbubbles Made by Electrolysis
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Topics: Drag reduction, Electrolysis, Hydrogen, Microbubbles, Oxygen, Porosity, Turbulence, Water
Journal Articles

Propeller Cavitation Study Using an Unstructured Grid Based Navier-Stoker Solver

Shin Hyung Rhee, Takafumi Kawamura, Huiying Li
Journal: Journal of Fluids Engineering
Article Type: Technical Papers
J. Fluids Eng. September 2005, 127(5): 986–994.
https://doi.org/10.1115/1.1989370
Published Online: May 2, 2005
View Article titled, Propeller Cavitation Study Using an Unstructured Grid Based Navier-Stoker Solver
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Topics: Cavitation, Flow (Dynamics), Marine propellers, Propellers, Hydrofoil, Pressure, Geometry