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Yuji Ohya
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Journal Articles

Multirotor Systems Using Three Shrouded Wind Turbines for Power Output Increase

Koichi Watanabe, Yuji Ohya
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. May 2019, 141(5): 051211.
Paper No: JERT-18-1403
https://doi.org/10.1115/1.4042971
Published Online: April 4, 2019
View Article titled, Multirotor Systems Using Three Shrouded Wind Turbines for Power Output Increase
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Topics: Flow (Dynamics), Turbines, Wind, Wind tunnels, Wind turbines, Drag (Fluid dynamics), Rotors, Pressure, Lenses (Optics)
Journal Articles

Power Augmentation of Shrouded Wind Turbines in a Multirotor System

Yuji Ohya, Jumpei Miyazaki, Uli Göltenbott, Koichi Watanabe
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. September 2017, 139(5): 051202.
Paper No: JERT-16-1457
https://doi.org/10.1115/1.4035754
Published Online: February 24, 2017
View Article titled, Power Augmentation of Shrouded Wind Turbines in a Multirotor System
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Topics: Disks, Drag (Fluid dynamics), Turbines, Wind turbines, Wind, Flow (Dynamics)
Proceedings Papers

Aerodynamics of Clustered Wind Lens Turbines

Uli Goeltenbott, Yuji Ohya, Takashi Karasudani, Peter Jamieson
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT28A002, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-28601
https://doi.org/10.1115/AJKFluids2015-28601
View Paper titled, Aerodynamics of Clustered Wind Lens Turbines
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Topics: Aerodynamics, Lenses (Optics), Turbines, Wind, Flow (Dynamics), Rotors, Drag (Fluid dynamics), Ducts, Flat plates, Pressure
Journal Articles

Erratum: “Improvement in Solar Chimney Power Generation by Using a Diffuser Tower” [ASME J. Sol. Energy Eng., 137 (3), p. 031009]

Shinsuke Okada, Takanori Uchida, Takashi Karasudani, Yuji Ohya
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Errata
J. Sol. Energy Eng. February 2016, 138(1): 017001.
Paper No: SOL-15-1356
https://doi.org/10.1115/1.4031928
Published Online: November 25, 2015
View Article titled, Erratum: “Improvement in Solar Chimney Power Generation by Using a Diffuser Tower” [ASME J. Sol. Energy Eng., 137 (3), p. 031009]
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Topics: Diffusers, Energy generation, Solar energy
Journal Articles

Improvement in Solar Chimney Power Generation by Using a Diffuser Tower

Shinsuke Okada, Takanori Uchida, Takashi Karasudani, Yuji Ohya
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. June 2015, 137(3): 031009.
Paper No: SOL-13-1131
https://doi.org/10.1115/1.4029377
Published Online: June 1, 2015
View Article titled, Improvement in Solar Chimney Power Generation by Using a Diffuser Tower
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Topics: Computational fluid dynamics, Diffusers, Flow (Dynamics), Solar energy, Temperature, Energy generation, Wind
Proceedings Papers

Numerical and Experimental Study on a Floating Platform for Offshore Renewable Energy

Changhong Hu, Makoto Sueyoshi, Chen Liu, Yusaku Kyozuka, Yuji Ohya
Proc. ASME. OMAE2013, Volume 8: Ocean Renewable Energy, V008T09A069, June 9–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2013-11133
https://doi.org/10.1115/OMAE2013-11133
View Paper titled, Numerical and Experimental Study on a Floating Platform for Offshore Renewable Energy
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Topics: Ocean engineering, Renewable energy, Computer simulation, Seas, Computational fluid dynamics, Databases, Dynamic analysis, Model basin, Stress
Proceedings Papers

Evaluation of the Power Output of a Wind Turbine With a Brimmed Diffuser Shroud in Fluctuating Flows

S. Roberto Gonzalez A., Yuji Ohya, Takashi Karasudani, Shusaku Iba, Kimihiko Watanabe
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 1063-1068, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37466
https://doi.org/10.1115/FEDSM2007-37466
View Paper titled, Evaluation of the Power Output of a Wind Turbine With a Brimmed Diffuser Shroud in Fluctuating Flows
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Topics: Diffusers, Flow (Dynamics), Wind turbines, Turbines, Wind velocity, Fossil fuels, Wind, Wind energy, Coal, Design