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Masafumi Hirota
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Proceedings Papers

Influence of Cell Components Structure on Coupling Phenomena in Single Cell of Polymer Electrolyte Fuel Cell

Akira Nishimura, Atsushi Morimoto, Shigeki Tanaka, Atsushi Oshima, Masafumi Hirota, Eiji Tohma, Yukio Kimura, Masahiko Narita
Proc. ASME. AJTEC2011, ASME/JSME 2011 8th Thermal Engineering Joint Conference, T20061, March 13–17, 2011
Paper No: AJTEC2011-44416
DOI: https://doi.org/10.1115/AJTEC2011-44416
View Paper titled, Influence of Cell Components Structure on Coupling Phenomena in Single Cell of Polymer Electrolyte Fuel Cell
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Topics: Electrolytes, Fuel cells, Heat, Mass transfer, Polymers, Gas diffusion layers, Energy generation, Temperature, Compression, Computer simulation
Proceedings Papers

Gas-Liquid Distributions in Upward Multi-Pass Channels of Compact Evaporator

Zuradzman Mohamad Razlan, Ryota Isobe, Yasuhiro Mizuno, Hiroaki Goshima, Masafumi Hirota, Naoki Maruyama, Akira Nishimura
Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 3, 913-921, August 8–13, 2010
Paper No: IHTC14-22588
DOI: https://doi.org/10.1115/IHTC14-22588
View Paper titled, Gas-Liquid Distributions in Upward Multi-Pass Channels of Compact Evaporator
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Topics: Air conditioning, Automobiles, Flow (Dynamics), Stratified flow, Water, Water distribution
Proceedings Papers

Experimental Study on Turbulent Flow and Mixing in Counter-Flow Type T-Junction

Masafumi Hirota, Hiroshi Nakayama, Sayaka Koide, Ippei Takeuchi
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 1, 1099-1106, July 8–12, 2007
Paper No: HT2007-32777
DOI: https://doi.org/10.1115/HT2007-32777
View Paper titled, Experimental Study on Turbulent Flow and Mixing in Counter-Flow Type T-Junction
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Topics: Flow (Dynamics), Junctions, Turbulence, Cycles, Fatigue, Oscillations
Proceedings Papers

Experimental Study on Turbulent Flow and Thermal Mixing in T-Junction Modeled After Automobile HVAC Unit

Hideo Asano, Masafumi Hirota, Hiroshi Nakayama, Taichi Asano, Shunsaku Hirayama
Proc. ASME. HT2005, Heat Transfer: Volume 4, 419-427, July 17–22, 2005
Paper No: HT2005-72478
DOI: https://doi.org/10.1115/HT2005-72478
View Paper titled, Experimental Study on Turbulent Flow and Thermal Mixing in T-Junction Modeled After Automobile HVAC Unit
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Topics: Automobiles, HVAC equipment, Junctions, Turbulence, Bubbles, Flow (Dynamics), Separation (Technology), Air flow, Air conditioning, Temperature
Proceedings Papers

The Blockage Effects for the Unsteady Characteristics of the Near Wake Flows Behind a Bluff Body

Hiroshi Nakayama, Masafumi Hirota, Hiroshi Yamashita, Yoshio Fukui, Hideomi Fujita
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 949-956, July 6–10, 2003
Paper No: FEDSM2003-45190
DOI: https://doi.org/10.1115/FEDSM2003-45190
View Paper titled, The Blockage Effects for the Unsteady Characteristics of the Near Wake Flows Behind a Bluff Body
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Topics: Flow (Dynamics), Wakes, Vorticity, Fluctuations (Physics), Particulate matter, Principal component analysis, Reynolds number, Turbulence, Unsteady flow, Vortices
Journal Articles

Fluid Flow and Heat Transfer in Two-Pass Smooth Rectangular Channels With Different Turn Clearances

Hiroshi Nakayama, Masafumi Hirota, Hideomi Fujita, Takeshi Yamada, Yusuke Koide
Journal: Journal of Turbomachinery
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 772–785.
DOI: https://doi.org/10.1115/1.2101854
Published Online: May 2, 2005
View Article titled, Fluid Flow and Heat Transfer in Two-Pass Smooth Rectangular Channels With Different Turn Clearances
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Topics: Flow (Dynamics), Heat transfer, Turbulence, Exterior walls