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Proc. ASME. IMECE2001, Heat Transfer: Volume 3 — Fluid-Physics and Heat Transfer for Macro- and Micro-Scale Gas-Liquid and Phase-Change Flows, 227-234, November 11–16, 2001

Paper No: IMECE2001/HTD-24219

DOI: https://doi.org/10.1115/IMECE2001/HTD-24219

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Topics: Boiling, Critical heat flux, Flow (Dynamics), Heat transfer, Clearances (Engineering), Bubbles, Heat flux, Wall temperature, Flux (Metallurgy), Forced convection

Proceedings Papers

Characteristics of a Falling Liquid Film on the Outer Surface of a Vertical Pipe: Minimum Wetting Rates and Waves on the Film

Yasuo Koizumi, Hiroyasu Ohtake, Shinichi Ikeda

Proc. ASME. IMECE2000, Heat Transfer: Volume 2, 197-203, November 5–10, 2000

Paper No: IMECE2000-1428

DOI: https://doi.org/10.1115/IMECE2000-1428

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Topics: Liquid films, Pipes, Waves, Wetting, Film thickness, Flow (Dynamics), Reynolds number, Surface tension, Symmetry (Physics), Thin films

Proceedings Papers

Study on the Behavior of a Wetted Area Right After Liquid-Wall Contact in Pool Film Boiling

Hiroyasu Ohtake, Hiroyuki Satoh, Yasuo Koizumi

Proc. ASME. IMECE2000, Heat Transfer: Volume 4, 65-69, November 5–10, 2000

Paper No: IMECE2000-1507

DOI: https://doi.org/10.1115/IMECE2000-1507

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Topics: Film boiling, Temperature, Superheating, Vapors, Collapse, Wall temperature, Water, Wire, Atmospheric pressure, Nozzles

Proceedings Papers

Effect of Thin Metal Film and Micro Structure of Surface on Condensation Pattern

Tomohito Nishimura, Yuki Mikoshiba, Hiroyasu Ohtake, Koji Hasegawa

Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A038, July 2–6, 2017

Paper No: ICONE25-67239

DOI: https://doi.org/10.1115/ICONE25-67239

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Topics: Condensation, Metallic films, Metals, Microelectromechanical systems, Thin films, Atomic force microscopy, Water, Condensers (steam plant), Durability, Etching

Proceedings Papers

Boiling Heat Transfer Characteristics and Film Boiling Collapse Temperature Through the Two-Dimensional Temperature Field Measurement: Examination of Condition in High Liquid Subcooling Condition

Hajime Takeuchi, Hiroyasu Ohtake, Masahiro Ueno, Hiroshi Washida, Koji Hasegawa

Proc. ASME. ICONE24, Volume 5: Student Paper Competition, V005T15A046, June 26–30, 2016

Paper No: ICONE24-60644

DOI: https://doi.org/10.1115/ICONE24-60644

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Topics: Boiling, Collapse, Film boiling, Heat transfer, Subcooling, Temperature, Silver, Sputtering (Irradiation), Superheating, Thermometers

Proceedings Papers

Pressure Loss of Water Flow and Flow Boiling Heat Transfer in Microtubes

Takeya Okamoto, Hiroyasu Ohtake, Koji Hasegawa

Proc. ASME. ICNMM2015, ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A059, July 6–9, 2015

Paper No: ICNMM2015-48325

DOI: https://doi.org/10.1115/ICNMM2015-48325

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Topics: Boiling, Flow (Dynamics), Heat transfer, Pressure, Water, Temperature, Critical heat flux, Laminar flow, Heat flux, Wall temperature

Proceedings Papers

Effect of Pressure on Boiling Heat Transfer Mechanism by Using MEMS Technology

Kei Oda, Hiroyasu Ohtake, Koji Hasegawa

Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A042, July 7–11, 2014

Paper No: ICONE22-30558

DOI: https://doi.org/10.1115/ICONE22-30558

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Topics: Boiling, Heat transfer, Microelectromechanical systems, Pressure, Bubbles, Convection, Cavities, Semiconductor wafers, Copper, Heating

Proceedings Papers

Experimental Study on Model Development for Liquid Accumulation in Steam Generator U-Tube (First Report) Condensing Counter-Current Flow in Single Vertical Pipe

Tatsuya Yamaji, Kohei Yamazaki, Yasuo Koizumi, Hiroyasu Ohtake, Koji Hasegawa, Shota Araki, Akira Ohnuki, Hiroaki Nishi

Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A043, July 7–11, 2014

Paper No: ICONE22-30568

DOI: https://doi.org/10.1115/ICONE22-30568

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Topics: Boilers, Flow (Dynamics), Model development, Pipes, Water, Steam, Accidents, Coolants, Drainage, Film flow

Proceedings Papers

Study on Pressure Loss of Two Phase Flow and Flow Boiling Heat Transfer in Micro Channel

Yu Kadoguchi, Hiroyasu Ohtake

Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A035, July 29–August 2, 2013

Paper No: ICONE21-16329

DOI: https://doi.org/10.1115/ICONE21-16329

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Topics: Boiling, Flow (Dynamics), Heat transfer, Microchannels, Pressure, Two-phase flow, Pipes, Temperature, Clearances (Engineering), Critical heat flux

Proceedings Papers

Study on Condensation Heat Transfer on Micro Structured Surfaces (Effect on Condensation Heat Transfer of Metal Sputtering Surfaces)

Kohei Yamazaki, Hiroyasu Ohtake, Koji Hasegawa

Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A034, July 29–August 2, 2013

Paper No: ICONE21-16315

DOI: https://doi.org/10.1115/ICONE21-16315

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Topics: Condensation, Heat transfer, Metals, Sputtering (Irradiation), Copper, Film condensation, Metal surfaces, Metallic films, Mirrors, Heat transfer coefficients

Proceedings Papers

Study on Saturated Flow Boiling Heat Transfer Under Vibration Conditions

Yoshitaro Fujiyama, Hiroyasu Ohtake

Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 521-527, July 30–August 3, 2012

Paper No: ICONE20-POWER2012-55060

DOI: https://doi.org/10.1115/ICONE20-POWER2012-55060

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Topics: Boiling, Flow (Dynamics), Heat transfer, Vibration, Critical heat flux, Heating, Subcooling, Bubbles, Copper, Earthquakes

Proceedings Papers

Study on Gas Entrainment Rate Into Liquid From Free Surface by Vortex

Yasuo Koizumi, Kei Ito, Hiroyuki Ohshima, Hiroyasu Ohtake

Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 837-842, November 12–18, 2010

Paper No: IMECE2010-39587

DOI: https://doi.org/10.1115/IMECE2010-39587

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Topics: Vortices, Vessels, Bubbles, Water, Flow (Dynamics), Bubbly flow, Pipes, Video cameras

Proceedings Papers

Image Analysis of Carry-Under by Falling Liquid Flow

Tomohiko Ohtsuka, Naoki Haraguchi, Hiroyasu Ohtake, Yasuo Koizumi

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 2, 645-649, May 17–21, 2010

Paper No: ICONE18-29631

DOI: https://doi.org/10.1115/ICONE18-29631

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Topics: Flow (Dynamics), Water, Waves, Nozzles, Bubbles, Video cameras

Proceedings Papers

Rising Velocity of a Gas Plug in Vertical-Rectangular-Narrow Channels

Tohru Miyashita, Yasuo Koizumi, Hiroyasu Ohtake

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 1223-1228, May 17–21, 2010

Paper No: ICONE18-30235

DOI: https://doi.org/10.1115/ICONE18-30235

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Topics: Bubbles, Film thickness, Flow (Dynamics), Pipes, Shapes, Water

Proceedings Papers

Study on Subcooled Flow Boiling Heat Transfer Under Vibration Conditions of Sinusoids and Seismic Shock Waves

Hiroyasu Ohtake, Takehiko Mazume, Yasuo Koizumi

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 1117-1123, May 17–21, 2010

Paper No: ICONE18-30180

DOI: https://doi.org/10.1115/ICONE18-30180

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Topics: Boiling, Flow (Dynamics), Heat transfer, Shock waves, Subcooling, Vibration, Critical heat flux, Earthquakes, Bubbles, Copper

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Journal citation

NARROW

Study on Propagative Collapse of a Vapor Film of Film Boiling: Effects of Liquid Subcoolings on Characteristics of Propagative Collapse

Study on Forced-Convective Film-Boiling Heat Transfer: Effects of Liquid Flow on a State of Vapor Film Flow

Study on Subcooled-Forced Flow Boiling Heat Transfer and Critical Heat Flux of Solid-Water Two-Phase Mixture

Study on Enhancement of Critical Heat Flux by Supplying Liquid-Jets to Heating Surface

Study on Enhancement of Critical Heat Flux by Supplying Liquid-Jets to Heating Surface: Mechanism on Enhancement of CHF and Measurement of Void Fraction Near Heating Surface

Heat Transfer and Critical Heat Flux of Forced Flow Boiling in Vertical-Narrow-Annular Passages

Characteristics of a Falling Liquid Film on the Outer Surface of a Vertical Pipe: Minimum Wetting Rates and Waves on the Film

Study on the Behavior of a Wetted Area Right After Liquid-Wall Contact in Pool Film Boiling

Effect of Thin Metal Film and Micro Structure of Surface on Condensation Pattern

Boiling Heat Transfer Characteristics and Film Boiling Collapse Temperature Through the Two-Dimensional Temperature Field Measurement: Examination of Condition in High Liquid Subcooling Condition

Pressure Loss of Water Flow and Flow Boiling Heat Transfer in Microtubes

Effect of Pressure on Boiling Heat Transfer Mechanism by Using MEMS Technology

Experimental Study on Model Development for Liquid Accumulation in Steam Generator U-Tube (First Report) Condensing Counter-Current Flow in Single Vertical Pipe

Study on Pressure Loss of Two Phase Flow and Flow Boiling Heat Transfer in Micro Channel

Study on Condensation Heat Transfer on Micro Structured Surfaces (Effect on Condensation Heat Transfer of Metal Sputtering Surfaces)

Study on Saturated Flow Boiling Heat Transfer Under Vibration Conditions

Study on Gas Entrainment Rate Into Liquid From Free Surface by Vortex

Image Analysis of Carry-Under by Falling Liquid Flow

Rising Velocity of a Gas Plug in Vertical-Rectangular-Narrow Channels

Study on Subcooled Flow Boiling Heat Transfer Under Vibration Conditions of Sinusoids and Seismic Shock Waves

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