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Journal Articles

Dr. Romney B. Duffey on His 80th Birthday

Igor Pioro, Richard R. Schultz, Dr. Hideki Kamide, Dr. Sama Bilbao y Leon, Dr. Nils Diaz, Alexander V. Bychkov, Dr. Leon Cizelj, Francesco D'Auria, Dr. Yanping Huang, Dr. Yasuo Koizumi, Tomio Okawa, Dr. Robert Walker, Dr. Robert Youngblood, Enrico Zio
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Editorial
ASME J of Nuclear Rad Sci. July 2022, 8(3): 030201.
Paper No: NERS-22-1030
https://doi.org/10.1115/1.4054329
Published Online: May 3, 2022
View Article titled, Dr. Romney B. Duffey on His 80th Birthday
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Topics: Accidents, Design, Electricity (Physics), Governments, Innovation, Japan Society of Mechanical Engineers, Nuclear engineering, Nuclear power, Risk, Safety
Proceedings Papers

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

Yasuyoshi Sakamoto, Hiroyasu Ohtake, Yasuo Koizumi
Proc. ASME. IMECE97, Heat Transfer: Volume 1, 159-165, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0841
https://doi.org/10.1115/IMECE1997-0841
View Paper titled, Study on Propagative Collapse of a Vapor Film of Film Boiling: Effects of Liquid Subcoolings on Characteristics of Propagative Collapse
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Topics: Collapse, Film boiling, Vapors, Temperature, Water, Atmospheric pressure, Platinum, Subcooling, Wire
Proceedings Papers

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

Hidemasa Sasaki, Hiroyasu Ohtake, Yasuo Koizumi
Proc. ASME. IMECE97, Heat Transfer: Volume 1, 167-176, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0842
https://doi.org/10.1115/IMECE1997-0842
View Paper titled, Study on Forced-Convective Film-Boiling Heat Transfer: Effects of Liquid Flow on a State of Vapor Film Flow
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Topics: Film boiling, Film flow, Flow (Dynamics), Heat transfer, Vapors, Pipes, Glass, Heat transfer coefficients, Subcooling, Borosilicate glasses
Proceedings Papers

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

Yasuo Koizumi, Hiroyasu Ohtake, Manabu Mochizuki
Proc. ASME. IMECE99, Heat Transfer: Volume 2, 327-333, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1044
https://doi.org/10.1115/IMECE1999-1044
View Paper titled, Study on Subcooled-Forced Flow Boiling Heat Transfer and Critical Heat Flux of Solid-Water Two-Phase Mixture
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Topics: Boiling, Critical heat flux, Flow (Dynamics), Heat transfer, Subcooling, Water, Particulate matter, Bubbles, Condensation, Heat
Proceedings Papers

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

Hiroyasu Ohtake, Noriyuki Yamamoto, Yasuo Koizumi
Proc. ASME. IMECE99, Heat Transfer: Volume 2, 321-326, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1043
https://doi.org/10.1115/IMECE1999-1043
View Paper titled, Study on Enhancement of Critical Heat Flux by Supplying Liquid-Jets to Heating Surface
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Topics: Critical heat flux, Heating, Jets, Nozzles, Flow (Dynamics), Copper, Heat, Pool boiling, Water
Proceedings Papers

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

Hiroyasu Ohtake, Kun Liu, Yasuo Koizumi
Proc. ASME. IMECE2001, Heat Transfer: Volume 2 — Heat Transfer in Multiphase Systems, 219-225, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24171
https://doi.org/10.1115/IMECE2001/HTD-24171
View Paper titled, 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
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Topics: Critical heat flux, Heating, Jets, Porosity, Flow (Dynamics), Nozzles, Copper, Heat, Heat flux, Pool boiling
Proceedings Papers

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

Yasuo Koizumi, Hiroyasu Ohtake, Yosinobu Fujita
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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24219
https://doi.org/10.1115/IMECE2001/HTD-24219
View Paper titled, Heat Transfer and Critical Heat Flux of Forced Flow Boiling in Vertical-Narrow-Annular Passages
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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

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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1507
https://doi.org/10.1115/IMECE2000-1507
View Paper titled, Study on the Behavior of a Wetted Area Right After Liquid-Wall Contact in Pool Film Boiling
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Topics: Film boiling, Temperature, Superheating, Vapors, Collapse, Wall temperature, Water, Wire, Atmospheric pressure, Nozzles
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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1428
https://doi.org/10.1115/IMECE2000-1428
View Paper titled, Characteristics of a Falling Liquid Film on the Outer Surface of a Vertical Pipe: Minimum Wetting Rates and Waves on the Film
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Topics: Liquid films, Pipes, Waves, Wetting, Film thickness, Flow (Dynamics), Reynolds number, Surface tension, Symmetry (Physics), Thin films
Journal Articles

Saturated Pool Nucleate Boiling on Heat Transfer Surface With Deposited Sea Salts

Shinichiro Uesawa, Yasuo Koizumi, Mitsuhiko Shibata, Hiroyuki Yoshida
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2017, 3(4): 041002.
Paper No: NERS-16-1165
https://doi.org/10.1115/1.4036987
Published Online: July 31, 2017
View Article titled, Saturated Pool Nucleate Boiling on Heat Transfer Surface With Deposited Sea Salts
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Topics: Boiling, Heat transfer, Seas, Seawater, Temperature, Water, Heat flux, Fluids, Nucleate boiling, Bubbles
Proceedings Papers

Pool Nucleate Boiling on Heat Transfer Surface With Deposited Sea Salts

Shinichiro Uesawa, Yasuo Koizumi, Mitsuhiko Shibata, Hiroyuki Yoshida
Proc. ASME. ICONE24, Volume 3: Thermal-Hydraulics, V003T09A034, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60524
https://doi.org/10.1115/ICONE24-60524
View Paper titled, Pool Nucleate Boiling on Heat Transfer Surface With Deposited Sea Salts
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Topics: Heat transfer, Nucleate boiling, Seas, Seawater, Temperature, Boiling, Bubbles, Critical heat flux, Water, Accidents
Proceedings Papers

Study on Drop Wise Condensation by Using Functionalized Heat Transfer Surface

Yasuo Koizumi, Shota Yoshizawa
Proc. ASME. IMECE2014, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A059, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-37400
https://doi.org/10.1115/IMECE2014-37400
View Paper titled, Study on Drop Wise Condensation by Using Functionalized Heat Transfer Surface
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Topics: Condensation, Heat transfer, Gold plating, Steam, Heat flux, Shapes
Proceedings Papers

Study on Nucleate Boiling Heat Transfer by Measuring Detailed Surface Temperature Distribution and Variation With Infrared Radiation Camera

Kazuki Takahashi, Yasuo Koizumi
Proc. ASME. IMECE2014, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A060, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-37448
https://doi.org/10.1115/IMECE2014-37448
View Paper titled, Study on Nucleate Boiling Heat Transfer by Measuring Detailed Surface Temperature Distribution and Variation With Infrared Radiation Camera
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Topics: Heat transfer, Infrared radiation, Nucleate boiling, Temperature distribution, Bubbles, Temperature, Heat flux, Boiling, Copper, Vessels
Proceedings Papers

Effect of Physical Properties on Gas Entrainment Rate From Free Surface by Vortex (2nd Report)

Yasuo Koizumi, Naosuke Ohte, Hideki Kamide, Shuji Ohno, Kei Ito
Proc. ASME. ICONE22, Volume 2B: Thermal Hydraulics, V02BT09A041, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30959
https://doi.org/10.1115/ICONE22-30959
View Paper titled, Effect of Physical Properties on Gas Entrainment Rate From Free Surface by Vortex (2nd Report)
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Topics: Vortices, Bubbles, Flow (Dynamics), Pipes, Sodium, Surface tension, Viscosity, Water, Breeder reactors, Coolants
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
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30568
https://doi.org/10.1115/ICONE22-30568
View Paper titled, Experimental Study on Model Development for Liquid Accumulation in Steam Generator U-Tube (First Report) Condensing Counter-Current Flow in Single Vertical Pipe
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Topics: Boilers, Flow (Dynamics), Model development, Pipes, Water, Steam, Accidents, Coolants, Drainage, Film flow
Proceedings Papers

Velocity of Entrainments Formed by High Velocity Air Jet Flow in Stagnant Water

Masaaki Akabane, Yasuo Koizumi, Akihiro Uchibori, Hideki Kamide, Hiroyuki Ohshima
Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A051, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30806
https://doi.org/10.1115/ICONE22-30806
View Paper titled, Velocity of Entrainments Formed by High Velocity Air Jet Flow in Stagnant Water
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Topics: Air jets, Flow (Dynamics), Water, Vessels, Ear, Nozzles, Sodium, Boilers, Breeder reactors, Drops
Proceedings Papers

Entrainment Into High Speed Air Jet Blowing Out From a Hole to Stagnant Water

Yasuo Koizumi, Kohei Nago, Akihiro Uchibori, Hideki Kamide, Hiroyuku Ohshima
Proc. ASME. IMECE2013, Volume 8C: Heat Transfer and Thermal Engineering, V08CT09A036, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-65822
https://doi.org/10.1115/IMECE2013-65822
View Paper titled, Entrainment Into High Speed Air Jet Blowing Out From a Hole to Stagnant Water
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Topics: Air jets, Water, Pipes, Two-phase flow, Vessels, Drops, Ear, Flow (Dynamics), Atmospheric pressure, Flow visualization
Proceedings Papers

Study on Heat Transfer From Hot Water to Cold Air With Evaporation

Tatsuya Yamaji, Tatsuya Hirota, Yasuo Koizumi, Michio Murase
Proc. ASME. IMECE2013, Volume 8C: Heat Transfer and Thermal Engineering, V08CT09A035, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-65820
https://doi.org/10.1115/IMECE2013-65820
View Paper titled, Study on Heat Transfer From Hot Water to Cold Air With Evaporation
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Topics: Evaporation, Heat transfer, Hot water, Heat flux, Flow (Dynamics), Air flow, Turbulence, Convection, Mass transfer, Temperature
Proceedings Papers

Study on Controlling Condensation Heat Transfer by Using Functionalized Heat Transfer Surface

Syota Yoshizawa, Sho Ikeda, Yasuo Koizumi
Proc. ASME. ICONE21, Volume 4: Thermal Hydraulics, V004T09A076, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16160
https://doi.org/10.1115/ICONE21-16160
View Paper titled, Study on Controlling Condensation Heat Transfer by Using Functionalized Heat Transfer Surface
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Topics: Condensation, Heat transfer, Gold plating, Copper, Steam, Condensed matter, Drainage, Shapes
Proceedings Papers

Effect of Physical Properties on Gas Entrainment Rate From Free Surface by Vortex

Ohte Naosuke, Yasuo Koizumi, Hideki Kamide, Shuji Ohno, Kei Ito
Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A029, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16150
https://doi.org/10.1115/ICONE21-16150
View Paper titled, Effect of Physical Properties on Gas Entrainment Rate From Free Surface by Vortex
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Topics: Vortices, Bubbles, Flow (Dynamics), Pipes, Surface tension, Viscosity, Water, Waves, Film flow, Fluids