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Hiroyuki Yoshida
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Proceedings Papers

Development of JAEA Advanced Multi-Physics Analysis Platform for Nuclear Systems

Tomohiro Kamiya, Ayako Ono, Kenichi Tada, Hiroshi Akie, Yasunobu Nagaya, Hiroyuki Yoshida, Tomohiro Kawanishi
Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A025, August 8–12, 2022
Paper No: ICONE29-91828
DOI: https://doi.org/10.1115/ICONE29-91828
View Paper titled, Development of JAEA Advanced Multi-Physics Analysis Platform for Nuclear Systems
Click here to open pdf in another window PDF for Development of JAEA Advanced Multi-Physics Analysis Platform for Nuclear Systems
Topics: Fuels, Physics, Simulation, Thermal hydraulics, Two-phase flow
Proceedings Papers

Numerical Simulation of Annular Dispersed Flow in Simplified Subchannel of Light Water Cooled Fast Reactor RBWR

Hiroyuki Yoshida, Horiguchi Naoki, Ayako Ono, Hajime Furuichi, Kenichi Katono
Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A016, August 8–12, 2022
Paper No: ICONE29-91630
DOI: https://doi.org/10.1115/ICONE29-91630
View Paper titled, Numerical Simulation of Annular Dispersed Flow in Simplified Subchannel of Light Water Cooled Fast Reactor RBWR
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Topics: Computer simulation, Fast neutron reactors, Flow (Dynamics), Water
Proceedings Papers

Development of a Numerical Simulation Method for Air Cooling of Fuel Debris by JUPITER

Susumu Yamashita, Shinichiro Uesawa, Hiroyuki Yoshida
Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A006, August 8–12, 2022
Paper No: ICONE29-89345
DOI: https://doi.org/10.1115/ICONE29-89345
View Paper titled, Development of a Numerical Simulation Method for Air Cooling of Fuel Debris by JUPITER
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Topics: Computer simulation, Cooling, Fuels, Natural convection, Porous materials, Temperature, Accidents, Boiling water reactors, Computational fluid dynamics, Containment vessels
Proceedings Papers

Measurement of Liquid Film Thickness for Annular Two-Phase HFC134a Gas-Liquid Ethanol Flow in the Vertical Tube

Huacheng Zhang, Tutomo Hisano, Shoji Mori, Hiroyuki Yoshida
Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A015, August 4–6, 2021
Paper No: ICONE28-63488
DOI: https://doi.org/10.1115/ICONE28-63488
View Paper titled, Measurement of Liquid Film Thickness for Annular Two-Phase HFC134a Gas-Liquid Ethanol Flow in the Vertical Tube
Click here to open pdf in another window PDF for Measurement of Liquid Film Thickness for Annular Two-Phase HFC134a Gas-Liquid Ethanol Flow in the Vertical Tube
Topics: Ethanol, Flow (Dynamics), Liquid films, Waves
Proceedings Papers

Liquid Film Behavior of Bottoming Liquid Jet in a Shallow Pool Measured by 3D-LIF

Sota Yamamura, Hiroyuki Yoshida, Naoki Horiguchi, Akiko Kaneko, Yutaka Abe
Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A063, August 4–6, 2021
Paper No: ICONE28-64733
DOI: https://doi.org/10.1115/ICONE28-64733
View Paper titled, Liquid Film Behavior of Bottoming Liquid Jet in a Shallow Pool Measured by 3D-LIF
Click here to open pdf in another window PDF for Liquid Film Behavior of Bottoming Liquid Jet in a Shallow Pool Measured by 3D-LIF
Topics: Liquid films, Coolants, Cooling, Visualization, Vortices, Accidents, Density, Evaporation, Flow (Dynamics), Fluids
Proceedings Papers

Experimental Investigation of Behavior of Impinging Liquid Jet in a Shallow Pool by 3D-LIF

Sota Yamamura, Fumihito Kimura, Hiroyuki Yoshida, Akiko Kaneko, Yutaka Abe
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T12A012, August 4–5, 2020
Paper No: ICONE2020-16233
DOI: https://doi.org/10.1115/ICONE2020-16233
View Paper titled, Experimental Investigation of Behavior of Impinging Liquid Jet in a Shallow Pool by 3D-LIF
Click here to open pdf in another window PDF for Experimental Investigation of Behavior of Impinging Liquid Jet in a Shallow Pool by 3D-LIF
Topics: Accidents, Coolants, Drops, Flow (Dynamics), Heat transfer, Liquid films, Shapes, Visualization, Water
Proceedings Papers

Numerical Simulation of Liquid Jet Behavior in Shallow Pool by Interface Tracking Method

Takayuki Suzuki, Hiroyuki Yoshida, Naoki Horiguchi, Sota Yamamura, Yutaka Abe
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T03A005, August 4–5, 2020
Paper No: ICONE2020-16213
DOI: https://doi.org/10.1115/ICONE2020-16213
View Paper titled, Numerical Simulation of Liquid Jet Behavior in Shallow Pool by Interface Tracking Method
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Topics: Accidents, Computer simulation, Coolants, Fuels
Proceedings Papers

A Numerical Simulation Method for Core Internals Behavior in Severe Accident Conditions: Chemical Reaction Analyses in Core Structures by JUPITER

Susumu Yamashita, Chiaki Kino, Hiroyuki Yoshida
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T03A021, August 4–5, 2020
Paper No: ICONE2020-16817
DOI: https://doi.org/10.1115/ICONE2020-16817
View Paper titled, A Numerical Simulation Method for Core Internals Behavior in Severe Accident Conditions: Chemical Reaction Analyses in Core Structures by JUPITER
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Topics: Accidents, Chemical reactions, Computational fluid dynamics, Computer simulation, Oxidation
Proceedings Papers

Numerical Simulation of Microparticles Motion in Two-Phase Bubbly Flow

Hiroyuki Yoshida, Shinichiro Uesawa
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T03A010, August 4–5, 2020
Paper No: ICONE2020-16393
DOI: https://doi.org/10.1115/ICONE2020-16393
View Paper titled, Numerical Simulation of Microparticles Motion in Two-Phase Bubbly Flow
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Topics: Bubbly flow, Computer simulation, Microparticles, Particulate matter, Two-phase flow
Proceedings Papers

Development of Numerical Simulation Method to Evaluate Molten Material Behaviors in Nuclear Reactors: Estimation of Fuel Debris Distribution in the Pedestal

Susumu Yamashita, Hiroyuki Yoshida
Proc. ASME. ICONE26, Volume 8: Computational Fluid Dynamics (CFD); Nuclear Education and Public Acceptance, V008T09A033, July 22–26, 2018
Paper No: ICONE26-82088
DOI: https://doi.org/10.1115/ICONE26-82088
View Paper titled, Development of Numerical Simulation Method to Evaluate Molten Material Behaviors in Nuclear Reactors: Estimation of Fuel Debris Distribution in the Pedestal
Click here to open pdf in another window PDF for Development of Numerical Simulation Method to Evaluate Molten Material Behaviors in Nuclear Reactors: Estimation of Fuel Debris Distribution in the Pedestal
Topics: Computer simulation, Fuels, Nuclear reactors, Accidents, Melting, Alpha decay, Cladding systems (Building), Computational fluid dynamics, Fukushima nuclear disaster, Japan, 2011, Heat
Proceedings Papers

Liquid Film Flow on Vertical and Successive Inclined Plate Modeling Flow Channel of Molten Control Rod in Severe Accident

Yutaro Hihara, Hideaki Monji, Yutaka Abe, Susumu Yamashita, Hiroyuki Yoshida
Proc. ASME. ICONE26, Volume 6A: Thermal-Hydraulics and Safety Analyses, V06AT08A064, July 22–26, 2018
Paper No: ICONE26-81690
DOI: https://doi.org/10.1115/ICONE26-81690
View Paper titled, Liquid Film Flow on Vertical and Successive Inclined Plate Modeling Flow Channel of Molten Control Rod in Severe Accident
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Topics: Accidents, Flow (Dynamics), Liquid films, Modeling, Computer simulation, Nuclear decommissioning, Sedimentation, Boiling water reactors, Image processing, Nuclear power
Proceedings Papers

Numerical Study on Effect of Pressure on Behavior of Bubble Coalescence by Using CMFD Simulation

Ayako Ono, Takayuki Suzuki, Hiroyuki Yoshida
Proc. ASME. ICONE26, Volume 6B: Thermal-Hydraulics and Safety Analyses, V06BT08A066, July 22–26, 2018
Paper No: ICONE26-82564
DOI: https://doi.org/10.1115/ICONE26-82564
View Paper titled, Numerical Study on Effect of Pressure on Behavior of Bubble Coalescence by Using CMFD Simulation
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Topics: Bubbles, Pressure, Simulation, Critical heat flux, Light water reactors, Computer simulation, Dynamics (Mechanics), Fluids, High pressure (Physics), Orifices
Proceedings Papers

Penetration Behavior of Liquid Jet Falling Into a Shallow Pool

Fumihito Kimura, Hiroyuki Yoshida, Akiko Kaneko, Yutaka Abe
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A065, July 22–26, 2018
Paper No: ICONE26-81993
DOI: https://doi.org/10.1115/ICONE26-81993
View Paper titled, Penetration Behavior of Liquid Jet Falling Into a Shallow Pool
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Topics: Accidents, Coolants, Dimensionless numbers, Flow (Dynamics), Fuels, Heat transfer, Internal flow, Nuclear reactor safety, Visualization, Water
Proceedings Papers

Behavior of Simulated Molten Metal at Channel Modeled Boiling Water Reactors

Yutaro Hihara, Kota Matsuura, Hideaki Monji, Yutaka Abe, Akiko Kaneko, Hiroyuki Yoshida, Susumu Yamashita
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A064, July 2–6, 2017
Paper No: ICONE25-67931
DOI: https://doi.org/10.1115/ICONE25-67931
View Paper titled, Behavior of Simulated Molten Metal at Channel Modeled Boiling Water Reactors
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Topics: Boiling water reactors, Metals, Nuclear decommissioning, Accidents, Computer simulation, Sedimentation, Numerical analysis
Proceedings Papers

Measurement of Two-Dimensional Void Fraction Distributions of Rising Bubbles in a Simulated Sub-Channel by Wire-Mesh Sensors at Conditions of Forced Convective and Stagnant Flows

Yota Suzuki, Yusei Tanaka, Taku Sakka, Akinori Sato, Kazuyuki Takase, Shinichiro Uesawa, Hiroyuki Yoshida
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A062, July 2–6, 2017
Paper No: ICONE25-67895
DOI: https://doi.org/10.1115/ICONE25-67895
View Paper titled, Measurement of Two-Dimensional Void Fraction Distributions of Rising Bubbles in a Simulated Sub-Channel by Wire-Mesh Sensors at Conditions of Forced Convective and Stagnant Flows
Click here to open pdf in another window PDF for Measurement of Two-Dimensional Void Fraction Distributions of Rising Bubbles in a Simulated Sub-Channel by Wire-Mesh Sensors at Conditions of Forced Convective and Stagnant Flows
Topics: Bubbles, Flow (Dynamics), Porosity, Sensors, Wire mesh, Fuel rods, Two-phase flow, Boiling, Bubbly flow, Dynamics (Mechanics)
Proceedings Papers

Development of Numerical Simulation Method to Evaluate Heat Transfer Performance of Air Around Fuel Debris: Part 1 — Effect of the Debris Shape

Susumu Yamashita, Shinichiro Uesawa, Hiroyuki Yoshida
Proc. ASME. ICONE25, Volume 6: Thermal-Hydraulics, V006T08A096, July 2–6, 2017
Paper No: ICONE25-67516
DOI: https://doi.org/10.1115/ICONE25-67516
View Paper titled, Development of Numerical Simulation Method to Evaluate Heat Transfer Performance of Air Around Fuel Debris: Part 1 — Effect of the Debris Shape
Click here to open pdf in another window PDF for Development of Numerical Simulation Method to Evaluate Heat Transfer Performance of Air Around Fuel Debris: Part 1 — Effect of the Debris Shape
Topics: Computer simulation, Fuels, Heat transfer, Shapes, Cooling, Natural convection, Computational fluid dynamics, Flow (Dynamics), Fukushima nuclear disaster, Japan, 2011, Heat
Proceedings Papers

Development of Numerical Simulation Method to Evaluate Heat Transfer Performance of Air Around Fuel Debris: Part 2 — Validation of JUPITER for Free Convection Heat Transfer

Shinichiro Uesawa, Susumu Yamashita, Mitsuhiko Shibata, Hiroyuki Yoshida
Proc. ASME. ICONE25, Volume 6: Thermal-Hydraulics, V006T08A097, July 2–6, 2017
Paper No: ICONE25-67517
DOI: https://doi.org/10.1115/ICONE25-67517
View Paper titled, Development of Numerical Simulation Method to Evaluate Heat Transfer Performance of Air Around Fuel Debris: Part 2 — Validation of JUPITER for Free Convection Heat Transfer
Click here to open pdf in another window PDF for Development of Numerical Simulation Method to Evaluate Heat Transfer Performance of Air Around Fuel Debris: Part 2 — Validation of JUPITER for Free Convection Heat Transfer
Topics: Computer simulation, Fuels, Heat transfer, Natural convection, Radiation (Physics), Cooling, Containment vessels, Evaluation methods, Flow visualization, Fukushima nuclear disaster, Japan, 2011
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
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2017, 3(4): 041002.
Paper No: NERS-16-1165
DOI: 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

Development of Prediction Technology of Two-Phase Flow Dynamics Under Earthquake Acceleration: (17) Effect of Structure Vibration on a Rising Single Bubble

Akifumi Miyazaki, Yuki Kato, Tetsuya Kanagawa, Akiko Kaneko, Hideaki Monji, Hiroyuki Yoshida, Yutaka Abe
Proc. ASME. ICONE24, Volume 5: Student Paper Competition, V005T15A037, June 26–30, 2016
Paper No: ICONE24-60565
DOI: https://doi.org/10.1115/ICONE24-60565
View Paper titled, Development of Prediction Technology of Two-Phase Flow Dynamics Under Earthquake Acceleration: (17) Effect of Structure Vibration on a Rising Single Bubble
Click here to open pdf in another window PDF for Development of Prediction Technology of Two-Phase Flow Dynamics Under Earthquake Acceleration: (17) Effect of Structure Vibration on a Rising Single Bubble
Topics: Bubbles, Dynamics (Mechanics), Earthquakes, Two-phase flow, Vibration, Nuclear reactors, Porosity, Safety, Bubbly flow, Oscillations
Proceedings Papers

Experimental and Numerical Simulation on Hydraulic Behavior of Molten Flow in the Lower Part in Reactor Core

Kota Matsuura, Hideaki Monji, Susumu Yamashita, Hiroyuki Yoshida
Proc. ASME. ICONE24, Volume 5: Student Paper Competition, V005T15A038, June 26–30, 2016
Paper No: ICONE24-60572
DOI: https://doi.org/10.1115/ICONE24-60572
View Paper titled, Experimental and Numerical Simulation on Hydraulic Behavior of Molten Flow in the Lower Part in Reactor Core
Click here to open pdf in another window PDF for Experimental and Numerical Simulation on Hydraulic Behavior of Molten Flow in the Lower Part in Reactor Core
Topics: Computer simulation, Flow (Dynamics), Liquid films, Sedimentation, Atmospheric pressure, Fluids, Fuels, Nuclear decommissioning, Nuclear power stations, Numerical analysis