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Journal Articles

ARKADIA—For the Innovation of Advanced Nuclear Reactor Design

Hiroyuki Ohshima, Tai Asayama, Tomohiro Furukawa, Masaaki Tanaka, Akihiro Uchibori, Takashi Takata, Akiyuki Seki, Yasuhiro Enuma
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Design Innovation Paper
ASME J of Nuclear Rad Sci. April 2023, 9(2): 025001.
Paper No: NERS-21-1157
https://doi.org/10.1115/1.4054726
Published Online: June 15, 2022
View Articletitled, ARKADIA—For the Innovation of Advanced Nuclear Reactor Design
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Topics: Design, Optimization, Safety, Thermal hydraulics, Nuclear design, Nuclear reactors, Computer simulation
Proceedings Papers

Study of Recent Sodium Pool Fire Model Improvements for MELCOR Code

Mitsuhiro Aoyagi, David L. Y. Louie, Akihiro Uchibori, Takashi Takata, David Luxat
Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T13A005, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64509
https://doi.org/10.1115/ICONE28-64509
View Paper titled, Study of Recent Sodium Pool Fire Model Improvements for MELCOR Code
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Topics: Fire, Liquid pool fires, Sodium, Sodium fast reactors
Proceedings Papers

ARKADIA – for the Innovation of Advanced Nuclear Reactor Design

Hiroyuki Ohshima, Tai Asayama, Tomohiro Furukawa, Masaaki Tanaka, Takashi Takata, Yasuhiro Enuma
Proc. ASME. ICONE28, Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications, V001T03A007, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64525
https://doi.org/10.1115/ICONE28-64525
View Paper titled, ARKADIA – for the Innovation of Advanced Nuclear Reactor Design
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Topics: Artificial intelligence, Computer simulation, Innovation, Nuclear design, Nuclear reactors, Optimization, Design, Safety, Carbon, Coolants
Proceedings Papers

Numerical Evaluation of Sodium-Water Reaction Based on Engineering Approach With Particle Method

Wataru Kosaka, Akihiro Uchibori, Hideki Yanagisawa, Takashi Takata, Sunghyon Jang
Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A002, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-61345
https://doi.org/10.1115/ICONE28-61345
View Paper titled, Numerical Evaluation of Sodium-Water Reaction Based on Engineering Approach With Particle Method
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Topics: Boilers, Particulate matter, Sodium, Sodium fast reactors, Water
Proceedings Papers

Numerical Validation of AQUA-SF in SNL T3 Sodium Spray Fire Experiment

Masateru Sonehara, Mitsuhiro Aoyagi, Akihiro Uchibori, Takashi Takata, Hiroyuki Ohshima, Andrew J. Clark, David Louie
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, V001T03A024, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16851
https://doi.org/10.1115/ICONE2020-16851
View Paper titled, Numerical Validation of AQUA-SF in SNL T3 Sodium Spray Fire Experiment
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Topics: Combustion, Fire, Sodium, Sprays
Proceedings Papers

Development of Ex-Vessel Phenomena Analysis Model for Multi-Scenario Simulation System, SPECTRA

Akihiro Uchibori, Mitsuhiro Aoyagi, Takashi Takata, Hiroyuki Ohshima
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A048, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16818
https://doi.org/10.1115/ICONE2020-16818
View Paper titled, Development of Ex-Vessel Phenomena Analysis Model for Multi-Scenario Simulation System, SPECTRA
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Topics: Accidents, Simulation, Sodium fast reactors, Spectra (Spectroscopy), Vessels
Proceedings Papers

Splash During Liquid Jet Impingement Onto a Horizontal Plate

Yi Zhan, Naoki Oya, Koji Enoki, Tomio Okawa, Shuji Ohno, Mitsuhiro Aoyagi, Takashi Takata
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A007, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-66334
https://doi.org/10.1115/ICONE25-66334
View Paper titled, Splash During Liquid Jet Impingement Onto a Horizontal Plate
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Topics: Combustion, Coolants, Drops, Fire, Flow (Dynamics), Jets, Leakage, Liquid films, Nozzles, Numerical analysis
Proceedings Papers

Evaluation of Sodium Pool Fire and Thermal Consequence in Two-Cell Configuration

Shuji Ohno, Takashi Takata, Yuji Tajima
Proc. ASME. ICONE24, Volume 3: Thermal-Hydraulics, V003T09A087, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-61095
https://doi.org/10.1115/ICONE24-61095
View Paper titled, Evaluation of Sodium Pool Fire and Thermal Consequence in Two-Cell Configuration
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Topics: Liquid pool fires, Sodium, Fire, Combustion, Oxygen, Sodium fast reactors, Aerosols, Computer simulation, Geometry, Heat
Proceedings Papers

Development of Risk Assessment Methodology of Decay Heat Removal Function Against Natural External Hazards for Sodium-Cooled Fast Reactors: Project Overview and Volcanic PRA Methodology

Hidemasa Yamano, Hiroyuki Nishino, Kenichi Kurisaka, Yasushi Okano, Takaaki Sakai, Takahiro Yamamoto, Yoshihiro Ishizuka, Nobuo Geshi, Ryuta Furukawa, Futoshi Nanayama, Takashi Takata
Proc. ASME. ICONE24, Volume 4: Computational Fluid Dynamics (CFD) and Coupled Codes; Decontamination and Decommissioning, Radiation Protection, Shielding, and Waste Management; Workforce Development, Nuclear Education and Public Acceptance; Mitigation Strategies for Beyond Design Basis Events; Risk Management, V004T14A002, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60023
https://doi.org/10.1115/ICONE24-60023
View Paper titled, Development of Risk Assessment Methodology of Decay Heat Removal Function Against Natural External Hazards for Sodium-Cooled Fast Reactors: Project Overview and Volcanic PRA Methodology
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Topics: Hazards, Heat, Risk assessment, Sodium fast reactors, Failure, Filters, Probability, Air filters, Damage, Emergency power
Proceedings Papers

Sodium-Water Reaction Elucidation With Counter-Flow Diffusion Flame Experiment and Its Numerical Simulation

Akira Yamaguchi, Takashi Takata, Hiroyuki Ohshima, Joji Sogabe, Yoshihiro Deguchi, Shin Kikuchi
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 1185-1192, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-30217
https://doi.org/10.1115/ICONE18-30217
View Paper titled, Sodium-Water Reaction Elucidation With Counter-Flow Diffusion Flame Experiment and Its Numerical Simulation
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Topics: Computer simulation, Diffusion flames, Flow (Dynamics), Sodium, Water, Accidents, Heat, Sodium fast reactors, Boilers, Chemical reactions
Proceedings Papers

Numerical Study on Passive Control of Thermal Striping Phenomenon Using Lorentz Force in Fast Reactor

Takashi Takata, Takeshi Fukuda, Akira Yamaguchi, Akihiro Uchibori, Nobuyuki Kimura, Hideki Kamide
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 1125-1131, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-30188
https://doi.org/10.1115/ICONE18-30188
View Paper titled, Numerical Study on Passive Control of Thermal Striping Phenomenon Using Lorentz Force in Fast Reactor
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Topics: Fast neutron reactors, Passive control, Fatigue, Flow (Dynamics), Magnetic fields, Sodium, Turbulence, Fluids, Junctions, Temperature
Proceedings Papers

Direct Observation and Control of Liquid Sodium Flow Dynamics Using VUV-LIF-PIV Technique Under EXB Lorentz Force

Takeshi Fukuda, Takashi Takata, Hiroshi Horiike, Nobuyuki Kimura, Hideaki Kamide
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 623-628, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-29671
https://doi.org/10.1115/ICONE18-29671
View Paper titled, Direct Observation and Control of Liquid Sodium Flow Dynamics Using VUV-LIF-PIV Technique Under EXB Lorentz Force
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Topics: Flow (Dynamics), Sodium, Dynamics (Mechanics), Electrons, Fast neutron reactors, Human eye, Large eddy simulation, Laser beams, Magnetic fields, Metals
Proceedings Papers

Numerical Prediction and Optimization of Depressurized Sodium-Water Reaction Experiment With Counter-Flow Diffusion Flame

Akira Yamaguchi, Takashi Takata, Hiroyuki Ohshima, Yoshitaka Kohara
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 589-596, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48909
https://doi.org/10.1115/ICONE16-48909
View Paper titled, Numerical Prediction and Optimization of Depressurized Sodium-Water Reaction Experiment With Counter-Flow Diffusion Flame
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Topics: Diffusion flames, Flow (Dynamics), Optimization, Sodium, Water, Computer simulation, Flames, Sodium fast reactors, Accidents, Accuracy and precision
Journal Articles

Numerical Prediction and Optimization of Depressurized Sodium-Water Reaction Experiment With Counterflow Diffusion Flame

Akira Yamaguchi, Takashi Takata, Hiroyuki Ohshima, Yoshitaka Kohara, Yoshihiro Deguchi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022907.
https://doi.org/10.1115/1.3043822
Published Online: January 6, 2009
View Articletitled, Numerical Prediction and Optimization of Depressurized Sodium-Water Reaction Experiment With Counterflow Diffusion Flame
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Topics: Aerosols, Chemical reactions, Diffusion flames, Sodium, Water, Flames, Water vapor, Computer simulation, Temperature, Optimization
Proceedings Papers

Application of Near Wall Model to Large Eddy Simulation Based on Boundary Layer Approximation

Takashi Takata, Akira Yamaguchi, Masaaki Tanaka, Hiroyuki Ohshima
Proc. ASME. ICONE14, Volume 4: Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 327-334, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89608
https://doi.org/10.1115/ICONE14-89608
View Paper titled, Application of Near Wall Model to Large Eddy Simulation Based on Boundary Layer Approximation
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Topics: Approximation, Boundary layers, Large eddy simulation, Statistics, Turbulence, Channel flow, Damage, Friction, Heat, Prandtl number
Proceedings Papers

Sodium-Water Reaction and Thermal Hydraulics at Gas-Liquid Interface: Numerical Interpretation of Experimental Observations

Akira Yamaguchi, Takashi Takata, Hiroyuki Ohshima, Kazunori Suda
Proc. ASME. ICONE14, Volume 4: Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 335-342, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89615
https://doi.org/10.1115/ICONE14-89615
View Paper titled, Sodium-Water Reaction and Thermal Hydraulics at Gas-Liquid Interface: Numerical Interpretation of Experimental Observations
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Topics: Sodium, Thermal hydraulics, Water, Chemical reactions, Computer simulation, Computer software, Flow (Dynamics), Particulate matter, Computation, Computational fluid dynamics