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Journal Articles

Validation of Feedback Reactivity Evaluation Models for Plant Dynamics Analysis Code During Unprotected Loss of Heat Sink Event in Sodium-Cooled Fast Reactors

Kazuo Yoshimura, Norihiro Doda, Kennichi Igawa, Masaaki Tanaka, Hidemasa Yamano
Journal: Journal of Nuclear Engineering and Radiation Science
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2023, 9(2): 021601.
Paper No: NERS-21-1160
DOI: https://doi.org/10.1115/1.4055328
Published Online: December 14, 2022
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Topics: Feedback, Sodium fast reactors, Temperature, Fuels, Sensitivity analysis, Density, Heat, Heat sinks, Dynamics (Mechanics), Coolants
Proceedings Papers

Event Tree Analysis for Material Relocation on Core Catcher in a Sodium-Cooled Fast Reactor

Hidemasa Yamano, Shigenobu Kubo, Taro Kan, Akihiro Shibata, Edouard Hourcade, Jean François Dirat
Proc. ASME. ICONE29, Volume 4: SMRs, Advanced Reactors, and Fusion, V004T04A011, August 8–12, 2022
Paper No: ICONE29-91505
DOI: https://doi.org/10.1115/ICONE29-91505
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Topics: Accidents, Sodium fast reactors, Design, Coolants, Fuels, Probability, Sodium, Vessels
Proceedings Papers

Application of 1D-CFD Coupling Method to Unprotected Loss of Heat Sink Event in EBR-II Focusing on Thermal Stratification in Cold Pool

Kazuo Yoshimura, Norihiro Doda, Tatsuya Fujisaki, Kennichi Igawa, Masaaki Tanaka, Hidemasa Yamano
Proc. ASME. ICONE29, Volume 8: Computational Fluid Dynamics (CFD) and Applications, V008T08A005, August 8–12, 2022
Paper No: ICONE29-89259
DOI: https://doi.org/10.1115/ICONE29-89259
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Topics: Computational fluid dynamics, Heat sinks, Sodium fast reactors, Thermal stratification
Proceedings Papers

Structural Analysis of a Reactor Vessel in a Sodium-Cooled Fast Reactor Under Extremely High Temperature Conditions

Hidemasa Yamano, Satoshi Futagami, Masanori Ando
Proc. ASME. ICONE29, Volume 4: SMRs, Advanced Reactors, and Fusion, V004T04A034, August 8–12, 2022
Paper No: ICONE29-93231
DOI: https://doi.org/10.1115/ICONE29-93231
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Topics: Deformation, High temperature, Reactor vessels, Resilience, Sodium fast reactors, Structural analysis
Proceedings Papers

Coolability Evaluation of the Debris Bed on Core Catcher in a Sodium-Cooled Fast Reactor With a Whole Vessel Model

Hidemasa Yamano, Shigenobu Kubo, Kyohei Sasa, Akihiro Shibata, Edouard Hourcade, Jean François Dirat
Proc. ASME. ICONE29, Volume 4: SMRs, Advanced Reactors, and Fusion, V004T04A035, August 8–12, 2022
Paper No: ICONE29-93244
DOI: https://doi.org/10.1115/ICONE29-93244
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Topics: Sodium fast reactors, Vessels, Circuits, Cooling systems, Fuels, Accidents, Cooling, Design, Dynamics (Mechanics), Flow (Dynamics)
Proceedings Papers

Activities of the GIF Safety and Operation Project of Sodium-Cooled Fast Reactor Systems

Hidemasa Yamano, Marie-Sophie Chenaud, Seok-Hun Kang, Tyler Sumner, Haileyesus Tsige-Tamirat, Jin Wang, Evgeny Rozhikhin
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, V001T03A009, August 4–6, 2021
Paper No: ICONE28-66385
DOI: https://doi.org/10.1115/ICONE28-66385
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Topics: Safety, Sodium fast reactors
Proceedings Papers

Validation of Evaluation Method of Feedback Reactivity for Plant Dynamics Analysis Code During Unprotected Loss of Heat Sink Event in Sodium-Cooled Fast Reactors

Kazuo Yoshimura, Norihiro Doda, Masaaki Tanaka, Hidemasa Yamano, Kennichi Igawa
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, V003T09A001, August 4–6, 2021
Paper No: ICONE28-62354
DOI: https://doi.org/10.1115/ICONE28-62354
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Topics: Dynamics (Mechanics), Evaluation methods, Feedback, Heat sinks, Sodium fast reactors
Proceedings Papers

Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors: (2) Kinetic Study on Eutectic Reaction Process Between Stainless Steel With Low Boron Carbide Concentration and Stainless Steel

Shin Kikuchi, Toshihide Takai, Hidemasa Yamano, Kan Sakamoto
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, V003T12A003, August 4–6, 2021
Paper No: ICONE28-62252
DOI: https://doi.org/10.1115/ICONE28-62252
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Topics: Accidents, Boron, Melting, Sodium fast reactors, Stainless steel
Proceedings Papers

Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors: (1) Project Overview and Progress Until 2019

Hidemasa Yamano, Toshihide Takai, Tomohiro Furukawa, Shin Kikuchi, Yuki Emura, Kenji Kamiyama, Hiroyuki Fukuyama, Hideo Higashi, Tsuyoshi Nishi, Hiromichi Ohta, Koji Morita, Kinya Nakamura
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, V003T12A008, August 4–6, 2021
Paper No: ICONE28-63301
DOI: https://doi.org/10.1115/ICONE28-63301
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Topics: Accidents, Melting, Sodium fast reactors, Stainless steel
Proceedings Papers

Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors: Validation of a Multi-Phase Model for Eutectic Reaction Between Stainless Steel and Boron Carbide

Xiaoxing Liu, Koji Morita, Hidemasa Yamano
Proc. ASME. ICONE2020, Volume 2: Nuclear Policy; Nuclear Safety, Security, and Cyber Security; Operating Plant Experience; Probabilistic Risk Assessments; SMR and Advanced Reactors, V002T08A019, August 4–5, 2020
Paper No: ICONE2020-16175
DOI: https://doi.org/10.1115/ICONE2020-16175
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Topics: Accidents, Boron, Melting, Sodium fast reactors, Stainless steel, Equilibrium (Physics), Fast neutron reactors, Heat, Mass transfer, Safety
Proceedings Papers

Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors: Kinetic Study of Boron Carbide-Stainless Steel Eutectic Melting by Differential Thermal Analysis

Shin Kikuchi, Hidemasa Yamano, Kinya Nakamura
Proc. ASME. ICONE2020, Volume 2: Nuclear Policy; Nuclear Safety, Security, and Cyber Security; Operating Plant Experience; Probabilistic Risk Assessments; SMR and Advanced Reactors, V002T08A004, August 4–5, 2020
Paper No: ICONE2020-16075
DOI: https://doi.org/10.1115/ICONE2020-16075
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Topics: Accidents, Boron, Melting, Sodium fast reactors, Steel, Thermal analysis
Proceedings Papers

Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors: Thermophysical Properties of Eutectic Mixture Containing of High Concentration Boron in a Solid State

Toshihide Takai, Tomohiro Furukawa, Hidemasa Yamano
Proc. ASME. ICONE2020, Volume 2: Nuclear Policy; Nuclear Safety, Security, and Cyber Security; Operating Plant Experience; Probabilistic Risk Assessments; SMR and Advanced Reactors, V002T08A006, August 4–5, 2020
Paper No: ICONE2020-16091
DOI: https://doi.org/10.1115/ICONE2020-16091
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Topics: Accidents, Boron, Melting, Sodium fast reactors, Stainless steel
Proceedings Papers

Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors: Project Overview and Progress Until 2018

Hidemasa Yamano, Toshihide Takai, Tomohiro Furukawa, Shin Kikuchi, Yuki Emura, Kenji Kamiyama, Hiroyuki Fukuyama, Hideo Higashi, Tsuyoshi Nishi, Hiromichi Ohta, Xiaoxing Liu, Koji Morita, Kinya Nakamura
Proc. ASME. ICONE2020, Volume 2: Nuclear Policy; Nuclear Safety, Security, and Cyber Security; Operating Plant Experience; Probabilistic Risk Assessments; SMR and Advanced Reactors, V002T08A007, August 4–5, 2020
Paper No: ICONE2020-16102
DOI: https://doi.org/10.1115/ICONE2020-16102
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Topics: Accidents, Melting, Sodium fast reactors, Stainless steel
Proceedings Papers

Development of Seismic Countermeasures Against Cliff Edges for Enhancement of Comprehensive Safety of Nuclear Power Plants: Cliff Edges Relevant to NPP Building System

Akemi Nishida, Byunghyun Choi, Hidemasa Yamano, Tsuyoshi Takada
Proc. ASME. PVP2018, Volume 8: Seismic Engineering, V008T08A028, July 15–20, 2018
Paper No: PVP2018-85066
DOI: https://doi.org/10.1115/PVP2018-85066
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Topics: Countermeasures, Nuclear power stations, Safety, Three-dimensional models, Collisions (Physics), Modeling, Boundary-value problems, Damage, Defense industry, Earthquakes
Proceedings Papers

Level 1 PRA for External Vessel Storage Tank of Japan Sodium-Cooled Fast Reactor in Scheduled Refueling

Hidemasa Yamano, Kenichi Naruto, Kenichi Kurisaka, Hiroyuki Nishino, Yasushi Okano
Proc. ASME. ICONE26, Volume 2: Plant Systems, Structures, Components, and Materials; Risk Assessments and Management, V002T14A002, July 22–26, 2018
Paper No: ICONE26-81079
DOI: https://doi.org/10.1115/ICONE26-81079
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Topics: Sodium fast reactors, Storage tanks, Vessels, Failure, Accidents, Sodium, Fuels, Damage, Dampers, Design
Journal Articles

Development of Probabilistic Risk Assessment Methodology Against Volcanic Eruption for Sodium-Cooled Fast Reactors

Hidemasa Yamano, Hiroyuki Nishino, Kenichi Kurisaka, Takahiro Yamamoto
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. September 2018, 4(3): 030902.
Paper No: RISK-16-1136
DOI: https://doi.org/10.1115/1.4037877
Published Online: December 5, 2017
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Topics: Failure, Filters, Hazards, Probability, Probabilistic risk assessment, Sodium fast reactors, Damage, Heat, Air filters
Proceedings Papers

Development of Probabilistic Risk Assessment Methodology of Decay Heat Removal Function Against Combination Hazards of Strong Wind and Rainfall for Sodium-Cooled Fast Reactors

Hidemasa Yamano, Hiroyuki Nishino, Kenichi Kurisaka
Proc. ASME. ICONE25, Volume 4: Nuclear Safety, Security, Non-Proliferation and Cyber Security; Risk Management, V004T14A005, July 2–6, 2017
Paper No: ICONE25-66059
DOI: https://doi.org/10.1115/ICONE25-66059
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Topics: Hazards, Heat, Probabilistic risk assessment, Sodium fast reactors, Wind, Failure, Missiles, Cooling systems, Drops, Wind velocity
Proceedings Papers

Development of Probabilistic Risk Assessment Methodology of Decay Heat Removal Function Against Combination Hazard of Low Temperature and Snow for Sodium-Cooled Fast Reactors

Hiroyuki Nishino, Hidemasa Yamano, Kenichi Kurisaka
Proc. ASME. ICONE25, Volume 4: Nuclear Safety, Security, Non-Proliferation and Cyber Security; Risk Management, V004T14A038, July 2–6, 2017
Paper No: ICONE25-67627
DOI: https://doi.org/10.1115/ICONE25-67627
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Topics: Hazards, Heat, Low temperature, Probabilistic risk assessment, Sodium fast reactors, Failure, Probability, Damage, Filters, Accidents
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
Paper No: ICONE24-60023
DOI: https://doi.org/10.1115/ICONE24-60023
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Topics: Hazards, Heat, Risk assessment, Sodium fast reactors, Failure, Filters, Probability, Air filters, Damage, Emergency power
Proceedings Papers

Sensitivity Study on Forest Fire Breakout and Propagation Conditions for Forest Fire Hazard Curve Evaluations

Yasushi Okano, Hidemasa Yamano
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, V004T14A004, June 26–30, 2016
Paper No: ICONE24-60047
DOI: https://doi.org/10.1115/ICONE24-60047
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Topics: Fire, Hazards, Nuclear power stations, Probability, Statistical distributions, Heat, Probabilistic risk assessment, Sodium fast reactors, Databases, Meteorology