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Yuichi Yamamoto
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Proceedings Papers

Calculation Approach of Optimum Cutting Surfaces of Extra Length of Pipe Spools

Takashi Kitahara, Yuichi Yamamoto, Yasutaka Tagawa
Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A019, July 14–18, 2013
Paper No: PVP2013-97689
DOI: https://doi.org/10.1115/PVP2013-97689
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Topics: Cutting, Pipes, Algorithms, Construction, Modeling, Power stations
Proceedings Papers

Detailed Analyses of Specific Phenomena in Core Disruptive Accidents of Sodium-Cooled Fast Reactors by the COMPASS Code

Koji Morita, Shuai Zhang, Tatsumi Arima, Seiichi Koshizuka, Yoshiharu Tobita, Hidemasa Yamano, Takahiro Ito, Noriyuki Shirakawa, Fusao Inoue, Hiroaki Yugo, Masanori Naitoh, Hidetoshi Okada, Yuichi Yamamoto, Masashi Himi, Etsujo Hirano, Sensuke Shimizu, Masaya Oue
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 855-863, May 17–21, 2010
Paper No: ICONE18-29886
DOI: https://doi.org/10.1115/ICONE18-29886
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Topics: Accidents, Sodium fast reactors, Failure, Fuels, Ducts, Freezing, Particulate matter, Simulation, Steel, Boiling
Proceedings Papers

Next Generation Safety Analysis Methods for SFRs—(8) Analyses of Eutectics Between Fuel and Steel in Metal Fuel With FPMD Code VASP

Masashi Himi, Yuichi Yamamoto, Yasuo Nagamine, Noriyuki Shirakawa, Yasushi Uehara, Tatsumi Arima
Proc. ASME. ICONE17, Volume 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control, 495-504, July 12–16, 2009
Paper No: ICONE17-75578
DOI: https://doi.org/10.1115/ICONE17-75578
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Topics: Fuels, Metals, Safety, Sodium fast reactors, Steel, Diffusion (Physics), Molecular dynamics, Accidents, Cladding systems (Building), High temperature
Proceedings Papers

Next Generation Safety Analysis Methods for SFRs—(5) Structural Mechanics Models of COMPASS Code and Verification Analyses

Noriyuki Shirakawa, Yasushi Uehara, Masanori Naitoh, Hidetoshi Okada, Yuichi Yamamoto, Seiichi Koshizuka
Proc. ASME. ICONE17, Volume 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control, 425-434, July 12–16, 2009
Paper No: ICONE17-75532
DOI: https://doi.org/10.1115/ICONE17-75532
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Topics: Safety, Sodium fast reactors, Structural analysis, Structural mechanics, Design, Fluid dynamics, Fracture (Materials), Fracture (Process), Particulate matter, Phase transitions
Proceedings Papers

Next Generation Safety Analysis Methods for SFRs—(6) SCARABEE BE+3 Analysis With SIMMER-III and COMPASS Codes Featuring Duct-Wall Failure

Yasushi Uehara, Noriyuki Shirakawa, Masanori Naitoh, Hidetoshi Okada, Hidemasa Yamano, Yoshiharu Tobita, Yuichi Yamamoto, Seiichi Koshizuka
Proc. ASME. ICONE17, Volume 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control, 435-444, July 12–16, 2009
Paper No: ICONE17-75533
DOI: https://doi.org/10.1115/ICONE17-75533
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Topics: Ducts, Failure, Safety, Sodium fast reactors, Fuels, Model development, Accidents, Freezing, Mesoscopic systems, Metals
Proceedings Papers

Next Generation Safety Analysis Methods for SFRs—(4) Development of a Computational Framework on Fluid-Solid Mixture Flow Simulations for the COMPASS Code

Shuai Zhang, Koji Morita, Noriyuki Shirakawa, Yuichi Yamamoto
Proc. ASME. ICONE17, Volume 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control, 465-471, July 12–16, 2009
Paper No: ICONE17-75549
DOI: https://doi.org/10.1115/ICONE17-75549
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Topics: Flow simulation, Fluids, Safety, Sodium fast reactors, Discrete element methods, Engineering simulation, Rods, Simulation, Solids, Accidents
Proceedings Papers

Next Generation Safety Analysis Methods for SFRs—(3) Thermal Hydraulics Models of COMPASS Code and Experimental Analyses

Yuichi Yamamoto, Etsujo Hirano, Masaya Oue, Sensuke Shimizu, Noriyuki Shirakawa, Seiichi Koshizuka, Koji Morita, Hidemasa Yamano, Yoshiharu Tobita
Proc. ASME. ICONE17, Volume 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control, 409-418, July 12–16, 2009
Paper No: ICONE17-75521
DOI: https://doi.org/10.1115/ICONE17-75521
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Topics: Experimental analysis, Safety, Sodium fast reactors, Thermal hydraulics, Accidents, Computers, Conceptual design, Particulate matter, Physics
Proceedings Papers

R&D of the Next Generation Safety Analysis Methods for Fast Reactors With New Computational Science and Technology: 6 — Study of Eutectic Reaction Between Metals: FPMD Approach

Masashi Himi, Hiroshi Kozakai, Yuichi Yamamoto, Seigo Hosoda, Noriyuki Shirakawa, Tatsumi Arima
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 351-358, May 11–15, 2008
Paper No: ICONE16-48482
DOI: https://doi.org/10.1115/ICONE16-48482
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Topics: Fast neutron reactors, Metals, Safety, Scientific computing, Fuels, Sodium fast reactors, Accidents, Cladding systems (Building), Computers, Molecular dynamics
Proceedings Papers

R&D of the Next Generation Safety Analysis Methods for Fast Reactors With New Computational Science and Technology: Part 2 — Development and Verification of Thermo-Hydrodynamics Module of the COMPASS Code

Yuichi Yamamoto, Etsujo Hirano, Masaya Oue, Sensuke Shimizu, Noriyuki Shirakawa, Seiichi Koshizuka, Koji Morita
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 359-367, May 11–15, 2008
Paper No: ICONE16-48485
DOI: https://doi.org/10.1115/ICONE16-48485
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Topics: Accidents, Computers, Conceptual design, Fast neutron reactors, Hydrodynamics, Particulate matter, Physics, Safety, Scientific computing, Sodium fast reactors
Proceedings Papers

R&D of the Next Generation Safety Analysis Methods for Fast Reactors With New Computational Science and Technology: 1 — Introduction of the Project and Development of Structural Mechanics Module

Seiichi Koshizuka, Jie Liu, Noriyuki Shirakawa, Yasushi Uehara, Masanori Naitoh, Yuichi Yamamoto
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 383-390, May 11–15, 2008
Paper No: ICONE16-48499
DOI: https://doi.org/10.1115/ICONE16-48499
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Topics: Fast neutron reactors, Safety, Scientific computing, Structural analysis, Structural mechanics, Sodium fast reactors, Accidents, Computers, Conceptual design, Education
Proceedings Papers

R&D of the Next Generation Safety Analysis Methods for Fast Reactors With New Computational Science and Technology: 3 — Improvement of Basic Fluid Dynamics Models for the COMPASS Code

Shuai Zhang, Koji Morita, Noriyuki Shirakawa, Yuichi Yamamoto
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 345-350, May 11–15, 2008
Paper No: ICONE16-48475
DOI: https://doi.org/10.1115/ICONE16-48475
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Topics: Fast neutron reactors, Fluid dynamics, Safety, Scientific computing, Algorithms, Particulate matter, Pressure, Simulation, Fluids, Solids
Proceedings Papers

Two-Phase Flow Analysis With the Two-Fluid MPS Method: II — Analysis of the Bulk Subcooled Boiling

Noriyuki Shirakawa, Yuichi Yamamoto, Hideki Horie
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2175-2181, July 6–10, 2003
Paper No: FEDSM2003-45441
DOI: https://doi.org/10.1115/FEDSM2003-45441
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Topics: Boiling, Fluids, Subcooling, Two-phase flow, Porosity, Water
Proceedings Papers

Two-Phase Flow Analysis With the Two-Fluid MPS Method: I — Analysis of the Forced Convection Boiling

Hideki Horie, Yuichi Yamamoto, Noriyuki Shirakwa
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2067-2074, July 6–10, 2003
Paper No: FEDSM2003-45428
DOI: https://doi.org/10.1115/FEDSM2003-45428
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Topics: Boiling, Fluids, Forced convection, Two-phase flow, Particulate matter, Navier-Stokes equations, Surface tension