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Shuichiro Miwa
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Proceedings Papers

Spreading Behavior of Molten Metal on Flat Plate in a Shallow Water Pool

Yasunori Yamamoto, Tomomasa Ito, Kyosuke Nihashi, Shuichiro Miwa
Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A020, August 4–6, 2021
Paper No: ICONE28-64614
DOI: https://doi.org/10.1115/ICONE28-64614
View Paper titled, Spreading Behavior of Molten Metal on Flat Plate in a Shallow Water Pool
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Topics: Flat plates, Metals, Water
Proceedings Papers

Image Based Bubbly Flow Feature Identification Using Deep Learning

Takashi Furuhashi, Takuro Sasaki, Shuichiro Miwa
Proc. ASME. ICONE28, Volume 4: Student Paper Competition, V004T14A024, August 4–6, 2021
Paper No: ICONE28-64155
DOI: https://doi.org/10.1115/ICONE28-64155
View Paper titled, Image Based Bubbly Flow Feature Identification Using Deep Learning
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Topics: Bubbly flow, Flow (Dynamics), Two-phase flow, Bubbles, Artificial intelligence, Artificial neural networks, Feature extraction, Fittings, Fluids, Heat transfer
Proceedings Papers

Experimental Study for Evaluation of Spreading Behavior of Free-Falling Molten Core With Floor Impingement

Tomomasa Ito, Yuta Watanabe, Yasunori Yamamoto, Nassim Sahboun, Shuichiro Miwa
Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T12A054, August 4–5, 2020
Paper No: ICONE2020-16942
DOI: https://doi.org/10.1115/ICONE2020-16942
View Paper titled, Experimental Study for Evaluation of Spreading Behavior of Free-Falling Molten Core With Floor Impingement
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Topics: Accidents, Dimensionless numbers, Errors, Metals, Nuclear decommissioning, Tin, Uncertainty
Proceedings Papers

Effect of the Jet Stability on Supersonic Steam Injector Operation

Shuichiro Miwa, Takahiro Moribe, Nozomu Akiyama, Hiroto Sakashita
Proc. ASME. ICONE26, Volume 6B: Thermal-Hydraulics and Safety Analyses, V06BT08A067, July 22–26, 2018
Paper No: ICONE26-82585
DOI: https://doi.org/10.1115/ICONE26-82585
View Paper titled, Effect of the Jet Stability on Supersonic Steam Injector Operation
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Topics: Ejectors, Stability, Water, Steam, Accidents, Condensation, Jet pumps, Safety, Cooling, Flow (Dynamics)
Proceedings Papers

Two-Phase Flow Regime Identification Using Fluctuating Force Signals Under Machine Learning Techniques

Yuta Saito, Shuhei Torisaki, Shuichiro Miwa
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A019, July 22–26, 2018
Paper No: ICONE26-81288
DOI: https://doi.org/10.1115/ICONE26-81288
View Paper titled, Two-Phase Flow Regime Identification Using Fluctuating Force Signals Under Machine Learning Techniques
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Topics: Machine learning, Signals, Two-phase flow, Flow (Dynamics), Artificial neural networks, Support vector machines, Algorithms, Databases, Design, Heat
Proceedings Papers

Study on Operation Ranges and Discharge Performance of Steam Injector System

Takahiro Moribe, Hiroto Endo, Shuichiro Miwa, Hiroto Sakashita, Michitsugu Mori
Proc. ASME. ICONE25, Volume 9: Student Paper Competition, V009T15A028, July 2–6, 2017
Paper No: ICONE25-66937
DOI: https://doi.org/10.1115/ICONE25-66937
View Paper titled, Study on Operation Ranges and Discharge Performance of Steam Injector System
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Topics: Ejectors, Pressure, Steam, Water, Flow (Dynamics), Pumps, Nuclear power stations, Condensation, Cooling systems, Heat exchangers
Journal Articles

Analysis of Flow-Induced Vibration Due to Stratified Wavy Two-Phase Flow

Shuichiro Miwa, Takashi Hibiki, Michitsugu Mori
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. September 2016, 138(9): 091302.
Paper No: FE-15-1176
DOI: https://doi.org/10.1115/1.4033371
Published Online: May 30, 2016
View Article titled, Analysis of Flow-Induced Vibration Due to Stratified Wavy Two-Phase Flow
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Topics: Collisions (Physics), Flow (Dynamics), Fluctuations (Physics), Momentum, Porosity, Pressure, Two-phase flow, Waves, Flow-induced vibrations, Fluids
Proceedings Papers

Two-Phase Flow Induced Force Fluctuations on Pipe Bend

Shuichiro Miwa, Yang Liu, Takashi Hibiki, Mamoru Ishii, Yoshiyuki Kondo, Hideyuki Morita, Koichi Tanimoto
Proc. ASME. ICONE22, Volume 2B: Thermal Hydraulics, V02BT09A007, July 7–11, 2014
Paper No: ICONE22-30573
DOI: https://doi.org/10.1115/ICONE22-30573
View Paper titled, Two-Phase Flow Induced Force Fluctuations on Pipe Bend
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Topics: Fluctuations (Physics), Pipe bends, Two-phase flow, Flow (Dynamics), Slug flows, Pressure, Collisions (Physics), Databases, Fluids, Flux (Metallurgy)
Proceedings Papers

Analytical Evaluation of Debris Cooling and Spreading Behaviors at Molten Core in Severe Accident

Akihiro Kobayashi, Shuichiro Miwa, Michitsugu Mori
Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A006, July 7–11, 2014
Paper No: ICONE22-30035
DOI: https://doi.org/10.1115/ICONE22-30035
View Paper titled, Analytical Evaluation of Debris Cooling and Spreading Behaviors at Molten Core in Severe Accident
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Topics: Accidents, Cooling, Metals, Computational fluid dynamics, Containment vessels, Fluids, Fuel rods, Fukushima nuclear disaster, Japan, 2011, Nuclear power stations, Reactor vessels
Proceedings Papers

Performance Evaluation of SCS for AHTR and Time Assessment of Operation Procedures

Takahito Ogura, Junya Nakata, Mititsugu Mori, Hiroto Sakashita, Shuichiro Miwa
Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A050, July 7–11, 2014
Paper No: ICONE22-30790
DOI: https://doi.org/10.1115/ICONE22-30790
View Paper titled, Performance Evaluation of SCS for AHTR and Time Assessment of Operation Procedures
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Topics: Accidents, Coolants, Cooling, Cooling systems, Design, Failure, Floods, Flow (Dynamics), Freezing, Heat