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Michitsugu Mori
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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
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-66937
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
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2016, 138(9): 091302.
Paper No: FE-15-1176
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

Influence of Two-Phase Flow Structure on Operating Characteristics of the Supersonic Steam Injector

Kyosuke Sato, Yutaka Abe, Akiko Kaneko, Michitsugu Mori
Proc. ASME. ICONE22, Volume 2A: Thermal Hydraulics, V02AT09A004, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30039
https://doi.org/10.1115/ICONE22-30039
View Paper titled, Influence of Two-Phase Flow Structure on Operating Characteristics of the Supersonic Steam Injector
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Topics: Ejectors, Two-phase flow, Flow (Dynamics), Pressure, Steam, Water, Stress, Accidents, Condensation, Diffusers
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
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30035
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

Countermeasures to Improve LWR Safety Level in Design and Operation by Accident Analyses at Fukushima Daiichi Nuclear Power Plants

Kazumasa Shimizu, Yuhei Hamada, Hiroto Sakashita, Michitsugu Mori
Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A048, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16554
https://doi.org/10.1115/ICONE21-16554
View Paper titled, Countermeasures to Improve LWR Safety Level in Design and Operation by Accident Analyses at Fukushima Daiichi Nuclear Power Plants
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Topics: Accidents, Boiling water reactors, Condensers (steam plant), Countermeasures, Design, Fukushima nuclear disaster, Japan, 2011, Light water reactors, Nuclear power stations, Safety
Proceedings Papers

Performance Evaluation of DRACS System for FHTR and Time Assessment of Operation Procedure

Junya Nakata, Mikihiro Wakui, Michitsugu Mori, Hiroto Sakashita, Charles Forsberg
Proc. ASME. ICONE21, Volume 6: Beyond Design Basis Events; Student Paper Competition, V006T16A049, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16571
https://doi.org/10.1115/ICONE21-16571
View Paper titled, Performance Evaluation of DRACS System for FHTR and Time Assessment of Operation Procedure
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Topics: Accidents, High temperature, Performance evaluation, Heat, Sodium fast reactors, China, Computer simulation, Coolants, Cooling, Cooling systems
Journal Articles

Experimental Study of Adiabatic Two-Phase Flow in an Annular Channel Under Low-Frequency Vibration

Shao-Wen Chen, Takashi Hibiki, Mamoru Ishii, Michitsugu Mori, Fumitoshi Watanabe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2014, 136(3): 032501.
Paper No: GTP-13-1160
https://doi.org/10.1115/1.4025726
Published Online: November 14, 2013
View Article titled, Experimental Study of Adiabatic Two-Phase Flow in an Annular Channel Under Low-Frequency Vibration
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Topics: Annulus, Flow (Dynamics), Porosity, Signals, Two-phase flow, Vibration, Artificial neural networks, Engines, Motors
Proceedings Papers

Operating Condition of Steam Injector as a Passive Cooling System at Severe Accident of Nuclear Power Plant

Yutaka Abe, Shunsuke Shibayama, Akiko Kaneko, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 767-776, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54868
https://doi.org/10.1115/ICONE20-POWER2012-54868
View Paper titled, Operating Condition of Steam Injector as a Passive Cooling System at Severe Accident of Nuclear Power Plant
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Topics: Accidents, Cooling systems, Ejectors, Nuclear power stations, Pressure, Diffusers, Nozzles, Steam, Water, Flow (Dynamics)
Proceedings Papers

Experiment of Adiabatic Two-Phase Flow in an Annulus Under Low-Frequency Vibration

Shao-Wen Chen, Caleb S. Brooks, Chris Macke, Takashi Hibiki, Mamoru Ishii, Michitsugu Mori
Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 467-476, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54566
https://doi.org/10.1115/ICONE20-POWER2012-54566
View Paper titled, Experiment of Adiabatic Two-Phase Flow in an Annulus Under Low-Frequency Vibration
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Topics: Annulus, Two-phase flow, Vibration, Flow (Dynamics), Porosity, Signals, Artificial neural networks, Boiling water reactors, Displacement, Dynamics (Mechanics)
Proceedings Papers

Parametric Investigation on the Effect Factors for Liquid Droplet Impingement Erosion

Rui Li, Hisashi Ninokata, Michitsugu Mori
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 1347-1355, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-03034
https://doi.org/10.1115/AJK2011-03034
View Paper titled, Parametric Investigation on the Effect Factors for Liquid Droplet Impingement Erosion
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Topics: Drops, Erosion, Pipes, Accidents, Algorithms, Computational fluid dynamics, Computer simulation, Engineers, Fluids, Geometry
Proceedings Papers

Study on the Interfacial Behavior and Thermal Characteristics in Liquid-Vapor Flow of the Supersonic Steam Injector

Shunsuke Shibayama, Yutaka Abe, Akiko Kaneko, Akira Fukuichi, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 2, 599-608, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-29568
https://doi.org/10.1115/ICONE18-29568
View Paper titled, Study on the Interfacial Behavior and Thermal Characteristics in Liquid-Vapor Flow of the Supersonic Steam Injector
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Topics: Ejectors, Flow (Dynamics), Vapors, Water, Heat, Momentum, Steam, Boundary layers, Condensation, Enthalpy
Proceedings Papers

Study on Pipe Wastage Mechanism by Liquid Droplet Impingement Erosion

Yuma Higashi, Tadashi Narabayashi, Yoichiro Shimazu, Masashi Tsuji, Syuichi Ohmori, Michitsugu Mori, Kenichi Tezuka
Proc. ASME. ICONE17, Volume 2: Structural Integrity; Safety and Security; Advanced Applications of Nuclear Technology; Balance of Plant for Nuclear Applications, 1021-1027, July 12–16, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICONE17-76029
https://doi.org/10.1115/ICONE17-76029
View Paper titled, Study on Pipe Wastage Mechanism by Liquid Droplet Impingement Erosion
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Topics: Drops, Erosion, Pipes, Corners (Structural elements), Corrosion, Errors, Flow (Dynamics), Mass measurement, Microscopes, Nuclear power stations
Proceedings Papers

Experiments and Analytical Simulation Work on an Innovative Steam-Injector-Driven Passive Core Injection Cooling System

Michitsugu Mori, Tadashi Narabayashi, Shuichi Ohmori, Fumitoshi Watanabe
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2, 635-644, July 8–12, 2007
Publisher: American Society of Mechanical Engineers
Paper No: HT2007-32721
https://doi.org/10.1115/HT2007-32721
View Paper titled, Experiments and Analytical Simulation Work on an Innovative Steam-Injector-Driven Passive Core Injection Cooling System
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Topics: Cooling systems, Ejectors, Simulation, Steam, Water, Coolants, Accidents, Pressure, Valves, Emergency core cooling systems
Proceedings Papers

Experiments and Analytical Simulation on Steam Injector Driven Passive Core Injection System for Innovative-Simplified Nuclear Power Plant

Shuichi Ohmori, Tadashi Narabayashi, Michitsugu Mori, Fumitoshi Watanabe
Proc. ASME. ICONE16, Volume 3: Thermal Hydraulics; Instrumentation and Controls, 891-900, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48879
https://doi.org/10.1115/ICONE16-48879
View Paper titled, Experiments and Analytical Simulation on Steam Injector Driven Passive Core Injection System for Innovative-Simplified Nuclear Power Plant
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Topics: Ejectors, Nuclear power stations, Simulation, Water, Pressure, Steam, Accidents, Emergency core cooling systems, Pumps, Safety
Proceedings Papers

Visualization Study on Complicated Flow Through Lower Plenum of BWR

Yuta Sano, Yutaka Abe, Akiko Fujiwara, Shoji Goto, Fumitoshi Watanabe, Michitsugu Mori
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 789-796, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48339
https://doi.org/10.1115/ICONE16-48339
View Paper titled, Visualization Study on Complicated Flow Through Lower Plenum of BWR
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Topics: Boiling water reactors, Flow (Dynamics), Visualization, Computational fluid dynamics, Reynolds number, Coolants, Simulation results, Turbulence, Databases, Fuels
Proceedings Papers

Study on Mechanism of Condensation Heat Transfer of Water Jet in Steam Injector

Takahiro Shimizu, Yuhki Takahashi, Yasuo Koizumi, Hiroyasu Ohtake, Toru Miyashita, Michitsugu Mori
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 629-634, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48174
https://doi.org/10.1115/ICONE16-48174
View Paper titled, Study on Mechanism of Condensation Heat Transfer of Water Jet in Steam Injector
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Topics: Condensation, Ejectors, Heat, Heat transfer, Steam, Turbulence, Water
Proceedings Papers

Study on Turbulent Behavior of Water Jet in Supersonic Steam Injector

Akira Fukuichi, Yutaka Abe, Akiko Fujiwara, Yujiro Kawamoto, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE16, Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 779-788, May 11–15, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICONE16-48338
https://doi.org/10.1115/ICONE16-48338
View Paper titled, Study on Turbulent Behavior of Water Jet in Supersonic Steam Injector
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Topics: Ejectors, Turbulence, Water, Steam, Condensation, Momentum, Heat, Pressure, Shear stress, Density
Proceedings Papers

Particle Image Velocimetry for Air Flows Behind Permeable Cylinders

Hirotaka Takeuchi, Yuji Tasaka, Yuichi Murai, Yasushi Takeda, Hideaki Tezuka, Michitsugu Mori
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 671-678, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37035
https://doi.org/10.1115/FEDSM2007-37035
View Paper titled, Particle Image Velocimetry for Air Flows Behind Permeable Cylinders
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Topics: Air flow, Cylinders, Particulate matter, Flow (Dynamics), Permeability, Smoke, Brightness (Photometry), Circular cylinders, Density, Eddies (Fluid dynamics)
Proceedings Papers

Velocity Profile Measurements of Two-Phase Flow in Rectangular Channel Using Ultrasonic Time-Domain Correlation Method

Takuya Hayashida, Hideki Murakawa, Hiroshige Kikura, Masanori Aritomi, Michitsugu Mori
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 707-714, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37072
https://doi.org/10.1115/FEDSM2007-37072
View Paper titled, Velocity Profile Measurements of Two-Phase Flow in Rectangular Channel Using Ultrasonic Time-Domain Correlation Method
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Topics: Two-phase flow, Bubbles, Ultrasound, Density, Echoes, Signals, Waves, Biomedicine, Bubbly flow, Doppler effect
Proceedings Papers

Development of Plus Ultrasonic Doppler Method for Flow Rate Measurements of Power Plant: Multiline Flow Rate Measurement for Non Developed Flow

Hiroshige Kikura, Sanehiro Wada, Masanori Aritomi, Michitsugu Mori, Yasushi Takeda
Proc. ASME. ICONE10, 10th International Conference on Nuclear Engineering, Volume 3, 975-979, April 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: ICONE10-22574
https://doi.org/10.1115/ICONE10-22574
View Paper titled, Development of Plus Ultrasonic Doppler Method for Flow Rate Measurements of Power Plant: Multiline Flow Rate Measurement for Non Developed Flow
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Topics: Flow (Dynamics), Power stations