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Shuichi Ohmori
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Proceedings Papers

The Effect of Partial-Load Operation on a Gas Turbine Compressor of an Advanced Combined Cycle Power Plant

Yasuharu Hagita, Hironori Miyazawa, Takashi Furusawa, Satoru Yamamoto, Koichi Yonezawa, Shuichi Umezawa, Shuichi Ohmori, Takeshi Suzuki
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A006, June 13–17, 2022
Paper No: GT2022-80251
DOI: https://doi.org/10.1115/GT2022-80251
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Topics: Combined cycle power stations, Compressors, Gas turbines, Stress, Unsteady flow
Proceedings Papers

Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades

Hironori Miyazawa, Akihiro Uemura, Takashi Furusawa, Satoru Yamamoto, Koichi Yonezawa, Shuichi Umezawa, Shuichi Ohmori, Takeshi Suzuki
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A018, September 21–25, 2020
Paper No: GT2020-14937
DOI: https://doi.org/10.1115/GT2020-14937
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Topics: Blades, Pressure, Rotors, Simulation, Stators, Steam turbines, Unsteady flow, Maintenance, Flow (Dynamics), Fracture (Process)
Proceedings Papers

Numerical Study of Influence of Rotor Tip Gap Increase due to Age Deterioration in 3-Stage Gas Turbine

Koichi Yonezawa, Junichi Sakamoto, Kazuyasu Sugiyama, Shuichi Ohmori, Shuichi Umezawa
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A034, September 21–25, 2020
Paper No: GT2020-16270
DOI: https://doi.org/10.1115/GT2020-16270
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Topics: Gas turbines, Rotors, Blades, Clearances (Engineering), Computational fluid dynamics, Simulation, Boundary-value problems, Entropy, Flow (Dynamics), Heat
Proceedings Papers

An Impact Assessment of Erosion of Nozzle Guide Vanes and Rotor Blades on Aerodynamic Performance of a Gas Turbine by CFD

Koichi Yonezawa, Masahiro Takayasu, Genki Nakai, Kazuyasu Sugiyama, Katsuhiko Sugita, Shuichi Umezawa, Shuichi Ohmori
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A013, June 17–21, 2019
Paper No: GT2019-90636
DOI: https://doi.org/10.1115/GT2019-90636
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Topics: Blades, Computational fluid dynamics, Erosion, Gas turbines, Nozzle guide vanes, Rotors, Nozzles, Cycles, Flow (Dynamics), Heat
Proceedings Papers

Fundamental Study on Development of Air-Coupled Ultrasonic Imaging Measurement for Fuel Debris Inspection

Hironobu Kiuchi, Shun Kimura, Ari Hamdani, Hideharu Takahashi, Hiroshige Kikura, Daisuke Sasa, Shuichi Ohmori
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A072, July 22–26, 2018
Paper No: ICONE26-82150
DOI: https://doi.org/10.1115/ICONE26-82150
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Topics: Fuels, Inspection, Ultrasonic imaging, Transducers, Imaging, Nuclear power stations, Shapes, Acoustic intensity, Echoes, Fukushima nuclear disaster, Japan, 2011
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
Paper No: ICONE18-29568
DOI: https://doi.org/10.1115/ICONE18-29568
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Topics: Ejectors, Flow (Dynamics), Vapors, Water, Heat, Momentum, Steam, Boundary layers, Condensation, Enthalpy
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
Paper No: HT2007-32721
DOI: https://doi.org/10.1115/HT2007-32721
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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
Paper No: ICONE16-48879
DOI: https://doi.org/10.1115/ICONE16-48879
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Topics: Ejectors, Nuclear power stations, Simulation, Water, Pressure, Steam, Accidents, Emergency core cooling systems, Pumps, Safety
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
Paper No: ICONE16-48338
DOI: https://doi.org/10.1115/ICONE16-48338
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Topics: Ejectors, Turbulence, Water, Steam, Condensation, Momentum, Heat, Pressure, Shear stress, Density
Proceedings Papers

Effect of Non-Condensable Gas on Steam Injector

Yujiro Kawamoto, Yutaka Abe, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 867-872, April 25–29, 2004
Paper No: ICONE12-49593
DOI: https://doi.org/10.1115/ICONE12-49593
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Topics: Ejectors, Condensation, Pumps, Steam, Water, Engines, Flow (Dynamics), Gases, Heat transfer, Image processing
Proceedings Papers

Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 11—Visualization Study on the Start-Up of the Steam Injector

Koji Okamoto, Tadashi Narabayashi, Chikako Iwaki, Shuichi Ohmori, Michitsugu Mori
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 803-807, July 17–20, 2006
Paper No: ICONE14-89342
DOI: https://doi.org/10.1115/ICONE14-89342
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Topics: Ejectors, Nuclear power stations, Visualization, Water, Lasers, Condensation, Flow (Dynamics), Fluids, Heat transfer, Lenses (Optics)
Proceedings Papers

Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 9—System Outline and Endurance Test of Low-Pressure Steam Injectors

Shuichi Ohmori, Michitsugu Mori, Shoji Goto, Tadashi Narabayashi, Chikako Iwaki, Yutaka Asanuma
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 817-825, July 17–20, 2006
Paper No: ICONE14-89391
DOI: https://doi.org/10.1115/ICONE14-89391
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Topics: Ejectors, Nuclear power stations, Pressure, Feedwater, Accidents, Economics , Emergency core cooling systems, Safety, Containment, Cooling systems
Proceedings Papers

Development of Technologies on Innovative-Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 12—Evaluations of Spatial Distributions of Flow and Heat Transfer in Steam Injector

Yutaka Abe, Yujiro Kawamoto, Chikako Iwaki, Tadashi Narabayashi, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 827-834, July 17–20, 2006
Paper No: ICONE14-89417
DOI: https://doi.org/10.1115/ICONE14-89417
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Topics: Ejectors, Flow (Dynamics), Heat transfer, Nuclear power stations, Steam, Water, Pressure, Condensation, Heat exchangers, Nuclear reactors
Proceedings Papers

Development of Technologies on Innovative Simplified Nuclear Power Plant Using High-Efficiency Steam Injectors: Part 10—Application to a Small District-Heating Reactor

Tadashi Narabayashi, Yoichiro Shimazu, Toshihiko Murase, Masatoshi Nagai, Michitsugu Mori, Shuichi Ohmori
Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 923-931, July 17–20, 2006
Paper No: ICONE14-89753
DOI: https://doi.org/10.1115/ICONE14-89753
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Topics: Central heating, Computational fluid dynamics, Ejectors, Nuclear power stations, Pressurized water reactors, Two-phase flow