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Proceedings Papers

Crack Remaining Repair Techniques in Japan

Hiroya Ichikawa, Takayuki Kaminaga, Yoshiyuki Miyoshi, Ryuji Kimura
Proc. ASME. PVP2018, Volume 1B: Codes and Standards, V01BT01A060, July 15–20, 2018
Paper No: PVP2018-84472
DOI: https://doi.org/10.1115/PVP2018-84472
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Topics: Fracture (Materials), Maintenance, Leakage, Nozzles, Welding, Cracking (Materials), Fitness-for-service, Fracture (Process), Pipes, Stress corrosion cracking
Proceedings Papers

Repair Welding of Irradiated Reactor Pressure Vessels Steel and Current Direction of Revising JSME Fitness-for-Service Code

Hiroyuki Adachi, Ryuji Kimura, Yusuke Kono
Proc. ASME. PVP2017, Volume 1B: Codes and Standards, V01BT01A055, July 16–20, 2017
Paper No: PVP2017-65659
DOI: https://doi.org/10.1115/PVP2017-65659
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Topics: Fitness-for-service, Japan Society of Mechanical Engineers, Maintenance, Reactor vessels, Steel, Welding, Helium, Light water reactors, Neutrons, ASME Standards
Proceedings Papers

WJP Applicability Study for PWR Components As a PWSCC Mitigation Technique

Ryuji Kimura, Noboru Saito, Hisamitsu Hato, Akihiro Kanno, Masami Ando, Hiroshi Muto, Fujio Yoshikubo, Morio Sato, Hiroyuki Kawamoto
Proc. ASME. PVP2017, Volume 1B: Codes and Standards, V01BT01A058, July 16–20, 2017
Paper No: PVP2017-66164
DOI: https://doi.org/10.1115/PVP2017-66164
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Topics: Pressurized water reactors, Stress, Nozzles, Water, Shot peening, Flow (Dynamics), Reactor vessels, Cavitation, Inspection, Bubbles
Proceedings Papers

Evaluation for Nondestructive Crack Sizing Capability on Cracked Surface Treated by Water Jet Peening

Ryuji Kimura, Fujio Yoshikubo, Kazuya Ehara, Nobuo Murakami, Akihiro Kanno
Proc. ASME. PVP2013, Volume 1B: Codes and Standards, V01BT01A052, July 14–18, 2013
Paper No: PVP2013-97652
DOI: https://doi.org/10.1115/PVP2013-97652
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Topics: Fracture (Materials), Shot peening, Water, Crack propagation, Nuclear power stations, Pressurized water reactors, Ultrasonic testing, Alloys, Compression, Eddy current testing
Proceedings Papers

Effect of Channel Wetting Properties on Flow Characteristics of Gas-Liquid Two-Phase Flow in a Microchannel

Hideo Ide, Ryuji Kimura, Masahiro Kawaji
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2493-2500, July 24–29, 2011
Paper No: AJK2011-10015
DOI: https://doi.org/10.1115/AJK2011-10015
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Topics: Flow (Dynamics), Microchannels, Two-phase flow, Wetting, Slug flows, Junctions, Porosity, Friction, Nitrogen, Optical measurement
Proceedings Papers

Effects of Channel Length on Gas-Liquid Two-Phase Flow Phenomena in a Microchannel

Hideo Ide, Ryuji Kimura, Masahiro Kawaji
Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2, 377-383, June 19–22, 2011
Paper No: ICNMM2011-58081
DOI: https://doi.org/10.1115/ICNMM2011-58081
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Topics: Microchannels, Two-phase flow, Flow (Dynamics), Slug flows, Porosity, Film flow, Optical measurement
Proceedings Papers

Effect of Channel Length on the Gas-Liquid Two-Phase Flow Phenomena in a Microchannel

Ryuji Kimura, Hideo Ide, Hiroshi Hashiguchi, Masahiro Kawaji
Proc. ASME. ICNMM2009, ASME 2009 7th International Conference on Nanochannels, Microchannels and Minichannels, 1141-1145, June 22–24, 2009
Paper No: ICNMM2009-82228
DOI: https://doi.org/10.1115/ICNMM2009-82228
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Topics: Microchannels, Two-phase flow, Porosity, Junctions, Flow (Dynamics), Geometry, Optical measurement
Proceedings Papers

Effect of Wetting on Adiabatic Gas-Liquid Two-Phase Flow in a Microchannel

Hideo Ide, Ryuji Kimura, Kazuki Inoue, Masahiro Kawaji
Proc. ASME. ICNMM2008, ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels, 337-342, June 23–25, 2008
Paper No: ICNMM2008-62235
DOI: https://doi.org/10.1115/ICNMM2008-62235
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Topics: Microchannels, Two-phase flow, Wetting, Slug flows, Junctions, Porosity, Flow (Dynamics), Friction, Nitrogen, Optical measurement
Proceedings Papers

Effect of Inlet Geometry on Adiabatic Gas-Liquid Two-Phase Flow in a Microchannel

Hideo Ide, Ryuji Kimura, Masahiro Kawaji
Proc. ASME. ICNMM2007, ASME 5th International Conference on Nanochannels, Microchannels, and Minichannels, 933-938, June 18–20, 2007
Paper No: ICNMM2007-30141
DOI: https://doi.org/10.1115/ICNMM2007-30141
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Topics: Geometry, Microchannels, Two-phase flow, Slug flows, Junctions, Porosity, Flow control valves, Friction, Optical fiber, Optical measurement
Proceedings Papers

Optical Measurement of Void Fraction and Bubble Size Distributions in a Microchannel

Hideo Ide, Ryuji Kimura, Masahiro Kawaji
Proc. ASME. ICNMM2006, ASME 4th International Conference on Nanochannels, Microchannels, and Minichannels, Parts A and B, 1089-1095, June 19–21, 2006
Paper No: ICNMM2006-96100
DOI: https://doi.org/10.1115/ICNMM2006-96100
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Topics: Bubbles, Microchannels, Optical measurement, Porosity, Probes, Flow (Dynamics), Optical fiber, Photodiodes, Signals, Two-phase flow