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Proceedings Papers

Development of Prediction Tool for Flow-Accelerated Corrosion: (3) Development and Validation of Prediction Software “FALSET” With Water Single-Phase FAC Data Obtained in Japanese BWR Plants

Yuta Uchiyama, Ryo Morita, Kazutoshi Fujiwara, Kimitoshi Yoneda
Proc. ASME. PVP2023, Volume 6: Operations, Applications, & Components, V006T07A010, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105848
https://doi.org/10.1115/PVP2023-105848
View Paper titled, Development of Prediction Tool for Flow-Accelerated Corrosion: (3) Development and Validation of Prediction Software “FALSET” With Water Single-Phase FAC Data Obtained in Japanese BWR Plants
Open the PDF for Development of Prediction Tool for Flow-Accelerated Corrosion: (3) Development and Validation of Prediction Software “FALSET” With Water Single-Phase FAC Data Obtained in Japanese BWR Plants in another window
Topics: Boiling water reactors, Computer software, Corrosion, Flow (Dynamics), Oxygen, Pipes, Water
Proceedings Papers

Development of Prediction Tool for Flow-Accelerated Corrosion (4) Development and Validation of Prediction Software “FALSET” With Water Single-Phase FAC Data Obtained in Japanese PWR Plants

Ryo Morita, Yuta Uchiyama, Kazutoshi Fujiwara, Kimitoshi Yoneda
Proc. ASME. PVP2023, Volume 6: Operations, Applications, & Components, V006T07A009, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105766
https://doi.org/10.1115/PVP2023-105766
View Paper titled, Development of Prediction Tool for Flow-Accelerated Corrosion (4) Development and Validation of Prediction Software “FALSET” With Water Single-Phase FAC Data Obtained in Japanese PWR Plants
Open the PDF for Development of Prediction Tool for Flow-Accelerated Corrosion (4) Development and Validation of Prediction Software “FALSET” With Water Single-Phase FAC Data Obtained in Japanese PWR Plants in another window
Topics: Computer software, Corrosion, Flow (Dynamics), Pressurized water reactors, Water, Pipes, Power stations, Wall thickness, Maintenance, Public utilities
Proceedings Papers

Development of Prediction Tool for Flow-Accelerated Corrosion: (2) Evaluation of Geometry Factor for Various Pipe Components

Tomohisa Yuasa, Shun Watanabe, Kimitoshi Yoneda, Ryo Morita
Proc. ASME. PVP2023, Volume 6: Operations, Applications, & Components, V006T07A005, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105401
https://doi.org/10.1115/PVP2023-105401
View Paper titled, Development of Prediction Tool for Flow-Accelerated Corrosion: (2) Evaluation of Geometry Factor for Various Pipe Components
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Topics: Computational fluid dynamics, Corrosion, Flow (Dynamics), Geometry, Nuclear power stations, Pipes
Proceedings Papers

Development of Prediction Tool for Flow-Accelerated Corrosion (1) Evaluation of Pipeline Layout Effect Considering Various Pipe Component Combinations

Kimitoshi Yoneda, Tomohisa Yuasa, Yuta Uchiyama, Ryo Morita
Proc. ASME. PVP2023, Volume 6: Operations, Applications, & Components, V006T07A007, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105689
https://doi.org/10.1115/PVP2023-105689
View Paper titled, Development of Prediction Tool for Flow-Accelerated Corrosion (1) Evaluation of Pipeline Layout Effect Considering Various Pipe Component Combinations
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Topics: Corrosion, Flow (Dynamics), Pipelines, Pipes
Proceedings Papers

Development of Predictive Evaluation Methods of Pipe Wall Thinning by Flow Accelerated Corrosion at Drift Region in Junction Piping

Shun Watanabe, Ryo Morita
Proc. ASME. PVP2022, Volume 4A: Materials and Fabrication, V04AT06A047, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84566
https://doi.org/10.1115/PVP2022-84566
View Paper titled, Development of Predictive Evaluation Methods of Pipe Wall Thinning by Flow Accelerated Corrosion at Drift Region in Junction Piping
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Topics: Corrosion, Evaluation methods, Flow (Dynamics), Junctions, Pipes, Wall thickness, Mass transfer, Numerical analysis, Power stations, Reynolds number
Proceedings Papers

Simplified Elastic-Plastic Analysis Method for Piping Systems Based on Linear Time History Analysis

Yohei Ono, Michiya Sakai, Ryuya Shimazu, Fumio Inada, Ryo Morita, Yuta Uchiyama
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A001, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-81651
https://doi.org/10.1115/PVP2022-81651
View Paper titled, Simplified Elastic-Plastic Analysis Method for Piping Systems Based on Linear Time History Analysis
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Topics: Density, Earthquakes, Piping systems
Proceedings Papers

New Evaluation Method for Seismic Fatigue Damage of Plant Pipeline (Quantitative Performance and Consideration of Application)

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura
Proc. ASME. PVP2022, Volume 5: Operations, Applications, and Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T08A004, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84154
https://doi.org/10.1115/PVP2022-84154
View Paper titled, New Evaluation Method for Seismic Fatigue Damage of Plant Pipeline (Quantitative Performance and Consideration of Application)
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Topics: Evaluation methods, Fatigue damage, Pipelines
Proceedings Papers

Evaluation of Flashing Jet Impact on Surroundings Due to Leakage of High Pressure Pipes

Tomohisa Yuasa, Shun Watanabe, Ryo Morita
Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A006, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-80253
https://doi.org/10.1115/PVP2022-80253
View Paper titled, Evaluation of Flashing Jet Impact on Surroundings Due to Leakage of High Pressure Pipes
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Topics: Computational fluid dynamics, Flashing, High pressure (Physics), Leakage, Pipes, Water
Proceedings Papers

Effect of Peak Excitation Frequency on Seismic Fatigue Damage of Plant Pipelines

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura
Proc. ASME. PVP2020, Volume 9: Seismic Engineering, V009T09A004, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21407
https://doi.org/10.1115/PVP2020-21407
View Paper titled, Effect of Peak Excitation Frequency on Seismic Fatigue Damage of Plant Pipelines
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Topics: Earthquakes, Excitation, Fatigue damage, Pipelines, Vibration
Journal Articles

Combined Effects of Steam Wetness and Pressure on Characteristics of Acoustic Resonance Amplitude in Closed Side Branch

Yuta Uchiyama, Ryo Morita
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2021, 143(1): 011402.
Paper No: PVT-19-1179
https://doi.org/10.1115/1.4047648
Published Online: August 5, 2020
View Article titled, Combined Effects of Steam Wetness and Pressure on Characteristics of Acoustic Resonance Amplitude in Closed Side Branch
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Topics: Flow (Dynamics), Pressure, Steam, Resonance, Acoustics
Journal Articles

Evaluation Method for Seismic Fatigue Damage of Plant Pipeline

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura, Shin-ichi Matsuura, Kiyoshi Saito, Yasuki Ohtori
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2019, 141(2): 021801.
Paper No: PVT-18-1085
https://doi.org/10.1115/1.4042220
Published Online: February 21, 2019
View Article titled, Evaluation Method for Seismic Fatigue Damage of Plant Pipeline
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Topics: Cantilevers, Earthquakes, Evaluation methods, Fatigue damage, Pipes, Vibration, Pipelines, Waves, Stress
Proceedings Papers

Investigation of Fluid Diffusion Properties From Various Flaw Geometries of Piping

Shun Watanabe, Ryo Morita, Yuta Uchiyama
Proc. ASME. PVP2018, Volume 4: Fluid-Structure Interaction, V004T04A021, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84212
https://doi.org/10.1115/PVP2018-84212
View Paper titled, Investigation of Fluid Diffusion Properties From Various Flaw Geometries of Piping
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Topics: Diffusion (Physics), Fluids, Pipes, Flow (Dynamics), Leakage, Maintenance, Regulations, Safety, Failure, Fracture (Materials)
Proceedings Papers

Evaluation of Jet Impact Region and Fluid Force Generated From Ruptured Pipes: Part 4 — Numerical Evaluation of Affected Region by Flashing Jet Flow

Ryo Morita, Shun Watanabe, Shiro Takahashi, Noriyuki Takamura
Proc. ASME. ICONE26, Volume 6B: Thermal-Hydraulics and Safety Analyses, V06BT08A027, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-82063
https://doi.org/10.1115/ICONE26-82063
View Paper titled, Evaluation of Jet Impact Region and Fluid Force Generated From Ruptured Pipes: Part 4 — Numerical Evaluation of Affected Region by Flashing Jet Flow
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Topics: Flashing, Fluids, Jets, Pipes, Computational fluid dynamics, Safety, Steam, Damage, Design, Evaluation methods
Proceedings Papers

Considerations in Steam Piping Design for Prevention of an Acoustic Resonance at a Closed Side Branch

Ryo Morita, Yuta Uchiyama, Fumio Inada, Shiro Takahashi
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A031, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65244
https://doi.org/10.1115/PVP2017-65244
View Paper titled, Considerations in Steam Piping Design for Prevention of an Acoustic Resonance at a Closed Side Branch
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Topics: Acoustics, Piping design, Resonance, Steam, Flow (Dynamics), Boiling water reactors, Pipes, Drops, Liquid films, Computational fluid dynamics
Proceedings Papers

Expansion of Multi-Purpose Steam Facility and Application to Acoustic Resonance in a Closed Side Branch Investigating Effects of Static Pressure Under Wet Steam Flow

Yuta Uchiyama, Ryo Morita
Proc. ASME. PVP2017, Volume 4: Fluid-Structure Interaction, V004T04A028, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65189
https://doi.org/10.1115/PVP2017-65189
View Paper titled, Expansion of Multi-Purpose Steam Facility and Application to Acoustic Resonance in a Closed Side Branch Investigating Effects of Static Pressure Under Wet Steam Flow
Open the PDF for Expansion of Multi-Purpose Steam Facility and Application to Acoustic Resonance in a Closed Side Branch Investigating Effects of Static Pressure Under Wet Steam Flow in another window
Topics: Acoustics, Flow (Dynamics), Pressure, Resonance, Steam, Pipes, Test facilities, Damping, Power stations, Engineering systems and industry applications
Proceedings Papers

Buckling Strength Evaluation of Locally Wall Thinning Elbow

Michiya Sakai, Shinichi Matsuura, Ryo Morita, Fumio Inada, Shigenobu Onishi
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A032, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66161
https://doi.org/10.1115/PVP2017-66161
View Paper titled, Buckling Strength Evaluation of Locally Wall Thinning Elbow
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Topics: Buckling, Torsion, Deformation, Design, Drops, Earthquakes, Electricity (Physics), Erosion, Failure mechanisms, Finite element analysis
Proceedings Papers

Evaluation Method for Seismic Fatigue Damage of Plant Pipeline

Fumio Inada, Michiya Sakai, Ryo Morita, Ichiro Tamura, Shin-ichi Matsuura, Kiyoshi Saito, Yasuki Ohtori
Proc. ASME. PVP2017, Volume 8: Seismic Engineering, V008T08A030, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65596
https://doi.org/10.1115/PVP2017-65596
View Paper titled, Evaluation Method for Seismic Fatigue Damage of Plant Pipeline
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Topics: Evaluation methods, Fatigue damage, Pipelines, Damage, Cantilevers, Cycles, Earthquakes, Flow (Dynamics), Nuclear power plant maintenance, Pipes
Journal Articles

Flow-Induced Acoustic Resonance in a Closed Side Branch Under a Low-Pressure Wet Steam Flow

Yuta Uchiyama, Ryo Morita
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. June 2017, 139(3): 031306.
Paper No: PVT-16-1132
https://doi.org/10.1115/1.4035271
Published Online: January 11, 2017
View Article titled, Flow-Induced Acoustic Resonance in a Closed Side Branch Under a Low-Pressure Wet Steam Flow
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Topics: Flow (Dynamics), Pressure, Resonance, Steam, Pipes
Proceedings Papers

Evaluation of Jet Impact Region and Fluid Force Generated From Ruptured Pipes: 1 — Numerical and Experimental Evaluation of Affected Region by Steam Jet

Ryo Morita, Yuta Uchiyama, Shun Watanabe, Shiro Takahashi, Qiang Xu, Noriyuki Takamura
Proc. ASME. ICONE24, Volume 3: Thermal-Hydraulics, V003T09A019, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60341
https://doi.org/10.1115/ICONE24-60341
View Paper titled, Evaluation of Jet Impact Region and Fluid Force Generated From Ruptured Pipes: 1 — Numerical and Experimental Evaluation of Affected Region by Steam Jet
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Topics: Fluids, Pipes, Steam, Computational fluid dynamics, Safety, Damage, Design, Evaluation methods, Nuclear power stations, Particulate matter
Proceedings Papers

Evaluation of Jet Impact Region and Fluid Force Generated From Ruptured Pipes: 3 — Evaluation of Established Standards

Qiang Xu, Shiro Takahashi, Noriyuki Takamura, Ryo Morita, Yuta Uchiyama, Shun Watanabe
Proc. ASME. ICONE24, Volume 3: Thermal-Hydraulics, V003T09A016, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60317
https://doi.org/10.1115/ICONE24-60317
View Paper titled, Evaluation of Jet Impact Region and Fluid Force Generated From Ruptured Pipes: 3 — Evaluation of Established Standards
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Topics: Fluids, Pipes, Computational fluid dynamics, Steam, Damage, Design, Engineering standards, Evaluation methods, Nuclear power stations, Particulate matter