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Tomohisa Yuasa
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Journal Articles

An Improved Model for Predicting Affected Region of Flashing Jet

Tomohisa Yuasa, Shun Watanabe, Ryo Morita
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. December 2024, 146(6): 061401.
Paper No: PVT-24-1045
https://doi.org/10.1115/1.4066558
Published Online: October 22, 2024
View Articletitled, An Improved Model for Predicting Affected Region of Flashing Jet
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Topics: Computational fluid dynamics, Flashing, Pressure, Subcooling, Water, Enthalpy, Pipes, Nozzles
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

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
Journal Articles

Flow Behavior and Heat Transfer Characteristics Between Outer and Slotted Inner Cylinders

Tomohisa Yuasa, Akiko Kaneko, Yutaka Abe
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. January 2022, 144(1): 011002.
Paper No: HT-20-1784
https://doi.org/10.1115/1.4052607
Published Online: November 12, 2021
View Articletitled, Flow Behavior and Heat Transfer Characteristics Between Outer and Slotted Inner Cylinders
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Topics: Computer simulation, Cylinders, Flow (Dynamics), Heat transfer, Rotors, Temperature, Stators, Heat transfer coefficients, Flow visualization, Generators
Includes: Supplementary data
Proceedings Papers

Bubble Generation Behavior Around a Rotating Body in Highly Viscous Fluid

Shigeto Akatsuka, Shimpei Saito, Tomohisa Yuasa, Akiko Kaneko, Yutaka Abe
Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A003, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5252
https://doi.org/10.1115/AJKFluids2019-5252
View Paper titled, Bubble Generation Behavior Around a Rotating Body in Highly Viscous Fluid
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Topics: Bubbles, Fluids, Gears, Kinematics, Rotating bodies, Viscosity
Proceedings Papers

Experimental Study of Aerosol Behavior During Pool Scrubbing: Part 2 — Decontamination of Aerosol Particle in Two Phase Flow

Wataru Kikuchi, Kota Fujiwara, Yuki Nakamura, Shimpei Saito, Tomohisa Yuasa, Akiko Kaneko, Yutaka Abe
Proc. ASME. ICONE26, Volume 6A: Thermal-Hydraulics and Safety Analyses, V06AT08A063, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81659
https://doi.org/10.1115/ICONE26-81659
View Paper titled, Experimental Study of Aerosol Behavior During Pool Scrubbing: Part 2 — Decontamination of Aerosol Particle in Two Phase Flow
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Topics: Aerosols, Decontamination, Particulate matter, Two-phase flow, Flow (Dynamics), Water, Bubbles, Nozzles, Nuclear power stations, Porosity
Proceedings Papers

Two Phase Flow Behavior During Pool Scrubbing

Yuki Nakamura, Kota Fujiwara, Wataru Kikuchi, Shimpei Saito, Tomohisa Yuasa, Akiko Kaneko, Yutaka Abe
Proc. ASME. ICONE26, Volume 9: Student Paper Competition, V009T16A032, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81497
https://doi.org/10.1115/ICONE26-81497
View Paper titled, Two Phase Flow Behavior During Pool Scrubbing
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Topics: Two-phase flow, Bubbles, Water, Flow (Dynamics), Accidents, Nozzles, Particulate matter, Thermal stratification, Decontamination, Steam
Proceedings Papers

Mechanism of Flashing Phenomena Induced by Microwave Heating

Shunya Fujita, Yutaka Abe, Akiko Kaneko, Tomohisa Yuasa, Tomoomi Segawa, Yoshikazu Yamada, Yoshiyuki Kato, Katsunori Ishii
Proc. ASME. ICONE26, Volume 6A: Thermal-Hydraulics and Safety Analyses, V06AT08A065, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81699
https://doi.org/10.1115/ICONE26-81699
View Paper titled, Mechanism of Flashing Phenomena Induced by Microwave Heating
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Topics: Flashing, Microwave heating, Vessels, Boiling, Potassium, Transients (Dynamics), Irradiation (Radiation exposure), Microwaves, Temperature, Water
Proceedings Papers

Experimental Study of Aerosol Behavior During Pool Scrubbing: Part 1 — Visualization Measurement of Aerosol Particle in a Single Rising Bubble

Kota Fujiwara, Wataru Kikuchi, Yuki Nakamura, Shimpei Saito, Tomohisa Yuasa, Akiko Kaneko, Yutaka Abe
Proc. ASME. ICONE26, Volume 6A: Thermal-Hydraulics and Safety Analyses, V06AT08A034, July 22–26, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICONE26-81383
https://doi.org/10.1115/ICONE26-81383
View Paper titled, Experimental Study of Aerosol Behavior During Pool Scrubbing: Part 1 — Visualization Measurement of Aerosol Particle in a Single Rising Bubble
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Topics: Aerosols, Bubbles, Particulate matter, Visualization, Flow (Dynamics), Collapse, Decontamination, Diffusion (Physics), Density, Drops
Proceedings Papers

Flushing Phenomena and Flow Structure by Microwave Heating

Shunya Fujita, Yutaka Abe, Akiko Kaneko, Fuminori Chonan, Tomohisa Yuasa, Tomoomi Segawa, Yoshikazu Yamada
Proc. ASME. ICONE25, Volume 6: Thermal-Hydraulics, V006T08A091, July 2–6, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICONE25-67354
https://doi.org/10.1115/ICONE25-67354
View Paper titled, Flushing Phenomena and Flow Structure by Microwave Heating
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Topics: Flow (Dynamics), Microwave heating, Bubbles, Boiling, Vessels, Transients (Dynamics), Water, Heat, Heating, Temperature
Proceedings Papers

Effect of Inner Shape on Thermo-Fluid Characteristics of an Electric Vehicle Motor

Tomohisa Yuasa, Satoru Hirano, Tetsuya Kanagawa, Akiko Kaneko, Yutaka Abe
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT16A002, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-16290
https://doi.org/10.1115/AJKFluids2015-16290
View Paper titled, Effect of Inner Shape on Thermo-Fluid Characteristics of an Electric Vehicle Motor
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Topics: Electric vehicles, Engines, Motors, Shapes, Thermofluids, Cylinders, Stators, Flow (Dynamics), Rotors, Design