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Journal Articles

Dimensionless Profiles of Temperature and Steam Mass Fraction in Flows of Steam-Air Mixtures on a Flat Plate

Michio Murase, Tomonori Suzuki, Yoichi Utanohara, Toshiya Takaki

ASME J of Nuclear Rad Sci. January 2023, 9(1): 011401.

Paper No: NERS-22-1006

DOI: https://doi.org/10.1115/1.4054842

Published Online: July 19, 2022

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Topics: Flow (Dynamics), Steam, Temperature, Turbulence, Condensation, Flat plates, Boundary layer turbulence, Computational fluid dynamics, Computation

Journal Articles

Prediction Method for Condensation Heat Transfer in the Presence of Noncondensable Gas for Computational Fluid Dynamics Applications

Michio Murase, Yoichi Utanohara, Akio Tomiyama

ASME J of Nuclear Rad Sci. July 2022, 8(3): 031404.

Paper No: NERS-21-1097

DOI: https://doi.org/10.1115/1.4053051

Published Online: May 26, 2022

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Topics: Condensation, Heat transfer, Steam, Temperature, Temperature distribution, Computational fluid dynamics, Mass transfer, Flat plates

Journal Articles

Prediction Method of Countercurrent Flow Limitation in a Pressurizer Surge Line and Its Evaluation for a 1/10-Scale Model

Michio Murase, Yoichi Utanohara, Takayoshi Kusunoki, Dirk Lucas, Akio Tomiyama

ASME J of Nuclear Rad Sci. July 2016, 2(3): 031021.

Paper No: NERS-15-1164

DOI: https://doi.org/10.1115/1.4033629

Published Online: June 17, 2016

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Topics: Computation, Flow (Dynamics), Pipes, Simulation, Surges, Uncertainty, Water, Computer simulation, Floods

Journal Articles

Effects of Decay Heat Distribution on Water Temperature in a Spent Fuel Pit and Prediction Errors With a One-Region Model

Chihiro Yanagi, Michio Murase, Yoichi Utanohara

ASME J of Nuclear Rad Sci. July 2016, 2(3): 031001.

Paper No: NERS-15-1113

DOI: https://doi.org/10.1115/1.4032507

Published Online: June 17, 2016

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Topics: Computation, Heat, Water, Water temperature, Temperature, Spent nuclear fuels

Journal Articles

Numerical Simulation of Temperature Distribution in a Containment Vessel of an Operating PWR Plant

Yoichi Utanohara, Michio Murase, Akihiro Masui, Ryo Inomata, Yuji Kamiya

ASME J of Nuclear Rad Sci. January 2015, 1(1): 011002.

Paper No: NERS-14-1004

DOI: https://doi.org/10.1115/1.4026389

Published Online: February 9, 2015

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Topics: Computer simulation, Flow (Dynamics), Pressurized water reactors, Temperature, Temperature distribution, Containment vessels, Heat, Simulation

Proceedings Papers

Thermal Fatigue Analysis at a Mixing Tee by a Fluid-Structural Simulation

Masayuki Kamaya, Yoichi Utanohara, Akira Nakamura

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 383-391, July 17–21, 2011

Paper No: PVP2011-57585

DOI: https://doi.org/10.1115/PVP2011-57585

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Topics: Fatigue analysis, Fluids, Simulation, Fatigue damage, Pipes, Thermal stresses, Stress, Water, Damage, Finite element methods

Proceedings Papers

Numerical Calculations for Air-Water Tests on CCFL in Different-Scale Models of a PWR Hot Leg

Michio Murase, Ikuo Kinoshita, Yoichi Utanohara, Dirk Lucas, Christophe Valle´e, Akio Tomiyama

Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 123-131, May 17–21, 2010

Paper No: ICONE18-29092

DOI: https://doi.org/10.1115/ICONE18-29092

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Topics: Pressurized water reactors, Water, Flow (Dynamics), Fluids, Steam

Proceedings Papers

Numerical Calculations on Countercurrent Air-Water Flow in Small-Scale Models of a PWR Hot Leg Using a VOF Model

Michio Murase, Yoichi Utanohara, Ikuo Kinoshita, Noritoshi Minami, Akio Tomiyama

Proc. ASME. ICONE17, Volume 3: Thermal Hydraulics; Current Advanced Reactors: Plant Design, Construction, Workforce and Public Acceptance, 141-148, July 12–16, 2009

Paper No: ICONE17-75116

DOI: https://doi.org/10.1115/ICONE17-75116

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Topics: Flow (Dynamics), Pressurized water reactors, Water, Pipes, Two-phase flow, Boilers, Cooling, Heat, Steam, Transient analysis