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Tomoaki Kunugi
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Proceedings Papers

General Discussion on Terminal Velocity for Rising Single Bubble

Qinghua Wang, Zensaku Kawara, Takehiko Yokomine, Tomoaki Kunugi
Proc. ASME. ICONE28, Volume 2: Nuclear Fuels, Research, and Fuel Cycle; Nuclear Codes and Standards; Thermal-Hydraulics, V002T07A021, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64697
https://doi.org/10.1115/ICONE28-64697
View Paper titled, General Discussion on Terminal Velocity for Rising Single Bubble
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Topics: Bubbles, Electromagnetic scattering, Oscillations
Journal Articles

Spatiotemporal Evolution of Rotational Natural Cavitation in Rotational Supercavitating Evaporator for Desalination

Zhi-Ying Zheng, Lu Wang, Wei-Hua Cai, Xin Zheng, Qian Li, Tomoaki Kunugi, Hui Li, Feng-Chen Li
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2020, 142(5): 051205.
Paper No: FE-19-1426
https://doi.org/10.1115/1.4045612
Published Online: February 4, 2020
View Article titled, Spatiotemporal Evolution of Rotational Natural Cavitation in Rotational Supercavitating Evaporator for Desalination
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Topics: Blades, Cavitation, Cavities, Flow (Dynamics), Spatiotemporal phenomena, Vortices, Computer simulation, Vapors, Rotation
Proceedings Papers

Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt

Naoki Osawa, Yoshinobu Yamamoto, Tomoaki Kunugi
Proc. ASME. ICONE22, Volume 5: Innovative Nuclear Power Plant Design and New Technology Application; Student Paper Competition, V005T17A049, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30712
https://doi.org/10.1115/ICONE22-30712
View Paper titled, Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt
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Topics: Databases, Design, Magnetohydrodynamics, Modeling, Reynolds-averaged Navier–Stokes equations, Turbulence, Channel flow, Computer simulation, Fluid dynamics, Fluids
Proceedings Papers

Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt

Naoki Osawa, Yoshinobu Yamamoto, Tomoaki Kunugi
Proc. ASME. ICONE22, Volume 6: Nuclear Education, Public Acceptance and Related Issues; Instrumentation and Controls (I&C); Fusion Engineering; Beyond Design Basis Events, V006T14A005, July 7–11, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICONE22-30653
https://doi.org/10.1115/ICONE22-30653
View Paper titled, Investigation of MHD RANS Modeling Base on DNS Database Under the Advanced Blanket Design Conditions Utilized Molten Salt
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Topics: Databases, Design, Magnetohydrodynamics, Modeling, Reynolds-averaged Navier–Stokes equations, Turbulence, Channel flow, Computer simulation, Fluid dynamics, Fluids
Proceedings Papers

Experimental Investigation on Liquid-Metal Flow Distribution in Insulating Manifold Under Uniform Magnetic Field

Yoshitaka Ueki, Masato Miura, Takehiko Yokomine, Tomoaki Kunugi
Proc. ASME. ICONE21, Volume 5: Fuel Cycle, Radioactive Waste Management and Decommissioning; Reactor Physics and Transport Theory; Nuclear Education, Public Acceptance and Related Issues; Instrumentation and Controls; Fusion Engineering, V005T14A017, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16593
https://doi.org/10.1115/ICONE21-16593
View Paper titled, Experimental Investigation on Liquid-Metal Flow Distribution in Insulating Manifold Under Uniform Magnetic Field
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Topics: Flow (Dynamics), Liquid metals, Magnetic fields, Manifolds, Magnetohydrodynamics, Coolants, Ducts, Electric current, Eutectic alloys, Fluid dynamics
Proceedings Papers

Gas-Liquid Bubbly Turbulent Upward Flow in Square Duct

HaoMin Sun, Tomoaki Kunugi, DaZhuan Wu, HongNa Zhang, Hideo Nakamura, XiuZhong Shen
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 473-479, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54918
https://doi.org/10.1115/ICONE20-POWER2012-54918
View Paper titled, Gas-Liquid Bubbly Turbulent Upward Flow in Square Duct
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Topics: Ducts, Flow (Dynamics), Turbulence, Bubbles, Water, Anisotropy, Bubbly flow, Corners (Structural elements), Porosity, Two-phase flow
Proceedings Papers

Numerical Study on Bubble Departing Behavior From Heated Surface in Subcooled Pool Boiling

Yasuo Ose, Zensaku Kawara, Tomoaki Kunugi
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2517-2523, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-10019
https://doi.org/10.1115/AJK2011-10019
View Paper titled, Numerical Study on Bubble Departing Behavior From Heated Surface in Subcooled Pool Boiling
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Topics: Bubbles, Pool boiling, Subcooling, Boiling, Computer simulation, Condensation, Equilibrium (Physics), Heat transfer, Phantoms, Relaxation (Physics)
Proceedings Papers

Investigation of Rod Vibrations in Droplet Two-Phase Flows

Yoshiteru Komuro, Zensaku Kawara, Tomoaki Kunugi
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2081-2089, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-08001
https://doi.org/10.1115/AJK2011-08001
View Paper titled, Investigation of Rod Vibrations in Droplet Two-Phase Flows
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Topics: Drops, Two-phase flow, Vibration, Computer simulation, Air flow, Computer software, Displacement, Flow-induced vibrations, Nuclear power stations, Safety
Proceedings Papers

Unstructured Adaptive Mesh Technique for Gas-Liquid Two-Phase Flows

Kei Ito, Tomoaki Kunugi, Hiroyuki Ohshima
Proc. ASME. ICONE18, 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B, 1213-1222, May 17–21, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ICONE18-30234
https://doi.org/10.1115/ICONE18-30234
View Paper titled, Unstructured Adaptive Mesh Technique for Gas-Liquid Two-Phase Flows
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Topics: Two-phase flow, Disks, Dams, Design, Momentum, Simulation results, Computational fluid dynamics, Computer simulation, Dynamics (Mechanics), Flow (Dynamics)
Proceedings Papers

Numerical Study on Subcooled Pool Boiling

Yasuo Ose, Tomoaki Kunugi
Proc. ASME. AJTEC2011, ASME/JSME 2011 8th Thermal Engineering Joint Conference, T10193, March 13–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJTEC2011-44401
https://doi.org/10.1115/AJTEC2011-44401
View Paper titled, Numerical Study on Subcooled Pool Boiling
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Topics: Pool boiling, Subcooling, Boiling, Condensation, Computer simulation, Bubbles, Enthalpy, Equilibrium (Physics), Heat conduction, Heat transfer
Proceedings Papers

Development and Verification of Unstructured Adaptive Mesh Technique With Edge Compatibility

Kei Ito, Tomoaki Kunugi, Hiroyuki Ohshima
Proc. ASME. ICONE17, Volume 5: Fuel Cycle and High and Low Level Waste Management and Decommissioning; Computational Fluid Dynamics (CFD), Neutronics Methods and Coupled Codes; Instrumentation and Control, 445-453, July 12–16, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICONE17-75536
https://doi.org/10.1115/ICONE17-75536
View Paper titled, Development and Verification of Unstructured Adaptive Mesh Technique With Edge Compatibility
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Topics: Algorithms, Cavities, Computational fluid dynamics, Design, Errors, Flow (Dynamics), Fluids, Modeling, Reactor vessels, Shapes
Proceedings Papers

Numerical Simulation on Heat Transfer of Falling Film Flow Along a Vertical Wall

Chiaki Kino, Tomoaki Kunugi, Zensaku Kawara
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 1, 461-467, July 8–12, 2007
Publisher: American Society of Mechanical Engineers
Paper No: HT2007-32002
https://doi.org/10.1115/HT2007-32002
View Paper titled, Numerical Simulation on Heat Transfer of Falling Film Flow Along a Vertical Wall
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Topics: Computer simulation, Film flow, Heat transfer, Waves, Design, Prandtl number, Vortices
Proceedings Papers

The Design Features of Integrated Modular Water Reactor (IMR)

Takashi Kanagawa, Masashi Goto, Shuji Usui, Tadahiko Suzuta, Akimi Serizawa, Tomoaki Kunugi, Tetsuo Matsumura, Toyoaki Yamauchi, Gen Itoh
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 553-559, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49528
https://doi.org/10.1115/ICONE12-49528
View Paper titled, The Design Features of Integrated Modular Water Reactor (IMR)
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Topics: Design, Water, Control systems, Nuclear reactor coolants, Pumps, Alternating current (Electricity), Boilers, Boron, Containment, Coolants
Journal Articles

Measurements of Three-Dimensional Flow in Microchannel With Complex Shape by Micro-Digital-Holographic Particle-Tracking Velocimetry

Shin-ichi Satake, Takafumi Anraku, Hiroyuki Kanamori, Tomoaki Kunugi, Kazuho Sato, Tomoyoshi Ito
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2008, 130(4): 042413.
https://doi.org/10.1115/1.2818783
Published Online: March 21, 2008
View Article titled, Measurements of Three-Dimensional Flow in Microchannel With Complex Shape by Micro-Digital-Holographic Particle-Tracking Velocimetry
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Topics: Flow (Dynamics), Microchannels, Particulate matter, Junctions, Holography, Shapes