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Journal Articles

Reduction of Disk Friction Loss by Applying a Fin to the Back of a Centrifugal Impeller

Satoshi Maeda, Takeshi Sano, Kazuyoshi Miyagawa, Kento Sakai
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2024, 146(7): 071107.
Paper No: FE-23-1460
https://doi.org/10.1115/1.4065047
Published Online: April 2, 2024
View Articletitled, Reduction of Disk Friction Loss by Applying a Fin to the Back of a Centrifugal Impeller
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Topics: Clearances (Engineering), Computational fluid dynamics, Disks, Flow (Dynamics), Friction, Impellers, Reynolds number, Particle image velocimetry
Journal Articles

Investigation of Flow Structure in a Narrow Clearance of a Low Specific Speed Centrifugal Impeller

Yumeno Inaba, Kento Sakai, Kazuyoshi Miyagawa, Masamichi Iino, Takeshi Sano
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2021, 143(12): 121109.
Paper No: FE-21-1166
https://doi.org/10.1115/1.4052240
Published Online: September 15, 2021
View Articletitled, Investigation of Flow Structure in a Narrow Clearance of a Low Specific Speed Centrifugal Impeller
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Topics: Clearances (Engineering), Disks, Flow (Dynamics), Friction, Impellers, Pressure, Computational fluid dynamics
Journal Articles

Sloshing of Fluid Between Rotating Inner Vertical Shaft and Stationary Outer Casing

Koichi Yonezawa, Kosuke Nishimura, Takeshi Sano, Kazuyoshi Miyagawa, Yoshinobu Tsujimoto
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2021, 143(12): 121108.
Paper No: FE-21-1172
https://doi.org/10.1115/1.4052127
Published Online: September 13, 2021
View Articletitled, Sloshing of Fluid Between Rotating Inner Vertical Shaft and Stationary Outer Casing
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Topics: Fluids, Oscillations, Sloshing, Water
eBook Chapter

Effect of Gas Content on Tip Vortex Cavitation

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
https://doi.org/10.1115/1.861851_ch62
ISBN: 9780791861851
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Topics: Cavitation, Wake turbulence
Proceedings Papers

Flow Instability in Off Design Condition of Vaned and Vaneless Diffuser Centrifugal Pump

Hideto Hiramatsu, Akiha Shibata, Shutaro Komaki, Kazuyoshi Miyagawa, Takeshi Sano
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A005, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33353
https://doi.org/10.1115/AJKFluids2015-33353
View Paper titled, Flow Instability in Off Design Condition of Vaned and Vaneless Diffuser Centrifugal Pump
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Topics: Centrifugal pumps, Design, Flow instability, Vaneless diffusers, Diffusers, Impellers, Vortices, Computation, Flow (Dynamics), Internal flow
Proceedings Papers

CFD of Vortical Flows: Requirements and Mesh Adaption Techniques

Martino Reclari, Shinji Fukao, Masamichi Iino, Takeshi Sano, Yuuki Nakamura
Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T09A005, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-9166
https://doi.org/10.1115/AJKFluids2015-9166
View Paper titled, CFD of Vortical Flows: Requirements and Mesh Adaption Techniques
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Topics: Air entrainment, Cavitation, Collapse, Computation, Computational fluid dynamics, Computer simulation, Containers, Energy dissipation, Erosion, Inflow
Proceedings Papers

Development of Thrust Bearings With High Specific Load

Yuki Sumi, Takeshi Sano, Tanehiro Shinohara, Naoto Tochitani, Yukihiro Otani, Kazuhiko Yamashita, Takashi Nakano
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A044, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26798
https://doi.org/10.1115/GT2014-26798
View Paper titled, Development of Thrust Bearings With High Specific Load
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Topics: Stress, Thrust bearings, Resins, Thrust, Bearings, Combined cycle power stations, Ethers (Class of compounds), Leakage flows, Rotors, Steam turbines
Proceedings Papers

A New Methodology for Suppressing Pressure Pulsation in a Draft Tube by Grooved Runner Cone

Takeshi Sano, Masayuki Ookawa, Hiromi Watanabe, Nobuaki Okamoto, Hiroshi Yano, Nobuhide Fukuda, Masatake Maekawa, Kazuyoshi Miyagawa
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 1943-1950, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-07027
https://doi.org/10.1115/AJK2011-07027
View Paper titled, A New Methodology for Suppressing Pressure Pulsation in a Draft Tube by Grooved Runner Cone
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Topics: Pressure, Design, Hydraulic turbines, Pump turbines, Shapes, Engineering prototypes, Fins, Stress, Underground injection
Proceedings Papers

Shaking Table Tests With Large Test Specimens of Seismically Isolated FBR Plants: Part 3—Ultimate Behavior of Upper Structure and Rubber Bearings

Shuichi Yabana, Kenji Kanazawa, Seiji Nagata, Seiji Kitamura, Takeshi Sano
Proc. ASME. PVP2009, Volume 8: Seismic Engineering, 179-187, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77229
https://doi.org/10.1115/PVP2009-77229
View Paper titled, Shaking Table Tests With Large Test Specimens of Seismically Isolated FBR Plants: Part 3—Ultimate Behavior of Upper Structure and Rubber Bearings
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Topics: Bearings, Rubber, Failure, Design, Earthquakes, Breeder reactors, Defense industry, Emergency management, Engineering prototypes, Nuclear power stations
Journal Articles

Numerical Study of Rotating Stall in a Pump Vaned Diffuser

Takeshi Sano, Yoshiki Yoshida, Yoshinobu Tsujimoto, Yuki Nakamura, Tatsuhito Matsushima
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. June 2002, 124(2): 363–370.
https://doi.org/10.1115/1.1459076
Published Online: May 28, 2002
View Articletitled, Numerical Study of Rotating Stall in a Pump Vaned Diffuser
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Topics: Diffusers, Flow (Dynamics), Impellers, Pressure, Pumps