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Kazuyoshi Miyagawa
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Proceedings Papers

3D-CFD Analysis of Axial Thrust in an Unshrouded Impeller With a Balance Piston for Liquid Hydrogen Turbopumps

Kento Sakai, Yamato Kobayashi, Shota Yoshida, Satoshi Kawasaki, Kazuyoshi Miyagawa
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T01A001, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-121753
https://doi.org/10.1115/FEDSM2024-121753
View Paper titled, 3D-CFD Analysis of Axial Thrust in an Unshrouded Impeller With a Balance Piston for Liquid Hydrogen Turbopumps
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Topics: Computational fluid dynamics, Hydrogen, Impellers, Pistons, Pumps, Thrust
Proceedings Papers

Investigation on Design Parameters of a Francis Turbine Runner for Optimization Based on 3-D Inverse Design Method

Shunsuke Nagata, Yoichiro Tamada, Tatsuya Irie, Kazuyoshi Miyagawa
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T01A017, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130904
https://doi.org/10.1115/FEDSM2024-130904
View Paper titled, Investigation on Design Parameters of a Francis Turbine Runner for Optimization Based on 3-D Inverse Design Method
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Topics: Computational fluid dynamics, Design, Design methodology, Francis turbines, Optimization
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

18th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC18)

Kazuyoshi Miyagawa, Arthur Favrel, Yuka Iga, Masaharu Uchiumi
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Editorial
J. Fluids Eng. December 2021, 143(12): 120301.
Paper No: FE-21-1440
https://doi.org/10.1115/1.4052283
Published Online: September 15, 2021
View Articletitled, 18th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC18)
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Topics: Dynamics (Mechanics), Machinery, Transport phenomena
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
Journal Articles

Generation of Twin Vortex Rope in the Draft-Tube Elbow of a Francis Turbine During Deep Part-Load Operation

Mohammad Hossein Khozaei, Arthur Favrel, Toshitake Masuko, Naoki Yamaguchi, Kazuyoshi Miyagawa
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2021, 143(10): 101206.
Paper No: FE-21-1022
https://doi.org/10.1115/1.4051150
Published Online: June 7, 2021
View Articletitled, Generation of Twin Vortex Rope in the Draft-Tube Elbow of a Francis Turbine During Deep Part-Load Operation
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Topics: Computational fluid dynamics, Fluctuations (Physics), Pressure, Stress, Vortices, Simulation, Francis turbines, Flow (Dynamics), Ropes
Proceedings Papers

Dynamic Characteristics of Unshrouded Impellers Equipped With Balance Piston Systems for Rocket Turbo Pumps

Tomoyuki Hayashi, Mamiko Yoshimura, Keisuke Matsumoto, Kazuyoshi Miyagawa, Satoshi Kawasaki, Junya Takida, Hiromichi Hiraki, Naohito Suwa
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A043, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5600
https://doi.org/10.1115/AJKFluids2019-5600
View Paper titled, Dynamic Characteristics of Unshrouded Impellers Equipped With Balance Piston Systems for Rocket Turbo Pumps
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Topics: Impellers, Pistons, Pumps, Rockets, Turbochargers
Proceedings Papers

Unsteady Flow in the Vaned Diffuser of a Low Specific Speed Centrifugal Pump With an Unshrouded Impeller

Asuma Ichinose, Tomoki Takeda, Kazuyoshi Miyagawa, Yohei Ogawa, Hideyo Negishi, Kazuki Niiyama
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A042, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5599
https://doi.org/10.1115/AJKFluids2019-5599
View Paper titled, Unsteady Flow in the Vaned Diffuser of a Low Specific Speed Centrifugal Pump With an Unshrouded Impeller
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Topics: Centrifugal pumps, Diffusers, Impellers, Leakage flows, Unsteady flow, Wakes
eBook Chapter

Stochastic Processes to Model Impact Events in a Vibratory Cavitation Erosion Apparatus

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
https://doi.org/10.1115/1.861851_ch182
ISBN: 9780791861851
Open the PDF for Stochastic Processes to Model Impact Events in a Vibratory Cavitation Erosion Apparatus in another window
Topics: Cavitation erosion, Stochastic processes
Proceedings Papers

Investigation of Interaction Between Tip Leakage Flow Generated by Unshrouded Impeller and Diffuser Internal Flow

Asuma Ichinose, Norio Kimura, Mamiko Yoshimura, Tomoyuki Hayashi, Kazuyoshi Miyagawa
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A029, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83502
https://doi.org/10.1115/FEDSM2018-83502
View Paper titled, Investigation of Interaction Between Tip Leakage Flow Generated by Unshrouded Impeller and Diffuser Internal Flow
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Topics: Diffusers, Impellers, Internal flow, Leakage flows, Computational fluid dynamics, Simulation, Pumps, Blades, Pressure, Boundary-value problems
Proceedings Papers

Clogging Mechanisms of Vortex Pumps: Fibrous Material Motion Capture and Simulation With a CFD and DEM Coupling Method

Yamato Imasaka, Hitoshi Kanno, Sumio Saito, Kazuyoshi Miyagawa, Motohiko Nohmi, Miho Isono, Masahito Kawai
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A030, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83503
https://doi.org/10.1115/FEDSM2018-83503
View Paper titled, Clogging Mechanisms of Vortex Pumps: Fibrous Material Motion Capture and Simulation With a CFD and DEM Coupling Method
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Topics: Computational fluid dynamics, Discrete element methods, Pumps, Simulation, Vortices, Particulate matter, String, Rods, Computation, Sewage
Proceedings Papers

Influence of Pulsating Flow on Turbine Performance Investigated by DES and PIV

Yohei Nakamura, Manato Chinen, Masamichi Sakakibara, Kazuyoshi Miyagawa
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A031, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83504
https://doi.org/10.1115/FEDSM2018-83504
View Paper titled, Influence of Pulsating Flow on Turbine Performance Investigated by DES and PIV
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Topics: Pulsatile flow, Turbines, Flow (Dynamics), Vortices, Computational fluid dynamics, Pressure, Turbochargers, Diffusers, Disks, Engines
Proceedings Papers

Experimental Investigation on Diffuser Rotating Stall in a Three-Stage Centrifugal Pump

Taiki Takamine, Satoshi Watanabe, Daichi Furukawa, Hiroyoshi Watanabe, Kazuyoshi Miyagawa
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT05A021, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69386
https://doi.org/10.1115/FEDSM2017-69386
View Paper titled, Experimental Investigation on Diffuser Rotating Stall in a Three-Stage Centrifugal Pump
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Topics: Centrifugal pumps, Diffusers, Flow (Dynamics), Leakage, Rotors, Errors, Impellers, Leakage flows, Reliability, Suction
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

Development of Shroudless Francis Turbine

Yohei Nakamura, Ryosuke Shima, Hiroki Komatsu, Saki Shiratori, Kazuyoshi Miyagawa
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT02A006, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-02352
https://doi.org/10.1115/AJKFluids2015-02352
View Paper titled, Development of Shroudless Francis Turbine
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Topics: Francis turbines, Flow (Dynamics), Computational fluid dynamics, Design, Guide vanes, Leakage flows, Pressure, Reliability, Shapes, Blades
Proceedings Papers

Measurements of Axial and Radial Thrust Forces Working on a Three-Stages Centrifugal Pump Rotor

Tetsuya Yamashita, Satoshi Watanabe, Yoshinori Hara, Hiroyoshi Watanabe, Kazuyoshi Miyagawa
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A013, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33515
https://doi.org/10.1115/AJKFluids2015-33515
View Paper titled, Measurements of Axial and Radial Thrust Forces Working on a Three-Stages Centrifugal Pump Rotor
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Topics: Centrifugal pumps, Rotors, Thrust, Flow (Dynamics), Ball bearings, Journal bearings, Stress
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

Dynamic Characteristics of the Radial Clearance Flow Between Axially Oscillating Rotational Disk and Stationary Disk

Hironori Horiguchi, Yoshinori Ueno, Koutaro Takahashi, Kazuyoshi Miyagawa, Yoshinobu Tsujimoto
Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 243-251, August 2–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2009-78219
https://doi.org/10.1115/FEDSM2009-78219
View Paper titled, Dynamic Characteristics of the Radial Clearance Flow Between Axially Oscillating Rotational Disk and Stationary Disk
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Topics: Clearances (Engineering), Disks, Flow (Dynamics), Oscillations, Pressure, Damping, Stiffness, Computation, Fluctuations (Physics), Fluids
Proceedings Papers

Experimental Study on Unstable Characteristics of Mixed-Flow Pump at Low Flow-Rates

Hiroshi Funakoshi, Hiroshi Tsukamoto, Koji Miyazaki, Kazuyoshi Miyagawa
Proc. ASME. FEDSM2003, Volume 2: Symposia, Parts A, B, and C, 609-614, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45103
https://doi.org/10.1115/FEDSM2003-45103
View Paper titled, Experimental Study on Unstable Characteristics of Mixed-Flow Pump at Low Flow-Rates
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Topics: Flow (Dynamics), Pumps, Impellers, Unsteady flow, Diffusers, Dynamic response, Flowmeters, Pressure transducers, Rotation, Semiconductors (Materials)