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Proceedings Papers

Fluctuation of Inducer Recirculation Stemming From Diffuser Stall in Centrifugal Turbomachinery Near Surge Condition

Kazuhiro Tsukamoto, Chisachi Kato

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A034, September 21–25, 2020

Paper No: GT2020-15761

DOI: https://doi.org/10.1115/GT2020-15761

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Topics: Diffusers, Surges, Turbomachinery, Flow (Dynamics), Impellers, Pressure, Pipes, Rotation, Suction, Computer simulation

Journal Articles

Suction Vortices in a Pump Sump—Their Origin, Formation, and Dynamics

Yoshinobu Yamade, Chisachi Kato, Takahide Nagahara, Jun Matsui

J. Fluids Eng. March 2020, 142(3): 031110.

Paper No: FE-19-1687

DOI: https://doi.org/10.1115/1.4045953

Published Online: February 3, 2020

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Topics: Pumps, Vortices, Suction

Proceedings Papers

Consideration of CFD Analysis Accuracy of Box Fan

Shigeyuki Tomimatsu, Chisachi Kato

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A031, July 28–August 1, 2019

Paper No: AJKFluids2019-4795

DOI: https://doi.org/10.1115/AJKFluids2019-4795

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Topics: Computational fluid dynamics

Proceedings Papers

Flow Field and Performance Analysis of a Centrifugal Pump During Unstable Operating Conditions

Romain Prunières, Chisachi Kato

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A015, July 28–August 1, 2019

Paper No: AJKFluids2019-4886

DOI: https://doi.org/10.1115/AJKFluids2019-4886

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Topics: Centrifugal pumps, Flow (Dynamics), Fluids, Large eddy simulation, Pumps, Impellers, Diffusers, Computational fluid dynamics, Pressure, Flow instability

Proceedings Papers

Large Eddy Simulation of a Submerged Vortex in a Simplified Computational Model

Yoshinobu Yamade, Chisachi Kato, Takahide Nagahara, Jun Matsui

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A030, July 28–August 1, 2019

Paper No: AJKFluids2019-5205

DOI: https://doi.org/10.1115/AJKFluids2019-5205

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Topics: Large eddy simulation, Pumps, Vortices

Proceedings Papers

Prediction of Aerodynamic Noise for Centrifugal Fan of Air-Conditioner by Tetra-Prism Grids

Taku Iwase, Daiwa Sato, Hideshi Obara, Yoshinobu Yamade, Chisachi Kato

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A055, July 28–August 1, 2019

Paper No: AJKFluids2019-4638

DOI: https://doi.org/10.1115/AJKFluids2019-4638

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Topics: Aerodynamic noise, Air conditioners, Large eddy simulation, Prisms (Optics)

Journal Articles

Numerical Investigations of Unsteady Flows and Particle Behavior in a Cyclone Separator

Osamu Akiyama, Chisachi Kato

J. Fluids Eng. September 2017, 139(9): 091302.

Paper No: FE-16-1368

DOI: https://doi.org/10.1115/1.4036589

Published Online: June 28, 2017

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Topics: Flow (Dynamics), Particulate matter, Vortices

Journal Articles

Large Eddy Simulation of the Rotating Stall in a Pump-Turbine Operated in Pumping Mode at a Part-Load Condition

Olivier Pacot, Chisachi Kato, Yang Guo, Yoshinobu Yamade, François Avellan

J. Fluids Eng. November 2016, 138(11): 111102.

Paper No: FE-15-1803

DOI: https://doi.org/10.1115/1.4033423

Published Online: July 15, 2016

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Topics: Computation, Diffusers, Flow (Dynamics), Fluctuations (Physics), Guide vanes, Impellers, Large eddy simulation, Pressure, Pump turbines, Reynolds number

Proceedings Papers

Clarification of Performance Curve Instability Mechanism Using Large Eddy Simulation of Internal Flow of a Mixed-Flow Pump

Isao Hagiya, Chisachi Kato, Yoshinobu Yamade, Takahide Nagahara, Masashi Fukaya

Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A008, July 26–31, 2015

Paper No: AJKFluids2015-33438

DOI: https://doi.org/10.1115/AJKFluids2015-33438

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Topics: Flow (Dynamics), Internal flow, Large eddy simulation, Pumps, Blades, Impellers, Rotation, Rotors, Angular momentum, Computer software

Proceedings Papers

Numerical Prediction of Noise From the Internal Flow in a Centrifugal Blower

Yang Guo, Chisachi Kato, Yoshinobu Yamade, Yutaka Ohta, Taku Iwase, Ryo Takayama

Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT09A005, July 26–31, 2015

Paper No: AJKFluids2015-09194

DOI: https://doi.org/10.1115/AJKFluids2015-09194

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Topics: Internal flow, Noise (Sound), Computational fluid dynamics, Acoustics, Blades, Fluids, Impellers, Large eddy simulation, Resolution (Optics), Sound pressure

Proceedings Papers

Prediction of Pressure Fluctuation on a Vehicle by Large Eddy Simulation

Yoshinobu Yamade, Chisachi Kato, Akiyoshi Iida, Shinobu Yoshimura, Keiichiro Iida

Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT17A001, July 26–31, 2015

Paper No: AJKFluids2015-17519

DOI: https://doi.org/10.1115/AJKFluids2015-17519

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Topics: Large eddy simulation, Pressure, Vehicles, Fluctuations (Physics), Structural analysis, Acoustics, Aerodynamic noise, Computational fluid dynamics, Engineering simulation, Noise (Sound)

Proceedings Papers

Large Eddy Simulation of Unsteady Vortices in a Pump Sump

Yoshinobu Yamade, Chisachi Kato, Takahide Nagahara, Jun Matsui

Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A016, July 26–31, 2015

Paper No: AJKFluids2015-33753

DOI: https://doi.org/10.1115/AJKFluids2015-33753

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Topics: Large eddy simulation, Pumps, Vortices, Boundary layer turbulence, Pipes, Resolution (Optics)

Proceedings Papers

Prediction of the Pressure Pulsation in a Draft Tube for a Part Load Condition Using the LES Approach

Olivier Pacot, Chisachi Kato, Yang Guo, Yoshinobu Yamade

Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT09A009, July 26–31, 2015

Paper No: AJKFluids2015-09281

DOI: https://doi.org/10.1115/AJKFluids2015-09281

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Topics: Pressure, Stress, Ropes, Vortices, Computation, Cavitation, Drag (Fluid dynamics), Finite element analysis, Flow (Dynamics), Francis turbines

Proceedings Papers

Calculation of Aerodynamic Noise for Centrifugal Fan of Air-Conditioner

Taku Iwase, Hideshi Obara, Hiroyasu Yoneyama, Yoshinobu Yamade, Chisachi Kato

Proc. ASME. FEDSM2013, Volume 1A, Symposia: Advances in Fluids Engineering Education; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT02A002, July 7–11, 2013

Paper No: FEDSM2013-16071

DOI: https://doi.org/10.1115/FEDSM2013-16071

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Topics: Aerodynamic noise, Air conditioners, Blades, Fluctuations (Physics), Pressure, Accuracy and precision, Sound pressure, Computer simulation, Finite element analysis, Flow (Dynamics)

Proceedings Papers

Numerical Analysis of Wing-Tip Flows and Aerodynamic Sound Generated From the Flows

Kazuaki Yamasari, Yasumasa Suzuki, Chisachi Kato, Masaaki Ohnishi, Kentaro Yatuduka, Taneyuki Taira, Hajime Fujita

Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2263-2273, July 24–29, 2011

Paper No: AJK2011-08039

DOI: https://doi.org/10.1115/AJK2011-08039

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Topics: Aerodynamic noise, Flow (Dynamics), Numerical analysis, Wings, Airfoils, Tensors, Pressure, Chords (Trusses), Density, Electromagnetic spectrum

Proceedings Papers

Industry-University Collaborative Project on Numerical Predictions of Cavitating Flows in Hydraulic Machinery: Part 1—Benchmark Test on Cavitating Hydrofoils

Chisachi Kato

Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 445-453, July 24–29, 2011

Paper No: AJK2011-06084

DOI: https://doi.org/10.1115/AJK2011-06084

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Topics: Flow (Dynamics), Hydraulic equipment, Hydrofoil, Cavitation, Fluids, Cavities, Chords (Trusses), Computational fluid dynamics, Density, Fluid density

Proceedings Papers

Large Eddy Simulation of Internal Flow of a Mixed-Flow Pump

Yoshinobu Yamade, Chisachi Kato, Hayato Shimizu, Takahide Nagahara

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 407-416, August 2–6, 2009

Paper No: FEDSM2009-78416

DOI: https://doi.org/10.1115/FEDSM2009-78416

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Topics: Flow (Dynamics), Internal flow, Large eddy simulation, Pumps

Proceedings Papers

An Improvement of a Cavitation Model and the Application to LES

Shin-Ichi Tsuda, Naoki Tani, Nobuhiro Yamanishi, Chisachi Kato

Proc. ASME. FEDSM2008, Volume 2: Fora, 69-74, August 10–14, 2008

Paper No: FEDSM2008-55217

DOI: https://doi.org/10.1115/FEDSM2008-55217

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Topics: Cavitation, Bubbles, Flow (Dynamics), Large eddy simulation, Tradeoffs, Turbulence

Proceedings Papers

Aerodynamic Noise Simulation of Propeller Fan by Large Eddy Simulation

Shingo Hamada, Seiji Nakashima, Chisachi Kato, Yoshinobu Yamade

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 183-190, July 30–August 2, 2007

Paper No: FEDSM2007-37145

DOI: https://doi.org/10.1115/FEDSM2007-37145

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Topics: Aerodynamic noise, Large eddy simulation, Propellers, Simulation, Wake turbulence

Proceedings Papers

Numerical Simulation of a Polygon Motor

Osamu Akiyama, Chisachi Kato, Takuya Yoshimura, Masashi Miyazawa

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 229-236, July 30–August 2, 2007

Paper No: FEDSM2007-37346

DOI: https://doi.org/10.1115/FEDSM2007-37346

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Topics: Computer simulation, Engines, Motors, Mirrors, Noise (Sound), Pressure, Unsteady flow, Acoustics, Computation, Elastic waves

Journal citation

NARROW

Fluctuation of Inducer Recirculation Stemming From Diffuser Stall in Centrifugal Turbomachinery Near Surge Condition

Suction Vortices in a Pump Sump—Their Origin, Formation, and Dynamics

Consideration of CFD Analysis Accuracy of Box Fan

Flow Field and Performance Analysis of a Centrifugal Pump During Unstable Operating Conditions

Large Eddy Simulation of a Submerged Vortex in a Simplified Computational Model

Prediction of Aerodynamic Noise for Centrifugal Fan of Air-Conditioner by Tetra-Prism Grids

Numerical Investigations of Unsteady Flows and Particle Behavior in a Cyclone Separator

Large Eddy Simulation of the Rotating Stall in a Pump-Turbine Operated in Pumping Mode at a Part-Load Condition

Clarification of Performance Curve Instability Mechanism Using Large Eddy Simulation of Internal Flow of a Mixed-Flow Pump

Numerical Prediction of Noise From the Internal Flow in a Centrifugal Blower

Prediction of Pressure Fluctuation on a Vehicle by Large Eddy Simulation

Large Eddy Simulation of Unsteady Vortices in a Pump Sump

Prediction of the Pressure Pulsation in a Draft Tube for a Part Load Condition Using the LES Approach

Calculation of Aerodynamic Noise for Centrifugal Fan of Air-Conditioner

Numerical Analysis of Wing-Tip Flows and Aerodynamic Sound Generated From the Flows

Industry-University Collaborative Project on Numerical Predictions of Cavitating Flows in Hydraulic Machinery: Part 1—Benchmark Test on Cavitating Hydrofoils

Large Eddy Simulation of Internal Flow of a Mixed-Flow Pump

An Improvement of a Cavitation Model and the Application to LES

Aerodynamic Noise Simulation of Propeller Fan by Large Eddy Simulation

Numerical Simulation of a Polygon Motor

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