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Kiyotaka Hiradate
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Proceedings Papers

Effect of Curvilinear Element Blade for Open-Type Centrifugal Impeller on Stator Performance

Kazuhiro Tsukamoto, Kiyohide Sakamoto, Kiyotaka Hiradate, Yasushi Shinkawa
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A016, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91153
https://doi.org/10.1115/GT2019-91153
View Paper titled, Effect of Curvilinear Element Blade for Open-Type Centrifugal Impeller on Stator Performance
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Topics: Blades, Impellers, Stators, Diffusers, Compressors, Flow (Dynamics), Computer simulation, Industrial plants, Leakage flows
Proceedings Papers

Effect of Impeller Outlet Flow Affected by Casing Treatment on Rotating Stall in Vane-Less Diffuser in Centrifugal Turbomachinery

Kazuhiro Tsukamoto, Shohei Suto, Kiyotaka Hiradate, Yasushi Shinkawa
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A022, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76461
https://doi.org/10.1115/GT2018-76461
View Paper titled, Effect of Impeller Outlet Flow Affected by Casing Treatment on Rotating Stall in Vane-Less Diffuser in Centrifugal Turbomachinery
Open the PDF for Effect of Impeller Outlet Flow Affected by Casing Treatment on Rotating Stall in Vane-Less Diffuser in Centrifugal Turbomachinery in another window
Topics: Diffusers, Flow (Dynamics), Impellers, Turbomachinery, Pressure, Compressors, Vibration, Bearings, Blades, Fluctuations (Physics)
Proceedings Papers

Investigation on Effect of Curvilinear Element Blades on Centrifugal Impeller Performance

Kiyotaka Hiradate, Hiromi Kobayashi, Takahiro Nishioka
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A005, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63213
https://doi.org/10.1115/GT2017-63213
View Paper titled, Investigation on Effect of Curvilinear Element Blades on Centrifugal Impeller Performance
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Topics: Blades, Impellers, Compressors, Design, Flow (Dynamics), Compressor impellers, Pressure, Testing performance, Vaneless diffusers, Suction
Proceedings Papers

Experimental and Numerical Verification of Effect of Using Curvilinear Element Blades for Low-Solidity Cascade Diffuser in Centrifugal Compressor

Kazuhiro Tsukamoto, Kiyotaka Hiradate, Kiyohide Sakamoto, Yasushi Shinkawa
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A024, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64210
https://doi.org/10.1115/GT2017-64210
View Paper titled, Experimental and Numerical Verification of Effect of Using Curvilinear Element Blades for Low-Solidity Cascade Diffuser in Centrifugal Compressor
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Diffusers, Suction, Geometry, Design, Flow (Dynamics), Impellers, Boundary layers
Journal Articles

Investigation on Pressure Fluctuation Related to Mild Surge in Multistage Centrifugal Blower With Inlet Guide Vane

Kiyotaka Hiradate, Satoshi Joukou, Kiyohide Sakamoto, Yasushi Shinkawa, Takeshi Uchiyama
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2016, 138(11): 111003.
Paper No: TURBO-16-1026
https://doi.org/10.1115/1.4033262
Published Online: May 10, 2016
View Article titled, Investigation on Pressure Fluctuation Related to Mild Surge in Multistage Centrifugal Blower With Inlet Guide Vane
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Topics: Pressure, Surges, System dynamics, Flow (Dynamics)
Proceedings Papers

Efficiency Increase in Centrifugal Compressor With Open Impeller by Using Curvilinear Element Blade

Kazuhiro Tsukamoto, Kiyotaka Hiradate, Kiyohide Sakamoto, Haruaki Chiba, Yasushi Shinkawa
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A027, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43193
https://doi.org/10.1115/GT2015-43193
View Paper titled, Efficiency Increase in Centrifugal Compressor With Open Impeller by Using Curvilinear Element Blade
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Topics: Blades, Compressors, Impellers, Flow (Dynamics), Design, Diffusers, Pressure, Flow separation, Leakage, Computer simulation
Proceedings Papers

Investigation on Pressure Fluctuation Related to Mild Surge in Multi-Stage Centrifugal Blower With Inlet Guide Vane

Kiyotaka Hiradate, Kiyohide Sakamoto, Yasushi Shinkawa, Satoshi Joukou, Takeshi Uchiyama
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A017, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43034
https://doi.org/10.1115/GT2015-43034
View Paper titled, Investigation on Pressure Fluctuation Related to Mild Surge in Multi-Stage Centrifugal Blower With Inlet Guide Vane
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Topics: Inlet guide vanes, Pressure, Surges, Simulation, Fluctuations (Physics), System dynamics, Compression, Machinery, Actuators, Diffusers
Journal Articles

Proposal and Experimental Verification of Design Guidelines for Centrifugal Compressor Impellers With Curvilinear Element Blades to Improve Compressor Performance

Kiyotaka Hiradate, Hiromi Kobayashi, Kazuyuki Sugimura, Toshio Ito, Hideo Nishida
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2015, 137(5): 051008.
Paper No: TURBO-14-1218
https://doi.org/10.1115/1.4028650
Published Online: May 1, 2015
View Article titled, Proposal and Experimental Verification of Design Guidelines for Centrifugal Compressor Impellers With Curvilinear Element Blades to Improve Compressor Performance
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Topics: Blades, Design, Impellers, Compressors, Flow (Dynamics)
Proceedings Papers

Proposal and Experimental Verification of Design Guidelines for Centrifugal Compressor Impellers With Curvilinear Element Blades to Improve Compressor Performance

Kiyotaka Hiradate, Kazuyuki Sugimura, Hiromi Kobayashi, Toshio Ito, Hideo Nishida
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT42A032, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26642
https://doi.org/10.1115/GT2014-26642
View Paper titled, Proposal and Experimental Verification of Design Guidelines for Centrifugal Compressor Impellers With Curvilinear Element Blades to Improve Compressor Performance
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Topics: Blades, Compressor impellers, Compressors, Design, Impellers, Computer simulation, Flow (Dynamics), Suction, Rotation, Turbomachinery
Proceedings Papers

Experimental Investigation on Unstable Flow in Multi-Stage Centrifugal Blower With Inlet Guide Vane

Kiyotaka Hiradate, Kiyohide Sakamoto, Toshio Kanno, Yasushi Shinkawa, Satoshi Joukou, Katsunari Suzuki
Proc. ASME. FEDSM2013, Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics, V01BT10A023, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16347
https://doi.org/10.1115/FEDSM2013-16347
View Paper titled, Experimental Investigation on Unstable Flow in Multi-Stage Centrifugal Blower With Inlet Guide Vane
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Topics: Flow (Dynamics), Inlet guide vanes, Surges, Diffusers, Impellers, Sensors, Nozzles, Pressure transducers, Rotation, Compression
Proceedings Papers

Influence of Low-Solidity Cascade Diffuser on Spike Stall Inception in a Centrifugal Compressor

Satoshi Joukou, Yasushi Shinkawa, Toshio Kanno, Hideo Nishida, Takahiro Nishioka, Kiyotaka Hiradate
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 793-802, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69203
https://doi.org/10.1115/GT2012-69203
View Paper titled, Influence of Low-Solidity Cascade Diffuser on Spike Stall Inception in a Centrifugal Compressor
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Topics: Cascades (Fluid dynamics), Compressors, Diffusers, Stall inception, Flow (Dynamics), Pressure, Surges, Flow separation, Wings, Impellers
Proceedings Papers

Improvement in Efficiency and Stall Margin of Centrifugal Blower Impeller by Multi-Objective Optimization

Kiyotaka Hiradate, Takahiro Nishioka, Toshio Kanno, Kazuyuki Sugimura, Yasushi Shinkawa, Satoshi Joukou
Proc. ASME. GT2011, Volume 4: Cycle Innovations; Fans and Blowers; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Oil and Gas Applications, 367-375, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45351
https://doi.org/10.1115/GT2011-45351
View Paper titled, Improvement in Efficiency and Stall Margin of Centrifugal Blower Impeller by Multi-Objective Optimization
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Topics: Impellers, Pareto optimization, Flow (Dynamics), Blades, Design, Flow separation, Optimization, Suction, Genetic algorithms, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Rotor-Tip Flow Fields Near Inception Point of Rotating Instability in an Axial-Flow Fan

Takahiro Nishioka, Toshio Kanno, Kiyotaka Hiradate
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1493-1502, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45338
https://doi.org/10.1115/GT2011-45338
View Paper titled, Rotor-Tip Flow Fields Near Inception Point of Rotating Instability in an Axial-Flow Fan
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Topics: Axial flow, Flow (Dynamics), Rotors, Blades, Leakage, Vortices, Stall inception, Leakage flows, Separation (Technology)