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Hiromi Kobayashi
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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

Effects of Return Channel With Splitter Vanes on Performance of Multistage Centrifugal Compressor

Manabu Yagi, Takahiro Nishioka, Hiromi Kobayashi, Hideo Nishida, Satoru Yamamoto
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A012, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42442
https://doi.org/10.1115/GT2015-42442
View Paper titled, Effects of Return Channel With Splitter Vanes on Performance of Multistage Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Design, Impellers, Mach number, Suction, Testing performance
Proceedings Papers

Experimental and Numerical Study of Return Channel Flow Influence on Surge Margin of a Multi-Stage Centrifugal Compressor

Yoshifumi Nishida, Hideo Nishida, Hiromi Kobayashi, Takahiro Nishioka
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A017, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42546
https://doi.org/10.1115/GT2015-42546
View Paper titled, Experimental and Numerical Study of Return Channel Flow Influence on Surge Margin of a Multi-Stage Centrifugal Compressor
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Topics: Channel flow, Compressors, Surges, Flow (Dynamics), Impellers, Blades, Computational fluid dynamics, Suction, Flow separation, Internal flow
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

Influence of Boss-Tip Radius Ratio of Impeller on Aerodynamic Performance of a Multistage Centrifugal Compressor

Takahiro Nishioka, Hiromi Kobayashi, Shigeo Nakajima, Hideo Nishida, Hiroki Enomoto
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT42A011, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25431
https://doi.org/10.1115/GT2014-25431
View Paper titled, Influence of Boss-Tip Radius Ratio of Impeller on Aerodynamic Performance of a Multistage Centrifugal Compressor
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Topics: Compressors, Impellers, Diffusers, Flow (Dynamics), Design, Pressure, Suction
Proceedings Papers

Design Optimization and Experimental Verification of Centrifugal Compressors With Curvilinear Element Blades

Kazuyuki Sugimura, Hiromi Kobayashi, Hideo Nishida
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 779-791, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69162
https://doi.org/10.1115/GT2012-69162
View Paper titled, Design Optimization and Experimental Verification of Centrifugal Compressors With Curvilinear Element Blades
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Topics: Blades, Compressors, Design, Optimization, Diffusers, Impellers, Suction, Flow (Dynamics), Engineering simulation, Genetic algorithms
Journal Articles

Performance Improvement of a Return Channel in a Multistage Centrifugal Compressor Using Multiobjective Optimization

Yoshifumi Nishida, Hiromi Kobayashi, Hideo Nishida, Kazuyuki Sugimura
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031026.
Paper No: TURBO-12-1117
https://doi.org/10.1115/1.4007518
Published Online: March 25, 2013
View Article titled, Performance Improvement of a Return Channel in a Multistage Centrifugal Compressor Using Multiobjective Optimization
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Topics: Compressors, Computational fluid dynamics, Design, Flow (Dynamics), Impellers, Optimization, Pareto optimization, Pressure, Shapes, Testing performance
Journal Articles

Effect of Impeller Blade Loading on Compressor Stage Performance in a High Specific Speed Range

Takanori Shibata, Manabu Yagi, Hideo Nishida, Hiromi Kobayashi, Masanori Tanaka
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041012.
https://doi.org/10.1115/1.4003659
Published Online: July 21, 2011
View Article titled, Effect of Impeller Blade Loading on Compressor Stage Performance in a High Specific Speed Range
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Topics: Blades, Compressors, Design, Flow (Dynamics), Impellers, Surges
Proceedings Papers

Optimizing a Suction Channel to Improve Performance of a Centrifugal Compressor Stage

Manabu Yagi, Takanori Shibata, Hideo Nishida, Hiromi Kobayashi, Masanori Tanaka, Kazuyuki Sugimura
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2007-2017, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23019
https://doi.org/10.1115/GT2010-23019
View Paper titled, Optimizing a Suction Channel to Improve Performance of a Centrifugal Compressor Stage
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Topics: Compressors, Suction, Design, Flow (Dynamics), Pressure, Computational fluid dynamics, Dimensions, Experimental design, Impellers, Mach number
Proceedings Papers

Effect of Impeller Blade Loading on Compressor Stage Performance in a High Specific Speed Range

Takanori Shibata, Manabu Yagi, Hideo Nishida, Hiromi Kobayashi, Masanori Tanaka
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1757-1768, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22281
https://doi.org/10.1115/GT2010-22281
View Paper titled, Effect of Impeller Blade Loading on Compressor Stage Performance in a High Specific Speed Range
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Topics: Blades, Compressors, Impellers, Surges, Design, Diffusion (Physics), Flow (Dynamics), Mach number, Machinery, Pressure
Journal Articles

Performance Improvement of a Centrifugal Compressor Stage by Increasing Degree of Reaction and Optimizing Blade Loading of a 3D Impeller

Takanori Shibata, Manabu Yagi, Hideo Nishida, Hiromi Kobayashi, Masanori Tanaka
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021004.
https://doi.org/10.1115/1.4000565
Published Online: October 19, 2010
View Article titled, Performance Improvement of a Centrifugal Compressor Stage by Increasing Degree of Reaction and Optimizing Blade Loading of a 3D Impeller
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Topics: Blades, Compressors, Design, Impellers, Flow (Dynamics)
Proceedings Papers

Performance Improvement of a Centrifugal Compressor Stage by Increasing Degree of Reaction and Optimizing Blade Loading of a 3D-Impeller

Takanori Shibata, Manabu Yagi, Hideo Nishida, Hiromi Kobayashi, Masanori Tanaka
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1305-1315, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59588
https://doi.org/10.1115/GT2009-59588
View Paper titled, Performance Improvement of a Centrifugal Compressor Stage by Increasing Degree of Reaction and Optimizing Blade Loading of a 3D-Impeller
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Topics: Blades, Compressors, Impellers, Diffusion (Physics), Computational fluid dynamics, Design, Pressure, Surges, Flow (Dynamics), Mach number
Proceedings Papers

Performance Improvement of Centrifugal Compressor Impellers by Optimizing Blade-Loading Distribution

Manabu Yagi, Tadaharu Kishibe, Takanori Shibata, Hideo Nishida, Hiromi Kobayashi
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1639-1648, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-51025
https://doi.org/10.1115/GT2008-51025
View Paper titled, Performance Improvement of Centrifugal Compressor Impellers by Optimizing Blade-Loading Distribution
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Topics: Blades, Compressor impellers, Impellers, Design, Computational fluid dynamics, Flow (Dynamics), Performance characterization, Suction, Testing performance