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Proceedings Papers

Effects of the Blade Tip Loading Distribution on Transonic Centrifugal Impeller Stability

Bijie Yang, Teng Cao, Yoshihiro Hayashi, Tadashi Kanzaka, Isao Tomita
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127434
https://doi.org/10.1115/GT2024-127434
View Paper titled, Effects of the Blade Tip Loading Distribution on Transonic Centrifugal Impeller Stability
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Topics: Blades, Impellers, Stability, Flow (Dynamics), Design, Compressors, Leakage, Pressure, Annulus, Engineering simulation
Journal Articles

Pressure Characteristic Rollover of a Transonic Centrifugal Impeller

Teng Cao, Yoshihiro Hayashi, Isao Tomita
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2023, 145(12): 121011.
Paper No: TURBO-23-1175
https://doi.org/10.1115/1.4063517
Published Online: October 19, 2023
View Article titled, Pressure Characteristic Rollover of a Transonic Centrifugal Impeller
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Topics: Compressors, Flow (Dynamics), Impellers, Pressure, Blades, Compressibility
Proceedings Papers

Pressure Characteristic Rollover of a Transonic Centrifugal Impeller

Teng Cao, Yoshihiro Hayashi, Isao Tomita
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101815
https://doi.org/10.1115/GT2023-101815
View Paper titled, Pressure Characteristic Rollover of a Transonic Centrifugal Impeller
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Topics: Compressibility, Impellers, Pressure, Stability
Proceedings Papers

Flow Field Analysis and Optimized Design of a Centrifugal Compressor Volute

Pablo Ale Martos, Maria Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Isao Tomita, Tadashi Kanzaka, Seiichi Ibaraki
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A037, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59879
https://doi.org/10.1115/GT2021-59879
View Paper titled, Flow Field Analysis and Optimized Design of a Centrifugal Compressor Volute
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Topics: Compressors, Design, Flow (Dynamics), Surges, Automotive engines, Carbon, Design methodology, Engines, Impellers, Pressure
Proceedings Papers

Simultaneous Optimization of Impeller Blade Loading Distribution and Meridional Geometry for Aerodynamic Design of Centrifugal Compressor

Kaito Manabe, Sasuga Ito, Masato Furukawa, Kazutoyo Yamada, Nobuhito Oka, Isao Tomita, Yoshihiro Hayashi
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A026, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5358
https://doi.org/10.1115/AJKFluids2019-5358
View Paper titled, Simultaneous Optimization of Impeller Blade Loading Distribution and Meridional Geometry for Aerodynamic Design of Centrifugal Compressor
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Topics: Blades, Compressors, Design, Genetic algorithms, Geometry, Impellers, Optimization
Journal Articles

On the Effect of Engine Pulsations on the Performance of a Turbocharger Centrifugal Compressor

Maria Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Isao Tomita, Seiichi Ibaraki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2019, 141(8): 081001.
Paper No: GTP-18-1493
https://doi.org/10.1115/1.4042609
Published Online: February 11, 2019
View Article titled, On the Effect of Engine Pulsations on the Performance of a Turbocharger Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Surges, Pressure, Compression
Proceedings Papers

The Role of Meridional Geometry in Aerodynamic Design of Centrifugal Compressor

Sasuga Ito, Kazutoyo Yamada, Masato Furukawa, Kaito Manabe, Nobuhito Oka, Isao Tomita, Yoshihiro Hayashi
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, V003T12A022, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83398
https://doi.org/10.1115/FEDSM2018-83398
View Paper titled, The Role of Meridional Geometry in Aerodynamic Design of Centrifugal Compressor
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Topics: Compressors, Design, Geometry, Viscous flow, Turbochargers, Boundary layers, Design methodology, Engines, Reynolds-averaged Navier–Stokes equations, Vehicles
Journal Articles

Effect of Exit Pressure Pulsation on the Performance and Stability Limit of a Turbocharger Centrifugal Compressor

Maria Esperanza Barrera-Medrano, Peter Newton, Ricardo Martinez-Botas, Srithar Rajoo, Isao Tomita, Seiichi Ibaraki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 052601.
Paper No: GTP-16-1366
https://doi.org/10.1115/1.4034689
Published Online: December 21, 2016
View Article titled, Effect of Exit Pressure Pulsation on the Performance and Stability Limit of a Turbocharger Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Pressure, Surges, Valves, Engines, Compression, Stability, Pulsatile flow
Proceedings Papers

Effect of Exit Pressure Pulsation on the Performance and Stability Limit of a Turbocharger Centrifugal Compressor

Maria Esperanza Barrera-Medrano, Peter Newton, Ricardo Martinez-Botas, Srithar Rajoo, Isao Tomita, Seiichi Ibaraki
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A003, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56109
https://doi.org/10.1115/GT2016-56109
View Paper titled, Effect of Exit Pressure Pulsation on the Performance and Stability Limit of a Turbocharger Centrifugal Compressor
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Topics: Compressors, Pressure, Stability, Turbochargers, Surges, Valves, Flow (Dynamics), Compression, Diffusers, Dynamics (Mechanics)
Proceedings Papers

Effects of Flow Path Height of Impeller Exit and Diffuser on Flow Fields in a Transonic Centrifugal Compressor

Isao Tomita, Seiichi Ibaraki, Koji Wakashima, Masato Furukawa, Kazutoyo Yamada, Dai Kanzaki
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A029, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43271
https://doi.org/10.1115/GT2015-43271
View Paper titled, Effects of Flow Path Height of Impeller Exit and Diffuser on Flow Fields in a Transonic Centrifugal Compressor
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Turbochargers, Carbon, Eddies (Fluid dynamics), Emissions, Engines, Internal flow
Proceedings Papers

The Effect of Tip Leakage Vortex for Operating Range Enhancement of Centrifugal Compressor

Isao Tomita, Seiichi Ibaraki, Masato Furukawa, Kazutoyo Yamada
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 735-743, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68947
https://doi.org/10.1115/GT2012-68947
View Paper titled, The Effect of Tip Leakage Vortex for Operating Range Enhancement of Centrifugal Compressor
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Topics: Compressors, Leakage, Vortices, Flow (Dynamics), Turbochargers, Blades, Engines, Fuel consumption, Geometry, Pressure
Journal Articles

The Effect of Tip Leakage Vortex for Operating Range Enhancement of Centrifugal Compressor

Isao Tomita, Seiichi Ibaraki, Masato Furukawa, Kazutoyo Yamada
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051020.
Paper No: TURBO-12-1149
https://doi.org/10.1115/1.4007894
Published Online: June 28, 2013
View Article titled, The Effect of Tip Leakage Vortex for Operating Range Enhancement of Centrifugal Compressor
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Topics: Compressors, Blades, Flow (Dynamics), Vortices, Internal flow
Proceedings Papers

The Role of Tip Leakage Vortex Breakdown in Flow Fields and Aerodynamic Characteristics of Transonic Centrifugal Compressor Impellers

Kazutoyo Yamada, Masato Furukawa, Hisataka Fukushima, Seiichi Ibaraki, Isao Tomita
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 2111-2123, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46253
https://doi.org/10.1115/GT2011-46253
View Paper titled, The Role of Tip Leakage Vortex Breakdown in Flow Fields and Aerodynamic Characteristics of Transonic Centrifugal Compressor Impellers
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Topics: Compressor impellers, Flow (Dynamics), Leakage, Vortices, Impellers, Blades, Design, Fluctuations (Physics), Pressure, Pressure transducers
Proceedings Papers

Unsteady and Three-Dimensional Flow Phenomena in a Transonic Centrifugal Compressor Impeller at Rotating Stall

Kenichiro Iwakiri, Masato Furukawa, Seiichi Ibaraki, Isao Tomita
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1611-1622, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59516
https://doi.org/10.1115/GT2009-59516
View Paper titled, Unsteady and Three-Dimensional Flow Phenomena in a Transonic Centrifugal Compressor Impeller at Rotating Stall
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Topics: Compressor impellers, Flow (Dynamics), Compressors, Blades, Impellers, Separation (Technology), Vortices, Eddies (Fluid dynamics), Internal flow, Leakage