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Journal Articles

Computer 3D Vision-Aided Full-3D Optimization of a Centrifugal Impeller

Cheng Ji, Zhiheng Wang, Guang Xi
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091011.
Paper No: TURBO-21-1228
DOI: https://doi.org/10.1115/1.4053744
Published Online: March 4, 2022
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Topics: Artificial neural networks, Blades, Computers, Flow (Dynamics), Impellers, Optimization, Pressure, Design, Shapes
Proceedings Papers

Comparison Study on Stage Performance of Centrifugal Compressors With Shrouded and Unshrouded Impellers

Guang Xi, Chenxi Zhao, Yonghong Tang, Zhiheng Wang
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A013, June 7–11, 2021
Paper No: GT2021-59902
DOI: https://doi.org/10.1115/GT2021-59902
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Topics: Compressors, Impellers, Blades, Clearances (Engineering), Design, Geometry, Centrifugal force, Computational fluid dynamics, Flow (Dynamics), Leakage
Proceedings Papers

Numerical Investigation on Propagation Characteristics of Inlet Total-Pressure Distortion in a Centrifugal Compressor

Mingyi Wang, Zhiheng Wang, Guang Xi, Yurun Li
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A011, June 7–11, 2021
Paper No: GT2021-59921
DOI: https://doi.org/10.1115/GT2021-59921
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Topics: Compressors, Pressure, Flow (Dynamics), Blades, Air flow, Annulus, Computer simulation, Impellers, Rotation, Suction
Journal Articles

A Flow Information-Based Prediction Model Applied to the Nonaxisymmetric Hub Optimization of a Centrifugal Impeller

Cheng Ji, Zhiheng Wang, Yonghong Tang, Guang Xi
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. October 2021, 143(10): 103502.
Paper No: MD-20-1829
DOI: https://doi.org/10.1115/1.4050655
Published Online: May 3, 2021
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Topics: Artificial neural networks, Flow (Dynamics), Impellers, Optimization, Pressure, Design, Blades
Proceedings Papers

Experimental and Numerical Investigations on Flow Losses of a U-Bend and Return Channel System for Centrifugal Compressor

Guang Xi, Yubao Tian, Yunpeng Guo, Yonghong Tang, Zhiheng Wang
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A010, June 17–21, 2019
Paper No: GT2019-90559
DOI: https://doi.org/10.1115/GT2019-90559
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Topics: Compressors, Flow (Dynamics), Reynolds number, Guide vanes, Blades, Computational fluid dynamics, Computer simulation, Design, Mach number, Machinery
Journal Articles

Quantitative Study on Equivalent Roughness Conversion Coefficient and Roughness Effect of Centrifugal Compressor

Yonghong Tang, Guang Xi, Zhiheng Wang, Yubao Tian
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. February 2020, 142(2): 021208.
Paper No: FE-19-1469
DOI: https://doi.org/10.1115/1.4044843
Published Online: October 30, 2019
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Topics: Compressors, Surface roughness, Flow (Dynamics)
Proceedings Papers

The Unsteady Pre-Stall Behavior of the Spike-Type Rotating Stall Within an Airfoil Vaned-Diffuser

Jiayi Zhao, Guang Xi, Zhiheng Wang, Yang Zhao
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A015, June 11–15, 2018
Paper No: GT2018-76145
DOI: https://doi.org/10.1115/GT2018-76145
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Topics: Airfoils, Diffusers, Vortices, Blades, Flow (Dynamics), Pressure, Stall inception, Annulus, Chaos, Design
Proceedings Papers

Numerical Study on Interaction of Tip Synthetic Jet With Tip Leakage Flow in Centrifugal Impeller

Wenlin Huang, Huijing Zhao, Zhiheng Wang, Guang Xi, Haijun Liu
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A019, June 11–15, 2018
Paper No: GT2018-76330
DOI: https://doi.org/10.1115/GT2018-76330
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Topics: Impellers, Leakage flows, Blades, Flow (Dynamics), Excitation, Clearances (Engineering), Momentum, Numerical analysis
Proceedings Papers

Effect of Inflow Circumferential Distortion on a Transonic Axial Compressor

Yuyun Li, Zhiheng Wang, Guang Xi
Proc. ASME. GT2017, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A026, June 26–30, 2017
Paper No: GT2017-64525
DOI: https://doi.org/10.1115/GT2017-64525
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Topics: Compressors, Inflow, Rotors, Blades, Flow (Dynamics), Pressure, Shock (Mechanics), Boundary layers, Computer simulation, Failure
Proceedings Papers

Numerical Investigation of Diffuser Flow Field and Rotating Stall in a Centrifugal Compressor With Vaned Diffuser

Yang Zhao, Jiayi Zhao, Zhiheng Wang, Guang Xi
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A016, June 26–30, 2017
Paper No: GT2017-63913
DOI: https://doi.org/10.1115/GT2017-63913
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Separation (Technology), Suction, Vortices, Blades, Design, Computational fluid dynamics
Proceedings Papers

Influence of Adjustable Inlet Guide Vanes on the Performance Characteristics of a Shrouded Centrifugal Compressor

Yubao Tian, Yonghong Tang, Zhiheng Wang, Guang Xi
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A020, June 26–30, 2017
Paper No: GT2017-63918
DOI: https://doi.org/10.1115/GT2017-63918
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Topics: Compressors, Inlet guide vanes, Performance characterization, Flow (Dynamics), Stability, Computational fluid dynamics, Mach number, Machinery, Modeling, Oxygen
Proceedings Papers

Numerical Investigation of Shock Effects on Performance and Flow Field in a Transonic Centrifugal Impeller

Huijing Zhao, Zhiheng Wang, Hongshi Yu, Chaoyang Jiang, Guang Xi
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A012, June 13–17, 2016
Paper No: GT2016-56488
DOI: https://doi.org/10.1115/GT2016-56488
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Topics: Flow (Dynamics), Impellers, Shock (Mechanics), Blades, Boundary layers, Clearances (Engineering), Compressors, Design, Vortices, Flow separation
Proceedings Papers

Trailing Edge Filings and a Modified Stodola’s Slip Factor for Centrifugal Impeller

Guang Xi, Huijing Zhao, Zhiheng Wang
Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T09A009, June 15–19, 2015
Paper No: GT2015-42874
DOI: https://doi.org/10.1115/GT2015-42874
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Topics: Impellers, Pressure, Compressors, Blades, Computer simulation, Flow (Dynamics), Suction, Viscosity
Proceedings Papers

Investigation of Performance and Flow Field of a Centrifugal Compressor Under Negative Pre-Swirl

Jiayi Zhao, Zhiheng Wang, Guang Xi, Xiaohong Zhang, Aiqing Lan, Wuqi Gong
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A026, June 15–19, 2015
Paper No: GT2015-43141
DOI: https://doi.org/10.1115/GT2015-43141
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Topics: Compressors, Flow (Dynamics), Impellers, Inlet guide vanes, Pressure, Separation (Technology), Diffusers, Energy transformation, Numerical analysis, Vortices
Proceedings Papers

Numerical Investigation on the Stage Matching in a Multi-Stage Centrifugal Compressor

Pengfei Zhang, Zhiheng Wang, Wenlong Duan, Guang Xi
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT42A031, June 16–20, 2014
Paper No: GT2014-26614
DOI: https://doi.org/10.1115/GT2014-26614
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Topics: Compressors, Flow (Dynamics), Inflow, Thrust, Computational fluid dynamics, Impellers, Machinery, Pressure, Refrigeration
Proceedings Papers

Numerical Investigation on the Labyrinth Seal Design for a Low Flow Coefficient Centrifugal Compressor

Zhiheng Wang, Liqun Xu, Guang Xi
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2031-2041, June 14–18, 2010
Paper No: GT2010-23096
DOI: https://doi.org/10.1115/GT2010-23096
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Topics: Compressors, Design, Flow (Dynamics), Computational fluid dynamics, Engineering simulation, Impellers, Leakage, Simulation, Compressor impellers, Geometry
Proceedings Papers

Aerodynamic Design and Experimental Validation of Centrifugal Compressor Impellers With Small Flow Rate

Guang Xi, Zhiheng Wang, Xinwei Li, Shangjin Wang
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1331-1338, June 8–12, 2009
Paper No: GT2009-59785
DOI: https://doi.org/10.1115/GT2009-59785
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Topics: Compressor impellers, Design, Flow (Dynamics), Impellers, Compressors, Carbon dioxide, Cycles, Design methodology, Surges, Vortices
Proceedings Papers

Analysis and Redesign of the Stationary Components for a Low Flow Coefficient Centrifugal Compressor Stage

Zhiheng Wang, Guang Xi
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1267-1272, June 8–12, 2009
Paper No: GT2009-59463
DOI: https://doi.org/10.1115/GT2009-59463
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Topics: Compressors, Flow (Dynamics), Computational fluid dynamics, Carbon dioxide, Design, Diffusers, Impellers
Proceedings Papers

An Experimental Investigation on the Clocking Effect Between Inlet Guide Vanes and Vaned Diffuser in a Centrifugal Compressor Stage

Jiang Hua, Xi Guang, Zhang Wei, WuQi Gong, ZhiHeng Wang
Proc. ASME. IMECE2008, Volume 5: Design, Analysis, Control and Diagnosis of Fluid Power Systems, 67-74, October 31–November 6, 2008
Paper No: IMECE2008-66745
DOI: https://doi.org/10.1115/IMECE2008-66745
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Topics: Compressors, Diffusers, Inlet guide vanes, Impellers, Stators, Flow (Dynamics), Pressure, Rotors, Turbines, Turbomachinery
Proceedings Papers

Aerodynamic Optimization Design of Vaned Diffusers for the 100 kW Micro Gas Turbine’s Centrifugal Compressor

Guang Xi, Zhiheng Wang, Chunmei Zhang, Minjian Yuan
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 2297-2303, June 9–13, 2008
Paper No: GT2008-50440
DOI: https://doi.org/10.1115/GT2008-50440
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Topics: Compressors, Design, Diffusers, Optimization, Airfoils, Engineering design, Flow (Dynamics), Impellers, Testing performance, Viscous flow