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Journal Articles

Optimization of Smooth Straight-Through Labyrinth Seal Based on XGBoost and Improved Genetic Algorithm

Hao Liu, Guoqing Li, Chenyang Kang, Yunhong Ruan, Ruofan Wang, Xingen Lu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031007.
Paper No: GTP-24-1504
https://doi.org/10.1115/1.4066357
Published Online: October 3, 2024
View Article titled, Optimization of Smooth Straight-Through Labyrinth Seal Based on XGBoost and Improved Genetic Algorithm
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Topics: Leakage, Optimization, Genetic algorithms, Pressure
Journal Articles

The matching mechanism and flow mechanisms of supersonic through-flow variable-pitch tandem cascade

Accepted Manuscript
Xiaoying Sheng, Ziliang Li, Yunfeng Wu, Hang Yuan, Chengwu Yang, Xingen Lu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1085
https://doi.org/10.1115/1.4066507
Published Online: September 11, 2024
View Article titled, The matching mechanism and flow mechanisms of supersonic through-flow variable-pitch tandem cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Turbochargers, Blades, Chords (Trusses), Boundary layers, Compressors, Computational fluid dynamics, Pressure, Shock (Mechanics)
Proceedings Papers

Control of Secondary Flow Losses in a Turbine Stage via Stator Endwall Fence at a Low Reynolds Number

Hang Yuan, Xingen Lu, Yunfeng Wu, Jianshe Zhang, Yanfeng Zhang
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A031, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126313
https://doi.org/10.1115/GT2024-126313
View Paper titled, Control of Secondary Flow Losses in a Turbine Stage via Stator Endwall Fence at a Low Reynolds Number
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Topics: Flow (Dynamics), Optimization, Reynolds number, Stators, Turbines
Proceedings Papers

Investigation of Flow Mechanism for Solidity in Typical Modes of Variable Pitch Tandem Cascade

Xiaoying Sheng, Qiaodan Luo, Huafeng Xu, Chengwu Yang, Xingen Lu
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127296
https://doi.org/10.1115/GT2024-127296
View Paper titled, Investigation of Flow Mechanism for Solidity in Typical Modes of Variable Pitch Tandem Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Shock (Mechanics), Blades, Aerospace industry, Boundary layers, Engines, Geometry, Hybrid power systems, Inflow
Proceedings Papers

Aerodynamic Design Methodology for High-Load Compressor Blade Profiles at Low Reynolds Numbers

Huafeng Xu, Mingyang Wang, Shengfeng Zhao, Xiaoying Sheng, Xingen Lu
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127222
https://doi.org/10.1115/GT2024-127222
View Paper titled, Aerodynamic Design Methodology for High-Load Compressor Blade Profiles at Low Reynolds Numbers
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Topics: Blades, Compressors, Design, Design methodology, Large eddy simulation, Reynolds number, Stress
Journal Articles

Unsteady Interaction Between Purge Flow and Secondary Flow in High-Lift Low-Pressure Turbine

Xiao Qu, Meng Wu, Yanfeng Zhang, Xingen Lu, Liunan Li, Yuyan Jiang, Junqiang Zhu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111005.
Paper No: TURBO-23-1352
https://doi.org/10.1115/1.4065566
Published Online: June 7, 2024
View Article titled, Unsteady Interaction Between Purge Flow and Secondary Flow in High-Lift Low-Pressure Turbine
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Topics: Blades, Flow (Dynamics), Pressure, Wakes, Vortices, Turbines
Journal Articles

Film Cooling Performance on a Turbine Blade With Subregional Compound Angle

Guoqing Li, Ang Li, Shen Zhang, Chenfeng Wang, Xingen Lu
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. May 2024, 146(5): 053801.
Paper No: HT-23-1205
https://doi.org/10.1115/1.4064153
Published Online: March 4, 2024
View Article titled, Film Cooling Performance on a Turbine Blade With Subregional Compound Angle
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Journal Articles

Evolution and Action Mechanism of Relative Negative Pressure Zone in Spiral Groove Gas Face Seal for Aero-Engine

Hui Li, Guoqing Li, Hao Liu, Ang Li, Xingen Lu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. February 2024, 146(2): 024401.
Paper No: TRIB-23-1163
https://doi.org/10.1115/1.4063197
Published Online: November 2, 2023
View Article titled, Evolution and Action Mechanism of Relative Negative Pressure Zone in Spiral Groove Gas Face Seal for Aero-Engine
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Topics: Film thickness, Leakage, Pressure, Aircraft engines
Journal Articles

Fan Flutter Mechanisms Related to Blade Mode Shape and Acoustic Properties

Xu Dong, Yanfeng Zhang, Xingen Lu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091013.
Paper No: TURBO-23-1022
https://doi.org/10.1115/1.4062806
Published Online: July 27, 2023
View Article titled, Fan Flutter Mechanisms Related to Blade Mode Shape and Acoustic Properties
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Topics: Acoustics, Blades, Damping, Flutter (Aerodynamics), Mode shapes, Pressure, Flow (Dynamics), Vibration
Journal Articles

Effects of High Rotational Speed on Leakage and Windage Heating of Staggered Labyrinth Seals With Smooth and Honeycomb Lands

Hao Liu, Guoqing Li, Ang Li, Shen Zhang, Hui Li, Xingen Lu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2023, 145(8): 081005.
Paper No: GTP-22-1676
https://doi.org/10.1115/1.4062480
Published Online: July 19, 2023
View Article titled, Effects of High Rotational Speed on Leakage and Windage Heating of Staggered Labyrinth Seals With Smooth and Honeycomb Lands
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Topics: Heating, Honeycomb structures, Leakage, Pressure, Temperature, Leakage flows
Journal Articles

Stall Behavior in an Ultrahigh-Pressure-Ratio Centrifugal Compressor: Backward-Traveling Rotating Stall

Yingjie Zhang, Xingen Lu, Yanfeng Zhang, Ziqing Zhang, Xu Dong, Ge Han
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101010.
Paper No: TURBO-20-1318
https://doi.org/10.1115/1.4050918
Published Online: April 21, 2022
View Article titled, Stall Behavior in an Ultrahigh-Pressure-Ratio Centrifugal Compressor: Backward-Traveling Rotating Stall
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Topics: Blades, Compressors, Diffusers, Flow (Dynamics), Impellers, Pressure, Rotation, Waves, Separation (Technology), Suction
Journal Articles

Numerical Investigation of the Fan Flutter Mechanism Related to Acoustic Propagation Characteristics

Xu Dong, Yanfeng Zhang, Xingen Lu, Yingjie Zhang, Jiuliang Gan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2022, 144(10): 101009.
Paper No: TURBO-21-1041
https://doi.org/10.1115/1.4054161
Published Online: April 19, 2022
View Article titled, Numerical Investigation of the Fan Flutter Mechanism Related to Acoustic Propagation Characteristics
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Topics: Acoustics, Blades, Damping, Flutter (Aerodynamics), Pressure, Chords (Trusses), Suction, Flow (Dynamics)
Proceedings Papers

Effect of Backward Sweep on Aerodynamic Performance of a 1.5-Stage Highly Loaded Axial Compressor

Song Huang, Chuangxin Zhou, Chengwu Yang, Shengfeng Zhao, Mingyang Wang, Xingen Lu
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14262
https://doi.org/10.1115/GT2020-14262
View Paper titled, Effect of Backward Sweep on Aerodynamic Performance of a 1.5-Stage Highly Loaded Axial Compressor
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Topics: Compressors, Computational fluid dynamics, Design
Journal Articles

Effect of Tip Clearance on the Aeroelastic Stability of a Wide-Chord Fan Rotor

Xu Dong, Yingjie Zhang, Ziqing Zhang, Xingen Lu, Yanfeng Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091010.
Paper No: GTP-20-1171
https://doi.org/10.1115/1.4048020
Published Online: August 28, 2020
View Article titled, Effect of Tip Clearance on the Aeroelastic Stability of a Wide-Chord Fan Rotor
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Topics: Blades, Clearances (Engineering), Damping, Pressure, Chords (Trusses), Flow (Dynamics), Stability, Rotors
Proceedings Papers

Design and Test of a Novel Highly-Loaded Compressor

Chengwu Yang, Ge Han, Shengfeng Zhao, Xingen Lu, Yanfeng Zhang, Ziliang Li
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A024, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91181
https://doi.org/10.1115/GT2019-91181
View Paper titled, Design and Test of a Novel Highly-Loaded Compressor
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Topics: Compressors, Design, Clearances (Engineering), Pressure, Diffusers, Rotors, Blades, Flow (Dynamics), Leakage flows, High pressure (Physics)
Proceedings Papers

Study of Geometric Parameter Influence on Fishtail Pipe Diffuser Performance

Ge Han, Xingen Lu, Yanfeng Zhang, Shengfeng Zhao, Chengwu Yang, Junqiang Zhu
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A028, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57404
https://doi.org/10.1115/GT2016-57404
View Paper titled, Study of Geometric Parameter Influence on Fishtail Pipe Diffuser Performance
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Topics: Diffusers, Pipes, Flow (Dynamics), Compressors, Combustion chambers, Design, High pressure (Physics), Pressure, Shapes, Engines
Proceedings Papers

Numerical Investigation of a Cantilevered Compressor Stator at Varying Clearance Sizes

Chengwu Yang, Xingen Lu, Yanfeng Zhang, Shengfeng Zhao, Junqiang Zhu
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A009, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42124
https://doi.org/10.1115/GT2015-42124
View Paper titled, Numerical Investigation of a Cantilevered Compressor Stator at Varying Clearance Sizes
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Topics: Clearances (Engineering), Compressors, Stators, Flow (Dynamics), Leakage flows, Rotors, Computer software, Corners (Structural elements), Flow turning, Leakage
Proceedings Papers

Study of a Highly Loaded Centrifugal Compressor With Pipe Diffuser at Design and Off-Design Operating Conditions

Ge Han, Xingen Lu, Yanfeng Zhang, Shengfeng Zhao, Junqiang Zhu
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A030, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43426
https://doi.org/10.1115/GT2015-43426
View Paper titled, Study of a Highly Loaded Centrifugal Compressor With Pipe Diffuser at Design and Off-Design Operating Conditions
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Topics: Compressors, Design, Diffusers, Pipes, Wedges, Flow (Dynamics), Flow separation, Pressure, Surges, Boundary layers
Journal Articles

Parametric Studies of Pipe Diffuser on Performance of a Highly Loaded Centrifugal Compressor

Ge Han, Xingen Lu, Shengfeng Zhao, Chengwu Yang, Junqiang Zhu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2014, 136(12): 122604.
Paper No: GTP-14-1206
https://doi.org/10.1115/1.4027867
Published Online: July 2, 2014
View Article titled, Parametric Studies of Pipe Diffuser on Performance of a Highly Loaded Centrifugal Compressor
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Topics: Compressors, Diffusers, Pipes, Flow (Dynamics), Design, Impellers
Proceedings Papers

Study of Flow Control Using a Slotted Blade for a Compressor Airfoil at Low Reynolds Numbers

Min Zhou, Junqiang Zhu, Xingen Lu, Zhihui Ge, Kexue Yan, Rong Huang
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 279-287, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22660
https://doi.org/10.1115/GT2010-22660
View Paper titled, Study of Flow Control Using a Slotted Blade for a Compressor Airfoil at Low Reynolds Numbers
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Topics: Airfoils, Blades, Compressors, Flow control, Reynolds number, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Separation (Technology), Suction