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Proceedings Papers

Numerical and Experimental Investigations on the Leakage Flow Characteristics and Temperature Distributions of Brush Seals

Pengfei Song, Dengqian Ma, Zhigang Li, Jun Li
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A010, June 26–30, 2023
Paper No: GT2023-102763
https://doi.org/10.1115/GT2023-102763
View Paper titled, Numerical and Experimental Investigations on the Leakage Flow Characteristics and Temperature Distributions of Brush Seals
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Topics: Heat transfer, Leakage flows, Temperature distribution
Proceedings Papers

Effect of Inflow Swirl on the Sealing Effectiveness of Turbine Rim Seal

Qingfeng Cong, Long Lei, Kaiyuan Zhang, Zhigang Li, Jun Li
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A011, June 26–30, 2023
Paper No: GT2023-102768
https://doi.org/10.1115/GT2023-102768
View Paper titled, Effect of Inflow Swirl on the Sealing Effectiveness of Turbine Rim Seal
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Topics: Inflow, Sealing (Process), Turbines
Proceedings Papers

A Novel Prediction Model for the Aerodynamic Losses Increase Due to Film Cooling Injections From Gas Turbine Vane Surface

Yulin Wang, Can Guo, Xinnan Chen, Tianyi Sun, Dawei Chen, Zhigang Li, Jun Li
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A015, June 26–30, 2023
Paper No: GT2023-102906
https://doi.org/10.1115/GT2023-102906
View Paper titled, A Novel Prediction Model for the Aerodynamic Losses Increase Due to Film Cooling Injections From Gas Turbine Vane Surface
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Topics: Film cooling, Gas turbines, Pressure, Coolants, Cascades (Fluid dynamics), Turbines, Computer simulation, Suction, Airfoils, Computational fluid dynamics
Proceedings Papers

A Full Three-Dimensional Transient Fluid-Structure Interaction Model for the Dynamic Characteristics Predictions of Bump-Type Gas Foil Journal Bearings

Zhuocong Li, Zhigang Li, Jun Li
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A019, June 26–30, 2023
Paper No: GT2023-102802
https://doi.org/10.1115/GT2023-102802
View Paper titled, A Full Three-Dimensional Transient Fluid-Structure Interaction Model for the Dynamic Characteristics Predictions of Bump-Type Gas Foil Journal Bearings
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Topics: Fluid structure interaction, Journal bearings, Rotors, Transients (Dynamics), Whirls
Journal Articles

Turbine Blade Endwall Heat Transfer And Film Cooling Performance With Multi-Gap Jets And Film Holes

Accepted Manuscript
Bo Bai, Zhiyu Li, Mingyang Hao, Yuanyuan Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1137
https://doi.org/10.1115/1.4063373
Published Online: September 8, 2023
View Article titled, Turbine Blade Endwall Heat Transfer And Film Cooling Performance With Multi-Gap Jets And Film Holes
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Topics: Film cooling, Heat transfer, Jets, Turbine blades, Flow (Dynamics), Blades, Manufacturing, Cascades (Fluid dynamics), Cavities, Coolants
Journal Articles

Comprehensive Aerothermal Investigation of Turbine Blade Multicavity Squealer Tip Using a Novel Methodology With Uncertainty Quantification

Ming Huang, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. October 2023, 15(10): 101010.
Paper No: TSEA-23-1070
https://doi.org/10.1115/1.4062836
Published Online: July 25, 2023
View Article titled, Comprehensive Aerothermal Investigation of Turbine Blade Multicavity Squealer Tip Using a Novel Methodology With Uncertainty Quantification
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Topics: Blades, Cavities, Flow (Dynamics), Gas turbines, Heat flux, Heat transfer, Leakage, Leakage flows, Pressure, Uncertainty
Journal Articles

Effect of Microchannel on the Composite Cooling Performance of a Simulated Turbine Blade Leading Edge

Xinnan Chen, Zhigang Li, Jun Li
Journal: ASME Journal of Heat and Mass Transfer
Article Type: Research-Article
J. Heat Mass Transfer. October 2023, 145(10): 101001.
Paper No: HT-22-1815
https://doi.org/10.1115/1.4062756
Published Online: July 14, 2023
View Article titled, Effect of Microchannel on the Composite Cooling Performance of a Simulated Turbine Blade Leading Edge
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Topics: Composite materials, Coolants, Cooling, Film cooling, Flow (Dynamics), Heat transfer, Microchannels, Turbine blades, Design
Journal Articles

Investigations on the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser at Different Swirl Angles

Yuxuan Dong, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061015.
Paper No: GTP-22-1486
https://doi.org/10.1115/1.4056428
Published Online: February 6, 2023
View Article titled, Investigations on the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser at Different Swirl Angles
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Topics: Diffusers, Exhaust systems, Pressure, Struts (Engineering)
Journal Articles

Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions

Zhi Fang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061003.
Paper No: GTP-22-1241
https://doi.org/10.1115/1.4056310
Published Online: January 13, 2023
View Article titled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
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Topics: Damping, Leakage, Numerical analysis, Pressure, Rotors, Stiffness, Clearances (Engineering), Leakage flows, Cavities, Oscillating frequencies
Journal Articles

Numerical Investigations on Gas Ingestion Mechanism Based on Flow Instabilities in Rim Seal and Cooling Characteristics of Endwall in a 1.5-Stage Axial Turbine

Qingfeng Cong, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051001.
Paper No: GTP-22-1158
https://doi.org/10.1115/1.4055826
Published Online: December 20, 2022
View Article titled, Numerical Investigations on Gas Ingestion Mechanism Based on Flow Instabilities in Rim Seal and Cooling Characteristics of Endwall in a 1.5-Stage Axial Turbine
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Topics: Blades, Cavities, Clearances (Engineering), Cooling, Disks, Film cooling, Flow (Dynamics), Rotors, Sealants, Sealing (Process)
Journal Articles

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Kai Mao, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031025.
Paper No: GTP-22-1247
https://doi.org/10.1115/1.4055351
Published Online: December 8, 2022
View Article titled, A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
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Topics: Damping, Impellers, Leakage, Oxygen, Rotors, Sealing (Process), Stators, Stiffness, Stress, Whirls
Journal Articles

Effects of Hole Blockage on Endwall Film Cooling and Vane Phantom Cooling Performances of a Transonic Turbine Vane

Bo Bai, Zhigang Li, Kaiyuan Zhang, Jun Li, Shuo Mao, Wing F. Ng
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041001.
Paper No: GTP-22-1207
https://doi.org/10.1115/1.4056094
Published Online: December 8, 2022
View Article titled, Effects of Hole Blockage on Endwall Film Cooling and Vane Phantom Cooling Performances of a Transonic Turbine Vane
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Topics: Coolants, Film cooling, Phantom cooling, Flow (Dynamics), Cooling
Proceedings Papers

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Zhigang Li, Jun Li
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A016, June 13–17, 2022
Paper No: GT2022-82556
https://doi.org/10.1115/GT2022-82556
View Paper titled, A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
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Topics: Impellers, Oxygen, Leakage, Rotors, Computational fluid dynamics, Dampers, Fluids, Stability, Stators, Stress
Proceedings Papers

Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor

Lehao Hu, Qinghua Deng, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A018, June 13–17, 2022
Paper No: GT2022-82921
https://doi.org/10.1115/GT2022-82921
View Paper titled, Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Impellers
Proceedings Papers

Effect of Inlet Preswirl on the Film Cooling Characteristics of Turbine Vane Surface

Xinnan Chen, Zhigang Li, Jun Li, Qingzong Xu, Qiang Du
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A032, June 13–17, 2022
Paper No: GT2022-82755
https://doi.org/10.1115/GT2022-82755
View Paper titled, Effect of Inlet Preswirl on the Film Cooling Characteristics of Turbine Vane Surface
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Topics: Film cooling, Heat transfer, Turbines
Proceedings Papers

Uncertainty Quantification on the Cooling Performance of a Transonic Turbine Vane With Upstream Endwall Misalignment

Mingyang Hao, Yuanyuan Li, Zhigang Li, Jun Li
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A029, June 13–17, 2022
Paper No: GT2022-82555
https://doi.org/10.1115/GT2022-82555
View Paper titled, Uncertainty Quantification on the Cooling Performance of a Transonic Turbine Vane With Upstream Endwall Misalignment
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Topics: Cooling, Film cooling, Turbines, Uncertainty quantification
Proceedings Papers

Development of a Transient Test Facility for Evaluating the Aerothermodynamic Performance of Gas Turbine Cascades

Bo Bai, Yuanyuan Li, Zhigang Li, Jun Li
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A015, June 13–17, 2022
Paper No: GT2022-82573
https://doi.org/10.1115/GT2022-82573
View Paper titled, Development of a Transient Test Facility for Evaluating the Aerothermodynamic Performance of Gas Turbine Cascades
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Topics: Gas turbines, Test facilities, Transients (Dynamics), Cascades (Fluid dynamics), Design, Flow (Dynamics), Temperature, Compressors, Control systems, Exhaust systems
Journal Articles

Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring

Tao Yuan, Zhigang Li, Jun Li, Qi Yuan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011011.
Paper No: GTP-22-1145
https://doi.org/10.1115/1.4055787
Published Online: October 20, 2022
View Article titled, Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring
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Topics: Damping, Displacement, Film thickness, Fluid films, Fluids, Leakage, Pressure, Sealing (Process), Stiffness, Supercritical carbon dioxide
Journal Articles

Investigations on the Aerodynamic Performance of a Gas Turbine Exhaust Diffuser With the Modified Shell Profile

Yuxuan Dong, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121021.
Paper No: GTP-22-1205
https://doi.org/10.1115/1.4055352
Published Online: October 19, 2022
View Article titled, Investigations on the Aerodynamic Performance of a Gas Turbine Exhaust Diffuser With the Modified Shell Profile
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Topics: Diffusers, Exhaust systems, Pressure, Shells, Flow (Dynamics), Struts (Engineering)
Journal Articles

Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part 1: Aerodynamic Performance

Ming Huang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011013.
Paper No: TURBO-22-1081
https://doi.org/10.1115/1.4055441
Published Online: October 10, 2022
View Article titled, Robustness Analysis on Aerothermal Performance of the Winglet Squealer Tip—Part 1: Aerodynamic Performance
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Topics: Blades, Cavities, Clearances (Engineering), Flow (Dynamics), Leakage, Leakage flows, Mach number, Pressure, Robustness, Suction