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Journal Articles

A Wide-Bandwidth And High-Resolution Identification Method For The Dynamic Characteristics Of Annular Gas Seals Using Hilbert Transform

Accepted Manuscript
Tianhao Wang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1657
https://doi.org/10.1115/1.4066718
Published Online: September 28, 2024
View Article titled, A Wide-Bandwidth And High-Resolution Identification Method For The Dynamic Characteristics Of Annular Gas Seals Using Hilbert Transform
Open the PDF for A Wide-Bandwidth And High-Resolution Identification Method For The Dynamic Characteristics Of Annular Gas Seals Using Hilbert Transform in another window
Topics: Resolution (Optics), Whirls, Computational fluid dynamics, Rotors, Signals, Clearances (Engineering), Dampers, Deformation, Excitation, Time-frequency analysis
Journal Articles

Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021005.
Paper No: GTP-24-1370
https://doi.org/10.1115/1.4066295
Published Online: September 26, 2024
View Article titled, Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine
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Topics: Brakes, Dampers, Damping, Fluids, Rotors, Steam turbines, Stiffness, Whirls, Cavities, Pressure
Journal Articles

Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011005.
Paper No: GTP-24-1148
https://doi.org/10.1115/1.4066287
Published Online: September 13, 2024
View Article titled, Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal
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Topics: Cavities, Computer simulation, Dampers, Damping, Design, Fluids, Leakage, Leakage flows, Numerical analysis, Rotors
Journal Articles

Experimental Study on the Endwall Aerothermal Performance of Turbine Cascades in a Novel Transient Test Facility

Bo Bai, Mingyang Hao, Yuanyuan Li, Zhigang Li, Jun Li, Shuo Mao, Wing F. Ng
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. November 2024, 16(11): 111006.
Paper No: TSEA-24-1217
https://doi.org/10.1115/1.4066406
Published Online: September 10, 2024
View Article titled, Experimental Study on the Endwall Aerothermal Performance of Turbine Cascades in a Novel Transient Test Facility
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Topics: Blades, Cascades (Fluid dynamics), Film cooling, Flow (Dynamics), Heat transfer, Pressure, Temperature, Test facilities, Transients (Dynamics), Turbines
Journal Articles

Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow

Zhiyu Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011011.
Paper No: TURBO-24-1162
https://doi.org/10.1115/1.4066272
Published Online: September 3, 2024
View Article titled, Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow
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Topics: Cascades (Fluid dynamics), Coolants, Design, Film cooling, Flow (Dynamics), Heat transfer, Inflow, Leakage, Pressure, Swirling flow
Proceedings Papers

Effect of Film Hole Configuration on the Impingement-Film Composite Cooling Performance of a Simulated Turbine Blade Leading Edge

Xinnan Chen, Bo Bai, Zhigang Li, Jun Li
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126204
https://doi.org/10.1115/GT2024-126204
View Paper titled, Effect of Film Hole Configuration on the Impingement-Film Composite Cooling Performance of a Simulated Turbine Blade Leading Edge
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Topics: Composite materials, Cooling, Heat transfer, Impingement cooling, Turbine blades, Coolants, Flow (Dynamics), Discharge coefficient, Film cooling, Pressure
Proceedings Papers

Effects of Combustor Residual Swirl and Hot Spot on Aerothermal Characteristics and Cooling Performance of Gas Turbine Blade

Tianyi Sun, Zhiyu Li, Zhigang Li, Jun Li, Qingzong Xu, Qiang Du
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124545
https://doi.org/10.1115/GT2024-124545
View Paper titled, Effects of Combustor Residual Swirl and Hot Spot on Aerothermal Characteristics and Cooling Performance of Gas Turbine Blade
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Topics: Blades, Combustion chambers, Cooling, Gas turbines
Proceedings Papers

Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow

Zhiyu Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124933
https://doi.org/10.1115/GT2024-124933
View Paper titled, Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow
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Topics: Film cooling, Inflow, Leakage, Swirling flow, Turbines
Proceedings Papers

Assessment of Rotordynamic Characteristics for the Hole-Pattern Damper Seal in a 150MW Steam Turbine

Weijun Zhao, Biao Huang, Chunbo Zheng, Zihan Zhang, Zhigang Li
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127426
https://doi.org/10.1115/GT2024-127426
View Paper titled, Assessment of Rotordynamic Characteristics for the Hole-Pattern Damper Seal in a 150MW Steam Turbine
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Topics: Dampers, Steam turbines
Proceedings Papers

Assessment of Rotordynamic Characteristics for the Fully-Partitioned Pocket Damper Seal in a 150MW Steam Turbine

Weijun Zhao, Wei Sun, Zepei Li, Zihan Zhang, Zhigang Li
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127379
https://doi.org/10.1115/GT2024-127379
View Paper titled, Assessment of Rotordynamic Characteristics for the Fully-Partitioned Pocket Damper Seal in a 150MW Steam Turbine
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Topics: Dampers, Steam turbines
Proceedings Papers

A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

Tianhao Wang, Zhigang Li, Jun Li
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT22A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126191
https://doi.org/10.1115/GT2024-126191
View Paper titled, A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform
Open the PDF for A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform in another window
Topics: Resolution (Optics), Time-frequency analysis, Whirls, Computational fluid dynamics, Rotors, Signals, Clearances (Engineering), Dampers, Deformation, Excitation
Proceedings Papers

Multi-Objective Aerodynamic Optimization of Gas Turbine Exhaust Diffuser: Experimental and Numerical Validations

Yuxuan Dong, Rui Yang, Xidong Wang, Zhigang Li, Jun Li, Liming Song
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127354
https://doi.org/10.1115/GT2024-127354
View Paper titled, Multi-Objective Aerodynamic Optimization of Gas Turbine Exhaust Diffuser: Experimental and Numerical Validations
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Topics: Diffusers, Exhaust systems, Gas turbines, Optimization, Pareto optimization
Journal Articles

Aerothermal Performance Robustness and Reliability Analysis of Turbine Blade Squealer Tip With Film Cooling

Ming Huang, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111011.
Paper No: TURBO-23-1088
https://doi.org/10.1115/1.4064081
Published Online: June 25, 2024
View Article titled, Aerothermal Performance Robustness and Reliability Analysis of Turbine Blade Squealer Tip With Film Cooling
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Topics: Algorithms, Blades, Clearances (Engineering), Cooling, Event history analysis, Film cooling, Flow (Dynamics), Heat flux, Heat transfer, Polynomials
Journal Articles

Turbine Blade Endwall Heat Transfer and Film Cooling Performance With Multigap Jets and Film Holes

Bo Bai, Zhiyu Li, Mingyang Hao, Yuanyuan Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111020.
Paper No: GTP-23-1137
https://doi.org/10.1115/1.4063373
Published Online: October 3, 2023
View Article titled, Turbine Blade Endwall Heat Transfer and Film Cooling Performance With Multigap Jets and Film Holes
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Topics: Blades, Film cooling, Flow (Dynamics), Heat transfer, Jets, Coolants, Heat transfer coefficients
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
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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
Open the PDF for A Full Three-Dimensional Transient Fluid-Structure Interaction Model for the Dynamic Characteristics Predictions of Bump-Type Gas Foil Journal Bearings in another window
Topics: Fluid structure interaction, Journal bearings, Rotors, Transients (Dynamics), Whirls
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
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
Publisher: American Society of Mechanical Engineers
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
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
Publisher: American Society of Mechanical Engineers
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
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
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
Open the PDF for A Novel Prediction Model for the Aerodynamic Losses Increase Due to Film Cooling Injections From Gas Turbine Vane Surface in another window
Topics: Film cooling, Gas turbines, Pressure, Coolants, Cascades (Fluid dynamics), Turbines, Computer simulation, Suction, Airfoils, Computational fluid dynamics
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
Publisher: ASME
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
Publisher: ASME
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