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Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A013, June 7–11, 2021

Paper No: GT2021-58996

DOI: https://doi.org/10.1115/GT2021-58996

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Topics: Cavities, Leakage, Design, Abrasion, Manufacturing, Rotors, Transients (Dynamics), Bearings, Centrifugal pumps, Clearances (Engineering)

Journal Articles

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. October 2021, 143(10): 101002.

Paper No: GTP-21-1024

DOI: https://doi.org/10.1115/1.4051104

Published Online: June 17, 2021

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Topics: Brakes, Cavities, Dampers, Damping, Fluids, Leakage, Pressure, Rotors, Stiffness, Supercritical carbon dioxide

Journal Articles

Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure

Wei He, Qinghua Deng, Guoying Yang, Zhenping Feng

J. Turbomach. September 2021, 143(9): 091005.

Paper No: TURBO-20-1405

DOI: https://doi.org/10.1115/1.4050608

Published Online: May 3, 2021

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Topics: Coolants, Cooling, Flow (Dynamics), Heat transfer, Impingement cooling, Pressure, Reynolds number, Turbulence, Turning angles, Vortices

Journal Articles

Investigation and Application of Bio-Inspired Microscale Structures to Turbine Endwall for Enhancing Film Cooling Performance

Xing Yang, Qiang Zhao, Zhenping Feng

J. Thermal Sci. Eng. Appl. December 2021, 13(6): 061001.

Paper No: TSEA-20-1525

DOI: https://doi.org/10.1115/1.4050413

Published Online: March 30, 2021

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Topics: Biomimetics, Cooling, Film cooling, Flow (Dynamics), Heat transfer, Microscale devices, Turbines, Coolants, Vorticity

Journal Articles

Study on Flow and Heat Transfer Characteristics of a New-Proposed Alternating Elliptical U-Channel in the Midchord Region of Gas Turbine Blade

Kun Xiao, Juan He, Zhenping Feng

J. Eng. Gas Turbines Power. May 2021, 143(5): 051025.

Paper No: GTP-20-1779

DOI: https://doi.org/10.1115/1.4050158

Published Online: March 15, 2021

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Topics: Blades, Flow (Dynamics), Gas turbines, Heat transfer, Pressure, Vortices, Cooling, Turbulence, Flow separation, Reynolds number

Journal Articles

Numerical Investigations of Leakage Performance Degradations in Labyrinth and Flexible Seals Due to Wear

Xinbo Dai, Xin Yan, Kun He, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. May 2021, 143(5): 051003.

Paper No: GTP-20-1180

DOI: https://doi.org/10.1115/1.4049008

Published Online: March 11, 2021

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Topics: Computational fluid dynamics, Design, Finite element analysis, Fins, Leakage, Rotors, Strips, Wear, Damage, Flow (Dynamics)

Journal Articles

Static and Rotordynamic Characteristics for Two Types of Novel Mixed Liquid Damper Seals With Hole-Pattern/Pocket-Textured Stator and Helically Grooved Rotor

Zhigang Li, Zhi Fang, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. April 2021, 143(4): 041019.

Paper No: GTP-20-1726

DOI: https://doi.org/10.1115/1.4049890

Published Online: February 26, 2021

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Topics: Dampers, Drag (Fluid dynamics), Fluids, Leakage, Rotors, Stators, Stiffness, Damping, Numerical analysis, Flow (Dynamics)

Proceedings Papers

Effect of Ribs on Heat Transfer and Pressure Drop in a U-Bend Channel With Double-Layer, Dome-Shaped Turning Vanes

Bin Wu, Xing Yang, Zhao Liu, Zhenping Feng

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A028, September 21–25, 2020

Paper No: GT2020-15980

DOI: https://doi.org/10.1115/GT2020-15980

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Topics: Domes (Structural elements), Heat transfer, Pressure drop, Turning vanes

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Supplemental Material

Experimental and Numerical Investigations Into the Blade Tip Phantom Cooling Performance

Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery

Experimental and Numerical Investigations of Extended Jet Effects on Multiple-Jet Impingement Heat Transfer Characteristics

Multiparameter Optimization to Improve the Erosion Resistance of Coating by Finite Element Simulation

Heat Transfer Enhancement of Impingement Cooling by Different Crossflow Diverters

Experimental Investigation and Optimal Design on the Film Cooling Performance of Fan-Shaped Hole With Vortex Generator Fed by Crossflow

Film Cooling and Aerodynamic Performance on Multi-Cavity Squealer Tip of a Turbine Blade

Conjugate Heat Transfer Characteristics of Double Wall Cooling With Gradient Diameter of Film and Impingement Holes

Film Cooling Effectiveness Enhancement Using Multi-Longitudinal Vortex Generated by Alternating Elliptical Film Holes

Jet Impingement Heat Transfer Enhancement With Different Crossflow Diverter Shapes

Adjoint Based Heat Conduction Optimization of Struts Parameters Within Hollow Blade

Multi-Parameter Optimization to Improve the Erosion Resistance of Coating by FE Simulation

Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Effects of Turning Angle and Turning Internal Radius on Channel Impingement Cooling for a Novel Internal Cooling Structure

Investigation and Application of Bio-Inspired Microscale Structures to Turbine Endwall for Enhancing Film Cooling Performance

Study on Flow and Heat Transfer Characteristics of a New-Proposed Alternating Elliptical U-Channel in the Midchord Region of Gas Turbine Blade

Numerical Investigations of Leakage Performance Degradations in Labyrinth and Flexible Seals Due to Wear

Static and Rotordynamic Characteristics for Two Types of Novel Mixed Liquid Damper Seals With Hole-Pattern/Pocket-Textured Stator and Helically Grooved Rotor

Effect of Ribs on Heat Transfer and Pressure Drop in a U-Bend Channel With Double-Layer, Dome-Shaped Turning Vanes

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