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Journal Articles

A Novel Design of Rim Sealing Flow for Improving Sealing Effectiveness

Du Qiang, Wang Ruonan, Xie Lei, Liu Guang, Lian Zengyan

J. Eng. Gas Turbines Power. July 2023, 145(7): 071003.

Paper No: GTP-22-1532

DOI: https://doi.org/10.1115/1.4056645

Published Online: February 27, 2023

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Topics: Flow (Dynamics), Sealing (Process), Clearances (Engineering)

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

J. Eng. Gas Turbines Power. May 2023, 145(5): 051001.

Paper No: GTP-22-1158

DOI: https://doi.org/10.1115/1.4055826

Published Online: December 20, 2022

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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

J. Eng. Gas Turbines Power. March 2023, 145(3): 031025.

Paper No: GTP-22-1247

DOI: https://doi.org/10.1115/1.4055351

Published Online: December 8, 2022

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Topics: Damping, Impellers, Leakage, Oxygen, Rotors, Sealing (Process), Stators, Stiffness, Stress, Whirls

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

J. Eng. Gas Turbines Power. January 2023, 145(1): 011011.

Paper No: GTP-22-1145

DOI: https://doi.org/10.1115/1.4055787

Published Online: October 20, 2022

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Topics: Damping, Displacement, Film thickness, Fluid films, Fluids, Leakage, Pressure, Sealing (Process), Stiffness, Supercritical carbon dioxide

Journal Articles

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Dimitrios Graikos, Hui Tang, Carl M. Sangan, Gary D. Lock, James A. Scobie

J. Eng. Gas Turbines Power. November 2022, 144(11): 111005.

Paper No: GTP-22-1355

DOI: https://doi.org/10.1115/1.4055457

Published Online: September 20, 2022

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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Rotors, Turbines, Wheels, Pressure, Turbulence, Sealing (Process)

Journal Articles

Leakage Characteristics of a Novel Hole-Pattern Damping Seal With Dovetail-Like Diversion Grooves: Numerical Simulation and Experiment

Jinbo Jiang, Xuan Zhang, Wenjing Zhao, Yi Ma, Xudong Peng

J. Eng. Gas Turbines Power. July 2022, 144(7): 071004.

Paper No: GTP-21-1605

DOI: https://doi.org/10.1115/1.4054371

Published Online: May 20, 2022

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Topics: Cavities, Damping, Leakage, Clearances (Engineering), Pressure, Sealing (Process), Computer simulation, Flow (Dynamics)

Journal Articles

Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces

Cyrille Bricaud, Oliver Schulz, Thomas Zierer, Vincent Peltier, Corina Schwitzke, Hans-Jörg Bauer

J. Eng. Gas Turbines Power. June 2022, 144(6): 061006.

Paper No: GTP-21-1690

DOI: https://doi.org/10.1115/1.4053965

Published Online: March 21, 2022

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Topics: Leakage, Pressure, Surface roughness, Sealing (Process)

Journal Articles

On the Extrapolation of Rim Sealing Performance From Test Bench to Real Engine: A Numerical Survey

Riccardo Da Soghe, Cosimo Bianchini, Lorenzo Mazzei, Alessio Bonini, Luca Innocenti, Daniele Di Benedetto, Lorenzo Orsini

J. Eng. Gas Turbines Power. April 2022, 144(4): 041001.

Paper No: GTP-21-1493

DOI: https://doi.org/10.1115/1.4052879

Published Online: January 4, 2022

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Topics: Computational fluid dynamics, Engines, Flow (Dynamics), Sealing (Process), Pressure, Geometry

Journal Articles

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Tianhao Wang, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. January 2022, 144(1): 011028.

Paper No: GTP-21-1430

DOI: https://doi.org/10.1115/1.4052267

Published Online: December 3, 2021

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Topics: Cavities, Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Leakage flows, Pressure, Rotors, Sealing (Process), Stiffness

Journal Articles

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie

J. Eng. Gas Turbines Power. November 2021, 143(11): 111010.

Paper No: GTP-21-1286

DOI: https://doi.org/10.1115/1.4051912

Published Online: September 27, 2021

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Topics: Annulus, Blades, Flow (Dynamics), Rotors, Wheels, Pressure, Sealing (Process), Turbines, Disks

Journal Articles

Performance of a Turbine Rim Seal Subject to Rotationally-Driven and Pressure-Driven Ingestion

Anna Bru Revert, Paul F. Beard, John W. Chew, Sebastiaan Bottenheim

J. Eng. Gas Turbines Power. August 2021, 143(8): 081025.

Paper No: GTP-20-1696

DOI: https://doi.org/10.1115/1.4049858

Published Online: May 28, 2021

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Topics: Annulus, Cavities, Disks, Flow (Dynamics), Pressure, Rotors, Sealing (Process), Turbines

Journal Articles

Wall-Modeled Large Eddy Simulations of Axial Turbine Rim Sealing

Donato M. Palermo, Feng Gao, Dario Amirante, John W. Chew, Anna Bru Revert, Paul F. Beard

J. Eng. Gas Turbines Power. June 2021, 143(6): 061025.

Paper No: GTP-20-1400

DOI: https://doi.org/10.1115/1.4049487

Published Online: April 2, 2021

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Topics: Flow (Dynamics), Rotors, Sealing (Process), Turbines, Stators, Scalars, Annulus, Large eddy simulation, Disks, Cavity flows

Journal Articles

Rotordynamic Behavior of Leaf Seals: Measurement of Frequency-Dependent Force Coefficients for Varying Inlet Parameters

Clemens Griebel

J. Eng. Gas Turbines Power. June 2021, 143(6): 061002.

Paper No: GTP-20-1236

DOI: https://doi.org/10.1115/1.4048054

Published Online: March 15, 2021

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Topics: Damping, Pressure, Rotors, Stiffness, Sealing (Process), Measurement uncertainty

Journal Articles

Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the Three-Dimensional Staggered Tube Bundle Model

Dengqian Ma, Yuanqiao Zhang, Zhigang Li, Jun Li, Xin Yan

J. Eng. Gas Turbines Power. May 2021, 143(5): 051023.

Paper No: GTP-20-1761

DOI: https://doi.org/10.1115/1.4050157

Published Online: March 15, 2021

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Topics: Clearances (Engineering), Leakage flows, Sealing (Process), Pressure

Journal Articles

A Three-Dimensional Tube Bundle Model Analysis for Leakage Flow Characteristics of Variable Bristle Diameter Brush Seals With Bristle Pack Stratification

Dengqian Ma, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. May 2021, 143(5): 051014.

Paper No: GTP-20-1560

DOI: https://doi.org/10.1115/1.4050065

Published Online: March 11, 2021

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Topics: Leakage flows, Sealing (Process), Clearances (Engineering), Pressure, 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)

Journal Articles

Experimental Investigations on the Pressure Fluctuations in the Sealing Gap of Dry Gas Seals With Embedded Pressure Sensors

Jingjing Luo, Dieter Brillert

J. Eng. Gas Turbines Power. March 2021, 143(3): 031005.

Paper No: GTP-20-1558

DOI: https://doi.org/10.1115/1.4049662

Published Online: February 8, 2021

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Topics: Pressure, Sealing (Process), Fluctuations (Physics)

Journal Articles

Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

P. W. Darby, A. W. Mesny, G. De Cosmo, M. Carnevale, G. D. Lock, J. A. Scobie, C. M. Sangan

J. Eng. Gas Turbines Power. February 2021, 143(2): 021009.

Paper No: GTP-20-1544

DOI: https://doi.org/10.1115/1.4049409

Published Online: January 18, 2021

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Topics: Cavities, Flow (Dynamics), Leakage, Leakage flows, Rotors, Stators, Momentum, Sealing (Process), Disks

Journal Articles

Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions

Ertuğrul Tolga Duran

J. Eng. Gas Turbines Power. October 2020, 142(10): 101001.

Paper No: GTP-20-1134

DOI: https://doi.org/10.1115/1.4048327

Published Online: September 23, 2020

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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pressure, Pressure drop, Rotors, Temperature, Turbomachinery, Viscosity, Heating

Journal Articles

Flow Instabilities in Gas Turbine Chute Seals

Joshua T. M. Horwood, Fabian P. Hualca, Mike Wilson, James A. Scobie, Carl M. Sangan, Gary D. Lock, Johan Dahlqvist, Jens Fridh

J. Eng. Gas Turbines Power. February 2020, 142(2): 021019.

Paper No: GTP-19-1407

DOI: https://doi.org/10.1115/1.4045148

Published Online: January 22, 2020

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Topics: Annulus, Blades, Computation, Flow (Dynamics), Pressure, Sealing (Process), Simulation, Stators, Wheels, Rotors

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Journal citation

NARROW

A Novel Design of Rim Sealing Flow for Improving Sealing Effectiveness

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

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

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

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Leakage Characteristics of a Novel Hole-Pattern Damping Seal With Dovetail-Like Diversion Grooves: Numerical Simulation and Experiment

Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces

On the Extrapolation of Rim Sealing Performance From Test Bench to Real Engine: A Numerical Survey

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Performance of a Turbine Rim Seal Subject to Rotationally-Driven and Pressure-Driven Ingestion

Wall-Modeled Large Eddy Simulations of Axial Turbine Rim Sealing

Rotordynamic Behavior of Leaf Seals: Measurement of Frequency-Dependent Force Coefficients for Varying Inlet Parameters

Numerical Investigations on the Leakage Flow Characteristics of Brush Seal Based on the Three-Dimensional Staggered Tube Bundle Model

A Three-Dimensional Tube Bundle Model Analysis for Leakage Flow Characteristics of Variable Bristle Diameter Brush Seals With Bristle Pack Stratification

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

Experimental Investigations on the Pressure Fluctuations in the Sealing Gap of Dry Gas Seals With Embedded Pressure Sensors

Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions

Flow Instabilities in Gas Turbine Chute Seals

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