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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

J. Eng. Gas Turbines Power. June 2023, 145(6): 061003.

Paper No: GTP-22-1241

DOI: https://doi.org/10.1115/1.4056310

Published Online: January 13, 2023

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Topics: Damping, Leakage, Numerical analysis, Pressure, Rotors, Stiffness, Clearances (Engineering), Leakage flows, Cavities, Oscillating frequencies

Journal Articles

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele

J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.

Paper No: GTP-22-1478

DOI: https://doi.org/10.1115/1.4056347

Published Online: January 10, 2023

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Topics: Computational fluid dynamics, Dampers, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stiffness, Stability

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

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Dara W. Childs, Jing Yang, Luis San Andrés, Jose M. Torres Rueda, James Alex Moreland

J. Eng. Gas Turbines Power. March 2023, 145(3): 031005.

Paper No: GTP-22-1435

DOI: https://doi.org/10.1115/1.4055638

Published Online: December 5, 2022

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Topics: Leakage, Rotors, Stators, Stiffness, Damping, Pumps

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 Stepped Shaft Labyrinth Seal Verses A Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation

Jose Torres, Luis San Andrés, Jing Yang

J. Eng. Gas Turbines Power. January 2023, 145(1): 011006.

Paper No: GTP-22-1390

DOI: https://doi.org/10.1115/1.4055665

Published Online: October 19, 2022

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Topics: Clearances (Engineering), Dampers, Damping, Flow (Dynamics), Leakage, Pressure, Stiffness, Computational fluid dynamics, Excitation, Rotors

Journal Articles

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne, Minhui He

J. Eng. Gas Turbines Power. November 2022, 144(11): 111021.

Paper No: GTP-22-1349

DOI: https://doi.org/10.1115/1.4055412

Published Online: September 28, 2022

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Topics: Film thickness, Flow (Dynamics), Rotors, Shear stress, Pressure drop, Pressure, Leakage

Journal Articles

Performance Investigation of a Bladeless Air Compressor

Ravi Nath Tiwari, Federico Reggio, Avinash Renuke, Matteo Pascenti, Alberto Traverso, Mario Luigi Ferrari

J. Eng. Gas Turbines Power. September 2022, 144(9): 091008.

Paper No: GTP-22-1147

DOI: https://doi.org/10.1115/1.4054945

Published Online: August 16, 2022

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Topics: Compressors, Diffusers, Disks, Flow (Dynamics), Pressure, Rotors, Design, Numerical analysis, Leakage, Engineering prototypes

Journal Articles

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

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. July 2022, 144(7): 071006.

Paper No: GTP-21-1636

DOI: https://doi.org/10.1115/1.4054374

Published Online: May 20, 2022

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Topics: Brakes, Cavities, Clearances (Engineering), Dampers, Damping, Fluids, Pressure, Rotors, Stiffness, Supercritical carbon dioxide

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 Investigation on Leakage Characteristics of Low-Hysteresis Brush Seals

Pengfei Li, Yaping Hu, Honghu Ji, Xuechao Cui, Lei Liu, Shiming Li

J. Eng. Gas Turbines Power. July 2022, 144(7): 071010.

Paper No: GTP-22-1025

DOI: https://doi.org/10.1115/1.4054406

Published Online: May 20, 2022

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Topics: Cycles, Leakage, Pressure, Rotors

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

Experimental Characterization of Losses in Bladeless Turbine Prototype

Avinash Renuke, Federico Reggio, Alberto Traverso, Matteo Pascenti

J. Eng. Gas Turbines Power. April 2022, 144(4): 041009.

Paper No: GTP-21-1519

DOI: https://doi.org/10.1115/1.4053117

Published Online: January 21, 2022

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Topics: Flow (Dynamics), Nozzles, Rotors, Stators, Turbines, Ventilation, Engineering prototypes, Pressure, Leakage, Disks

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

An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?

Jing Yang, Luis San Andrés

J. Eng. Gas Turbines Power. December 2021, 143(12): 121016.

Paper No: GTP-21-1296

DOI: https://doi.org/10.1115/1.4051916

Published Online: October 12, 2021

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Topics: Dampers, Flow (Dynamics), Leakage, Pressure, Two-phase flow, Computational fluid dynamics, Blades, Cavities, Rotors, Clearances (Engineering)

Journal Articles

Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow

Min Zhang, Dara W. Childs

J. Eng. Gas Turbines Power. November 2021, 143(11): 111007.

Paper No: GTP-21-1278

DOI: https://doi.org/10.1115/1.4051914

Published Online: September 27, 2021

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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pumps, Rotors, Stiffness, Stators, Fluids, Pressure drop, Laminar flow

Journal Articles

Investigating the Influence of Impeller Axial Thrust Balance Holes on the Flow and Overall Performance of a Cryogenic Liquid Turbine Expander

Changjiang Huo, Jinju Sun, Peng Song, Shan Sun

J. Eng. Gas Turbines Power. October 2021, 143(10): 101014.

Paper No: GTP-21-1128

DOI: https://doi.org/10.1115/1.4051501

Published Online: September 20, 2021

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Topics: Disks, Flow (Dynamics), Impellers, Thrust, Turbines, Leakage, Pressure, Friction

Journal Articles

Near Tip Loss Control With a Winglet Baffle Cavity Tip in a Turbine Cascade

Li Li, Dengyu Jiang, Chao Zhou, Hualing Luo, Weitao Hou, Qiyue Chang

J. Eng. Gas Turbines Power. October 2021, 143(10): 101007.

Paper No: GTP-20-1536

DOI: https://doi.org/10.1115/1.4050632

Published Online: August 9, 2021

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Topics: Cascades (Fluid dynamics), Cavities, Computational fluid dynamics, Flow (Dynamics), Leakage, Pressure, Vortices, Blades, Leakage flows, Suction

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

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)

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Journal citation

NARROW

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

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

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

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

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

A Stepped Shaft Labyrinth Seal Verses A Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

Performance Investigation of a Bladeless Air Compressor

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

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

Experimental Investigation on Leakage Characteristics of Low-Hysteresis Brush Seals

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

Experimental Characterization of Losses in Bladeless Turbine Prototype

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

An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?

Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow

Investigating the Influence of Impeller Axial Thrust Balance Holes on the Flow and Overall Performance of a Cryogenic Liquid Turbine Expander

Near Tip Loss Control With a Winglet Baffle Cavity Tip in a Turbine Cascade

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

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

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