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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

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

Robustness Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip

Ming Huang, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. July 2022, 144(7): 071011.

Paper No: GTP-22-1029

DOI: https://doi.org/10.1115/1.4054377

Published Online: May 20, 2022

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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Leakage flows, Temperature, Turbine blades, Uncertainty, Uncertainty quantification, Heat transfer, Polynomials

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

Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells

Nitya Kamdar, Fangyuan Lou, Nicole L. Key

J. Eng. Gas Turbines Power. January 2022, 144(1): 011027.

Paper No: GTP-21-1334

DOI: https://doi.org/10.1115/1.4051958

Published Online: November 2, 2021

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Topics: Cavities, Flow (Dynamics), Leakage flows, Stators, Wells, Clearances (Engineering), Compressors, Temperature, Rotors, Cavity flows

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 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

Experimental and Numerical Investigations on the Leakage Flow Characteristics of Helical-Labyrinth-Brush Seals

Yuanqiao Zhang, Jun Li, Dengqian Ma, Yuan He, Jingjin Ji, Bo Sun, Zhigang Li, Xin Yan

J. Eng. Gas Turbines Power. April 2021, 143(4): 041023.

Paper No: GTP-20-1077

DOI: https://doi.org/10.1115/1.4048842

Published Online: March 10, 2021

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Topics: Cavities, Clearances (Engineering), Computational fluid dynamics, Flow (Dynamics), Leakage, Leakage flows, Porous materials, Pressure, Rotors, Pressure drop

Journal Articles

Tip Leakage Flow Instability in a Centrifugal Compressor

Teng Cao, Tadashi Kanzaka, Liping Xu, Tobias Brandvik

J. Eng. Gas Turbines Power. April 2021, 143(4): 041012.

Paper No: GTP-20-1668

DOI: https://doi.org/10.1115/1.4049821

Published Online: February 26, 2021

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Topics: Blades, Compressors, Flow (Dynamics), Impellers, Leakage flows, Pressure, Computational fluid dynamics, Vortices

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

A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

Zhigang Li, Zhi Fang, Jun Li

J. Eng. Gas Turbines Power. September 2020, 142(9): 091012.

Paper No: GTP-20-1025

DOI: https://doi.org/10.1115/1.4048144

Published Online: August 31, 2020

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Topics: Damping, Pressure drop, Rotors, Stiffness, Whirls, Leakage flows, Fluids, Stators, Transients (Dynamics), Drag (Fluid dynamics)

Journal Articles

Numerical Comparison of Leakage Flow and Rotordynamic Characteristics for Two Types of Labyrinth Seals With Baffles

Yuanqiao Zhang, Jun Li, Zhigang Li, Xin Yan

J. Eng. Gas Turbines Power. September 2020, 142(9): 091008.

Paper No: GTP-20-1158

DOI: https://doi.org/10.1115/1.4048053

Published Online: August 26, 2020

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Topics: Damping, Leakage flows, Pressure, Rotors, Stiffness, Whirls, Oscillating frequencies, Cavities, Flow (Dynamics)

Journal Articles

Effects of Double-Side Labyrinth Seals on Aerodynamic Performance in a Transonic Shrouded Turbine Stage

Weihang Li, Shaowen Chen, Hongyan Liu, Zhihua Zhou, Songtao Wang

J. Eng. Gas Turbines Power. February 2020, 142(2): 021010.

Paper No: GTP-19-1158

DOI: https://doi.org/10.1115/1.4045182

Published Online: January 13, 2020

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Topics: Cavities, Clearances (Engineering), Flow (Dynamics), Leakage, Leakage flows, Rotors, Turbines, Blades, Sealing (Process)

Journal Articles

Nonaxisymmetric Study of Tip Leakage Flow in a Centrifugal Compressor With a Volute During Stall Process

Ce Yang, Botai Su, Li Fu, Hang Zhang

J. Eng. Gas Turbines Power. December 2019, 141(12): 121022.

Paper No: GTP-19-1145

DOI: https://doi.org/10.1115/1.4044687

Published Online: November 20, 2019

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Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Impellers, Leakage flows, Pressure, Trajectories (Physics), Leakage

Journal Articles

Attempts on the Reduction of Leakage Flow Through the Stator Well in an Axial Compressor

Xiaozhi Kong, Yuxin Liu, Gaowen Liu, David M. Birch, Longxi Zheng

J. Eng. Gas Turbines Power. August 2019, 141(8): 082501.

Paper No: GTP-18-1098

DOI: https://doi.org/10.1115/1.4042651

Published Online: February 11, 2019

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Topics: Cavities, Compressors, Flow (Dynamics), Geometry, Leakage flows, Rotors, Stators, Impellers, Pressure

Journal Articles

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part II: Effect of Axial Distance Between a Swirl Breaker and a Rotor Shroud on Efficiency Improvement

Chongfei Duan, Hisataka Fukushima, Kiyoshi Segewa, Takanori Shibata, Hidetoshi Fujii

J. Eng. Gas Turbines Power. April 2019, 141(4): 041003.

Paper No: GTP-18-1560

DOI: https://doi.org/10.1115/1.4041648

Published Online: November 1, 2018

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Topics: Cavities, Computational fluid dynamics, Flow (Dynamics), Leakage flows, Rotors, Steam turbines, Turbines, Pressure, Design

Journal Articles

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part I: Design Concept and Typical Performance of a Swirl Breaker

Takanori Shibata, Hisataka Fukushima, Kiyoshi Segewa

J. Eng. Gas Turbines Power. April 2019, 141(4): 041002.

Paper No: GTP-18-1578

DOI: https://doi.org/10.1115/1.4041650

Published Online: November 1, 2018

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Topics: Blades, Cavities, Computational fluid dynamics, Design, Flow (Dynamics), Leakage flows, Rotors, Steam turbines, Turbines, Shapes

Journal Articles

Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions

Zhigang Li, Zhi Fang, Jun Li

J. Eng. Gas Turbines Power. March 2019, 141(3): 032504.

Paper No: GTP-18-1535

DOI: https://doi.org/10.1115/1.4041313

Published Online: October 4, 2018

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Topics: Compressors, Computational fluid dynamics, Dampers, Damping, Fluids, Leakage, Leakage flows, Oscillating frequencies, Pressure, Rotors

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Journal citation

NARROW

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

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

Robustness Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip

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

Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells

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 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

Experimental and Numerical Investigations on the Leakage Flow Characteristics of Helical-Labyrinth-Brush Seals

Tip Leakage Flow Instability in a Centrifugal Compressor

Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

Numerical Comparison of Leakage Flow and Rotordynamic Characteristics for Two Types of Labyrinth Seals With Baffles

Effects of Double-Side Labyrinth Seals on Aerodynamic Performance in a Transonic Shrouded Turbine Stage

Nonaxisymmetric Study of Tip Leakage Flow in a Centrifugal Compressor With a Volute During Stall Process

Attempts on the Reduction of Leakage Flow Through the Stator Well in an Axial Compressor

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part II: Effect of Axial Distance Between a Swirl Breaker and a Rotor Shroud on Efficiency Improvement

Improvement of Steam Turbine Stage Efficiency by Controlling Rotor Shroud Leakage Flows—Part I: Design Concept and Typical Performance of a Swirl Breaker

Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions

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