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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

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

Investigations On the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser At Different Swirl Angles

Yuxuan Dong, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power.

Paper No: GTP-22-1486

DOI: https://doi.org/10.1115/1.4056428

Published Online: December 7, 2022

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Topics: Diffusers, Exhaust systems, Gas turbines, Pressure, Flow (Dynamics), Numerical analysis, Reliability, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Struts (Engineering)

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

Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity

Wensong Xue, Zhi Fang, Zhigang Li, Jun Li

J. Eng. Gas Turbines Power. May 2022, 144(5): 051017.

Paper No: GTP-21-1639

DOI: https://doi.org/10.1115/1.4053706

Published Online: February 21, 2022

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Topics: Brakes, Cavities, Damping, Design, Numerical analysis, Rotors, Stiffness, Whirls, Fluids, Pressure

Journal Articles

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Daniel L. Gillaugh

J. Eng. Gas Turbines Power. March 2022, 144(3): 031006.

Paper No: GTP-21-1487

DOI: https://doi.org/10.1115/1.4052427

Published Online: December 7, 2021

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Topics: Algorithms, Density, Errors, Finite element model, Geometry, Numerical analysis, Storage, Stiffness, Parallel processing

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

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

Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems

Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Laurent Descamps, Julian Girardeau, Matthieu Simon

J. Eng. Gas Turbines Power. February 2021, 143(2): 021018.

Paper No: GTP-20-1564

DOI: https://doi.org/10.1115/1.4049354

Published Online: January 28, 2021

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Topics: Clearances (Engineering), Computational fluid dynamics, Design, Flow (Dynamics), Heat conduction, Heat transfer, Jets, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations

Journal Articles

Influence of Annular/Pocket Groove on the Static and Rotordynamic Characteristics of Hole-Pattern Seals

Zhigang Li, Zhi Fang, Jun Li

J. Eng. Gas Turbines Power. June 2020, 142(6): 061013.

Paper No: GTP-20-1024

DOI: https://doi.org/10.1115/1.4047183

Published Online: May 29, 2020

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Topics: Damping, Leakage, Rotors, Stators, Stiffness, Fluids, Whirls, Clearances (Engineering), Numerical analysis

Journal Articles

Numerical Analysis of Equivalence Ratio Fluctuations in a Partially Premixed Gas Turbine Combustor Using Large Eddy Simulations

Ping Wang, Qian Yu, Prashant Shrotriya, Mingmin Chen

J. Eng. Gas Turbines Power. April 2019, 141(4): 041010.

Paper No: GTP-18-1244

DOI: https://doi.org/10.1115/1.4041656

Published Online: November 16, 2018

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Topics: Combustion, Combustion chambers, Flames, Flow (Dynamics), Fluctuations (Physics), Large eddy simulation, Methane, Temperature, Gas turbines, Turbulence

Journal Articles

Design and Numerical Analysis of a Vane Shaped Receiver Hole in a Cover-Plate Preswirl System

Yuxin Liu, Gaowen Liu, Xiaozhi Kong, Yangang Wang

J. Eng. Gas Turbines Power. April 2019, 141(4): 041001.

Paper No: GTP-18-1099

DOI: https://doi.org/10.1115/1.4041628

Published Online: November 1, 2018

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Topics: Cooling, Design, Flow (Dynamics), Nozzles, Pressure, Temperature, Discharge coefficient, Cavities, Numerical analysis, Computer simulation

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

Journal Articles

Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

Diogo B. Pitz, John W. Chew, Olaf Marxen, Nicholas J. Hills

J. Eng. Gas Turbines Power. July 2017, 139(7): 072602.

Paper No: GTP-16-1411

DOI: https://doi.org/10.1115/1.4035593

Published Online: February 14, 2017

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Topics: Approximation, Buoyancy, Cavities, Flow (Dynamics), Rotors, Stators, Reynolds number, Annulus, Disks, Rayleigh number

Journal Articles

A Numerical Simulation of Analysis of Backfiring Phenomena in a Hydrogen-Fueled Spark Ignition Engine

K. A. Subramanian, B. L. Salvi

J. Eng. Gas Turbines Power. October 2016, 138(10): 102811.

Paper No: GTP-16-1067

DOI: https://doi.org/10.1115/1.4033182

Published Online: April 26, 2016

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Topics: Combustion, Cylinders, Engines, Flames, Flow (Dynamics), Hydrogen, Hydrogen fuels, Intake manifolds, Pressure, Spark-ignition engine

Journal Articles

Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl

Zhigang Li, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. April 2016, 138(4): 042505.

Paper No: GTP-15-1398

DOI: https://doi.org/10.1115/1.4031545

Published Online: October 21, 2015

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Topics: Computational fluid dynamics, Dampers, Damping, Rotors, Stiffness, Transients (Dynamics), Whirls, Leakage flows, Pressure, Excitation

Journal Articles

Effect of Bending and Mushrooming Damages on Heat Transfer Characteristic in Labyrinth Seals

Xin Yan, Lijie Lei, Jun Li, Zhenping Feng

J. Eng. Gas Turbines Power. April 2014, 136(4): 041901.

Paper No: GTP-13-1371

DOI: https://doi.org/10.1115/1.4025899

Published Online: December 10, 2013

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Topics: Damage, Design, Heat transfer, Rotors, Stators, Turbulence, Numerical analysis, Flow (Dynamics), Sealing (Process), Temperature

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Journal citation

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Manuscript

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

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

Investigations On the Splitter Structure to Improve the Aerodynamic Performance of Gas Turbine Exhaust Diffuser At Different Swirl Angles

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

Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

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

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

Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems

Influence of Annular/Pocket Groove on the Static and Rotordynamic Characteristics of Hole-Pattern Seals

Numerical Analysis of Equivalence Ratio Fluctuations in a Partially Premixed Gas Turbine Combustor Using Large Eddy Simulations

Design and Numerical Analysis of a Vane Shaped Receiver Hole in a Cover-Plate Preswirl System

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

Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

A Numerical Simulation of Analysis of Backfiring Phenomena in a Hydrogen-Fueled Spark Ignition Engine

Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl

Effect of Bending and Mushrooming Damages on Heat Transfer Characteristic in Labyrinth Seals

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