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Journal Articles

A Design Approach of A Dedicated EGR-System For A Naturally Aspirated Gas Engine - From 1D Engine Process Simulation and Design of Experiments Up To The Experimental Validation

Accepted Manuscript
Youssef Beltaifa, Maurice Kettner, Peter Eilts, Bosse Ruchel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1092
DOI: https://doi.org/10.1115/1.4062508
Published Online: May 10, 2023
View Article titled, A Design Approach of A Dedicated EGR-System For A Naturally Aspirated Gas Engine - From 1D Engine Process Simulation and Design of Experiments Up To The Experimental Validation
Click here to open pdf in another window PDF for A Design Approach of A Dedicated EGR-System For A Naturally Aspirated Gas Engine - From 1D Engine Process Simulation and Design of Experiments Up To The Experimental Validation
Topics: Design, Engines, Exhaust gas recirculation, Experimental design, Process simulation, Cylinders, Exhaust systems, Combustion, Computational fluid dynamics, Dimensions
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
Click here to open pdf in another window PDF for Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, 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
Click here to open pdf in another window PDF for 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
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
Click here to open pdf in another window PDF for A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
Topics: Damping, Impellers, Leakage, Oxygen, Rotors, Sealing (Process), Stators, Stiffness, Stress, Whirls
Journal Articles

Performance Investigation of a Bladeless Air Compressor

Ravi Nath Tiwari, Federico Reggio, Avinash Renuke, Matteo Pascenti, Alberto Traverso, Mario Luigi Ferrari
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Performance Investigation of a Bladeless Air Compressor
Click here to open pdf in another window PDF for Performance Investigation of a Bladeless Air Compressor
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery
Click here to open pdf in another window PDF for Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity
Click here to open pdf in another window PDF for Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models
Click here to open pdf in another window PDF for Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Near Tip Loss Control With a Winglet Baffle Cavity Tip in a Turbine Cascade
Click here to open pdf in another window PDF for Near Tip Loss Control With a Winglet Baffle Cavity Tip in a Turbine Cascade
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery
Click here to open pdf in another window PDF for Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Static and Rotordynamic Characteristics for Two Types of Novel Mixed Liquid Damper Seals With Hole-Pattern/Pocket-Textured Stator and Helically Grooved Rotor
Click here to open pdf in another window PDF for Static and Rotordynamic Characteristics for Two Types of Novel Mixed Liquid Damper Seals With Hole-Pattern/Pocket-Textured Stator and Helically Grooved Rotor
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems
Click here to open pdf in another window PDF for Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Influence of Annular/Pocket Groove on the Static and Rotordynamic Characteristics of Hole-Pattern Seals
Click here to open pdf in another window PDF for Influence of Annular/Pocket Groove on the Static and Rotordynamic Characteristics of Hole-Pattern Seals
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Numerical Analysis of Equivalence Ratio Fluctuations in a Partially Premixed Gas Turbine Combustor Using Large Eddy Simulations
Click here to open pdf in another window PDF for Numerical Analysis of Equivalence Ratio Fluctuations in a Partially Premixed Gas Turbine Combustor Using Large Eddy Simulations
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Design and Numerical Analysis of a Vane Shaped Receiver Hole in a Cover-Plate Preswirl System
Click here to open pdf in another window PDF for Design and Numerical Analysis of a Vane Shaped Receiver Hole in a Cover-Plate Preswirl System
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions
Click here to open pdf in another window PDF for Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method
Click here to open pdf in another window PDF for Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, A Numerical Simulation of Analysis of Backfiring Phenomena in a Hydrogen-Fueled Spark Ignition Engine
Click here to open pdf in another window PDF for A Numerical Simulation of Analysis of Backfiring Phenomena in a Hydrogen-Fueled Spark Ignition Engine
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
Click here to open pdf in another window PDF for Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Effect of Bending and Mushrooming Damages on Heat Transfer Characteristic in Labyrinth Seals
Click here to open pdf in another window PDF for Effect of Bending and Mushrooming Damages on Heat Transfer Characteristic in Labyrinth Seals
Topics: Damage, Design, Heat transfer, Rotors, Stators, Turbulence, Numerical analysis, Flow (Dynamics), Sealing (Process), Temperature