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Journal Articles

Effect of Centrifugal Force of Gas Film On the Load Capacity of Thrust Gas Bearing

Accepted Manuscript
Daejong Kim
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1362
https://doi.org/10.1115/1.4063319
Published Online: August 1, 2023
View Article titled, Effect of Centrifugal Force of Gas Film On the Load Capacity of Thrust Gas Bearing
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Topics: Centrifugal force, Gas bearings, Stress, Thrust, Temperature, Pressure, Thrust bearings, Engineering simulation, Simulation, Bearings
Journal Articles

Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated with a Low Supply Pressure and a Simple Method to Quantify Air Ingestion

Accepted Manuscript
Bryan Rodríguez, Luis San Andres
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1377
https://doi.org/10.1115/1.4063320
Published Online: August 1, 2023
View Article titled, Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated with a Low Supply Pressure and a Simple Method to Quantify Air Ingestion
Open the PDF for Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated with a Low Supply Pressure and a Simple Method to Quantify Air Ingestion in another window
Topics: Dampers, Pressure, Seals, Air-breathing engines, Aircraft engines, Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Lubricants
Journal Articles

Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating with a Liquid in Air Mixture

Accepted Manuscript
Jing Yang, Dung Tran, Luis San Andres
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1307
https://doi.org/10.1115/1.4063309
Published Online: August 1, 2023
View Article titled, Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating with a Liquid in Air Mixture
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Topics: Computational fluid dynamics, Stiffness, Clearances (Engineering), Flow (Dynamics), Compressors, Damping, Corners (Structural elements), Gases, Geometry, Leakage
Journal Articles

Effects of High Rotational Speed on Leakage and Windage Heating of Staggered Labyrinth Seals With Smooth and Honeycomb Lands

Hao Liu, Guoqing Li, Ang Li, Shen Zhang, Hui Li, Xingen Lu
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2023, 145(8): 081005.
Paper No: GTP-22-1676
https://doi.org/10.1115/1.4062480
Published Online: July 19, 2023
View Article titled, Effects of High Rotational Speed on Leakage and Windage Heating of Staggered Labyrinth Seals With Smooth and Honeycomb Lands
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Topics: Heating, Honeycomb structures, Leakage, Pressure, Temperature, Leakage flows
Journal Articles

Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091001.
Paper No: GTP-23-1014
https://doi.org/10.1115/1.4062560
Published Online: July 19, 2023
View Article titled, Computational Fluid Dynamics Prediction of Rotordynamic Coefficients for Grooved Seals: Model and Numerical Sensitivity
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Topics: Computational fluid dynamics, Flow (Dynamics), Geometry, Leakage, Modeling, Pressure, Rotors, Stiffness, Uncertainty, Whirls
Journal Articles

Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals

Erwan Fourt, Mihai Arghir, Pascal Jolly, Mohamed Andasmas
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091005.
Paper No: GTP-23-1163
https://doi.org/10.1115/1.4062692
Published Online: July 19, 2023
View Article titled, Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals
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Topics: Leakage, Leakage flows, Pressure, Rotors, Temperature, Torque, Clearances (Engineering), Friction, Experimental analysis, Flow (Dynamics)
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
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
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.
Paper No: GTP-22-1478
https://doi.org/10.1115/1.4056347
Published Online: January 10, 2023
View Article titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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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
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
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
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031005.
Paper No: GTP-22-1435
https://doi.org/10.1115/1.4055638
Published Online: December 5, 2022
View Article titled, Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011011.
Paper No: GTP-22-1145
https://doi.org/10.1115/1.4055787
Published Online: October 20, 2022
View Article titled, Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011006.
Paper No: GTP-22-1390
https://doi.org/10.1115/1.4055665
Published Online: October 19, 2022
View Article titled, A Stepped Shaft Labyrinth Seal Verses A Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111021.
Paper No: GTP-22-1349
https://doi.org/10.1115/1.4055412
Published Online: September 28, 2022
View Article titled, Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models
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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
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
https://doi.org/10.1115/1.4054945
Published Online: August 16, 2022
View Article titled, Performance Investigation of a Bladeless Air Compressor
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Topics: Compressors, Diffusers, Disks, Flow (Dynamics), Pressure, Rotors, Design, Numerical analysis, Leakage, Engineering prototypes
Journal Articles

Experimental Investigation on Leakage Characteristics of Low-Hysteresis Brush Seals

Pengfei Li, Yaping Hu, Honghu Ji, Xuechao Cui, Lei Liu, Shiming Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071010.
Paper No: GTP-22-1025
https://doi.org/10.1115/1.4054406
Published Online: May 20, 2022
View Article titled, Experimental Investigation on Leakage Characteristics of Low-Hysteresis Brush Seals
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Topics: Cycles, Leakage, Pressure, Rotors
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
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
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071004.
Paper No: GTP-21-1605
https://doi.org/10.1115/1.4054371
Published Online: May 20, 2022
View Article titled, Leakage Characteristics of a Novel Hole-Pattern Damping Seal With Dovetail-Like Diversion Grooves: Numerical Simulation and Experiment
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061006.
Paper No: GTP-21-1690
https://doi.org/10.1115/1.4053965
Published Online: March 21, 2022
View Article titled, Experimental Investigations Into the Effect of Surface Roughness and Contact Force on Leakage Between Two Rigid Metallic Surfaces
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041009.
Paper No: GTP-21-1519
https://doi.org/10.1115/1.4053117
Published Online: January 21, 2022
View Article titled, Experimental Characterization of Losses in Bladeless Turbine Prototype
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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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2022, 144(1): 011028.
Paper No: GTP-21-1430
https://doi.org/10.1115/1.4052267
Published Online: December 3, 2021
View Article titled, Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method
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Topics: Cavities, Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Leakage flows, Pressure, Rotors, Sealing (Process), Stiffness