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Journal Articles

Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

Joshua Bird, Patrick S. Keogh, Carl M. Sangan, Aaron A. Bowsher, Peter F. Crudgington, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061006.
Paper No: GTP-24-1607
https://doi.org/10.1115/1.4066711
Published Online: November 22, 2024
View Article titled, Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry
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Topics: Damping, Excitation, Leakage, Pressure, Stiffness, Rotors, Pressure drop, Test facilities, Geometry
Journal Articles

On Leakage Flows in a Liquid Hydrogen Multistage Pump for Aircraft Engine Applications

Dimitrios Lamprakis, David John Rajendran, Mani Santhanakrishnan, Seyfettin Coskun, Ioannis Roumeliotis, Vassilios Pachidis, Martin Yates
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051015.
Paper No: GTP-24-1544
https://doi.org/10.1115/1.4066827
Published Online: November 22, 2024
View Article titled, On Leakage Flows in a Liquid Hydrogen Multistage Pump for Aircraft Engine Applications
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Topics: Design, Flow (Dynamics), Hydrogen, Impellers, Leakage flows, Pumps, Leakage
Journal Articles

Development of Large-Diameter Hybrid Film-Riding Seals for Supercritical Carbon Dioxide Turbines

Rahul A. Bidkar, Uttara Kumar, Deepak Trivedi, Xiaohua Zhang, Collin Rambacher, Aaron Rimpel, Thomas Kerr, Jeremy Johnson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021031.
Paper No: GTP-24-1409
https://doi.org/10.1115/1.4067180
Published Online: November 20, 2024
View Article titled, Development of Large-Diameter Hybrid Film-Riding Seals for Supercritical Carbon Dioxide Turbines
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Topics: Bearings, Design, Film thickness, Fluids, Leakage, Pressure, Rotors, Supercritical carbon dioxide, Temperature, Turbines
Journal Articles

Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals

Joshua P. Bowen, Aaron A. Bowsher, Peter F. Crudgington, Sam Bull, Carl M. Sangan, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051012.
Paper No: GTP-24-1597
https://doi.org/10.1115/1.4066608
Published Online: November 14, 2024
View Article titled, Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals
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Topics: Clearances (Engineering), Deflection, Pressure, Leakage
Journal Articles

Experimental Characterization of a Bladeless Air Compressor

Ravi Nath Tiwari, Federico Reggio, Mario Luigi Ferrari, Ward De Paepe, Alberto Traverso
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041020.
Paper No: GTP-24-1518
https://doi.org/10.1115/1.4066732
Published Online: November 5, 2024
View Article titled, Experimental Characterization of a Bladeless Air Compressor
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Topics: Compressors, Computational fluid dynamics, Disks, Pressure, Rotors, Flow (Dynamics), Design, Leakage, Engineering prototypes
Journal Articles

Aerodynamic Feasibility Investigation of the Novel Experimental Rig on Turbine Blade Tip With High Relative Motion

X. Peng, H. Jiang, S. Lu, Z. Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041001.
Paper No: GTP-24-1203
https://doi.org/10.1115/1.4066534
Published Online: October 15, 2024
View Article titled, Aerodynamic Feasibility Investigation of the Novel Experimental Rig on Turbine Blade Tip With High Relative Motion
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Topics: Blades, Computational fluid dynamics, Design, Disks, Flow (Dynamics), Leakage, Mach number, Pressure, Rotors, Chords (Trusses)
Journal Articles

Experimental Investigations on Carbon Segmented Seals With Smooth and Pocketed Pads

Accepted Manuscript
Pascal Jolly, Mihai Arghir, Hidetoshi Kasahara, Wataru Kimura
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1642
https://doi.org/10.1115/1.4066788
Published Online: October 4, 2024
View Article titled, Experimental Investigations on Carbon Segmented Seals With Smooth and Pocketed Pads
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Topics: Carbon, Friction, Torque, Rotors, Leakage, Carbon fibers, Flow (Dynamics), Fluids, Leakage flows, Pressure
Journal Articles

Optimization of Smooth Straight-Through Labyrinth Seal Based on XGBoost and Improved Genetic Algorithm

Hao Liu, Guoqing Li, Chenyang Kang, Yunhong Ruan, Ruofan Wang, Xingen Lu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031007.
Paper No: GTP-24-1504
https://doi.org/10.1115/1.4066357
Published Online: October 3, 2024
View Article titled, Optimization of Smooth Straight-Through Labyrinth Seal Based on XGBoost and Improved Genetic Algorithm
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Topics: Leakage, Optimization, Genetic algorithms, Pressure
Journal Articles

Experimental Investigation on Leakage and Frictional Heat Generation Characteristics of Low Hysteresis Brush Seals

Pengfei Li, Yaping Hu, Yuhang Hou, Honghu Ji
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021002.
Paper No: GTP-24-1095
https://doi.org/10.1115/1.4066347
Published Online: September 26, 2024
View Article titled, Experimental Investigation on Leakage and Frictional Heat Generation Characteristics of Low Hysteresis Brush Seals
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Topics: Heat, Leakage, Pressure, Rotors, Temperature
Journal Articles

Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011005.
Paper No: GTP-24-1148
https://doi.org/10.1115/1.4066287
Published Online: September 13, 2024
View Article titled, Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal
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Topics: Cavities, Computer simulation, Dampers, Damping, Design, Fluids, Leakage, Leakage flows, Numerical analysis, Rotors
Journal Articles

Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime

Seung Hyeop Hyun, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091019.
Paper No: GTP-24-1015
https://doi.org/10.1115/1.4064805
Published Online: April 4, 2024
View Article titled, Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime
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Topics: Damping, Flow (Dynamics), Pressure, Reynolds number, Rotors, Stiffness, Leakage
Journal Articles

Numerical and Experimental Study on the Influence of Honeycomb Bushing Wear on the Leakage Flow Characteristics of Labyrinth Seal

Wenfeng Xu, Zeming Wang, Dan Sun, Guozhe Ren, Yu Li, Dezheng Lu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081021.
Paper No: GTP-23-1477
https://doi.org/10.1115/1.4064824
Published Online: April 4, 2024
View Article titled, Numerical and Experimental Study on the Influence of Honeycomb Bushing Wear on the Leakage Flow Characteristics of Labyrinth Seal
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Topics: Bushings, Honeycomb structures, Leakage, Pressure, Wear, Clearances (Engineering)
Journal Articles

Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals

Joshua P. Bowen, Joshua J. Bird, Harry Cross, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061001.
Paper No: GTP-23-1369
https://doi.org/10.1115/1.4063775
Published Online: December 26, 2023
View Article titled, Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals
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Topics: Pressure, Leakage, Test facilities
Journal Articles

Characterization of High-Pressure Hydrogen Leakages

Davide Cerbarano, Lorenzo Tieghi, Giovanni Delibra, Ermanno Lo Schiavo, Stefano Minotti, Alessandro Corsini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051019.
Paper No: GTP-23-1331
https://doi.org/10.1115/1.4063830
Published Online: December 26, 2023
View Article titled, Characterization of High-Pressure Hydrogen Leakages
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Topics: Cross-flow, Fuels, Hydrogen, Jets, Leakage, Methane, Ventilation, Pressure, Safety, High pressure (Physics)
Journal Articles

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas

Jose Torres, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031016.
Paper No: GTP-23-1407
https://doi.org/10.1115/1.4063551
Published Online: November 28, 2023
View Article titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
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Topics: Dampers, Damping, Leakage, Pressure, Wireless power transfer, Clearances (Engineering), Stiffness, Flow (Dynamics), Uncertainty, Cavities
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

Jing Yang, Dung L. Tran, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111012.
Paper No: GTP-23-1307
https://doi.org/10.1115/1.4063309
Published Online: September 29, 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
Open the PDF for 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 in another window
Topics: Computational fluid dynamics, Flow (Dynamics), Stiffness, Damping, Leakage, Clearances (Engineering), Pressure
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
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
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