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Journal Articles

Inlet Preswirl Effects on the Leakage and Dynamic Characteristics of a Labyrinth Seal: Experimental Results and Computational Fluid Dynamics Analysis

Accepted Manuscript
Tianhao Wang, Wensong Xue, Zihan Zhang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1824
https://doi.org/10.1115/1.4068428
Published Online: April 11, 2025
View Articletitled, Inlet Preswirl Effects on the Leakage and Dynamic Characteristics of a Labyrinth Seal: Experimental Results and Computational Fluid Dynamics Analysis
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Topics: Computational fluid dynamics, Leakage, Rotors, Damping, Pressure, Clearances (Engineering), Errors, Flow (Dynamics), Instrumentation, Measurement uncertainty
Journal Articles

Modeling of Frictional Interbristle Contact in Brush Seals With Shaft Radial Movements

H. M. Phan, M. J. Pekris, J. W. Chew, T. J. Greenslade
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2025, 147(9): 091015.
Paper No: GTP-24-1708
https://doi.org/10.1115/1.4067268
Published Online: January 29, 2025
View Articletitled, Modeling of Frictional Interbristle Contact in Brush Seals With Shaft Radial Movements
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Topics: Clearances (Engineering), Friction, Modeling, Pressure, Computer simulation, Algorithms
Journal Articles

Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA

Christoph Brandstetter, Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081010.
Paper No: GTP-24-1707
https://doi.org/10.1115/1.4067221
Published Online: January 20, 2025
View Articletitled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Blades, Vibration, Clearances (Engineering), Rotors, Manufacturing, Flow (Dynamics)
Journal Articles

Comprehensive Experimental Assessment of Unsteady Pressure and Heat Flux in a Small-Core Turbine Over-Tip Shroud

Antonio Castillo Sauca, Lakshya Bhatnagar, Lukas Benjamin Inhestern, Guillermo Paniagua Perez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071001.
Paper No: GTP-24-1567
https://doi.org/10.1115/1.4067019
Published Online: December 23, 2024
View Articletitled, Comprehensive Experimental Assessment of Unsteady Pressure and Heat Flux in a Small-Core Turbine Over-Tip Shroud
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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Heat flux, Pressure, Signals, Turbines
Journal Articles

Effect of Piston Ring Grooves on the Radial and Tangential Forces of a Squeeze Film Damper

Emanuele Giampaolo, Mihai Arghir, Hugo Festjens
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081005.
Paper No: GTP-24-1623
https://doi.org/10.1115/1.4067162
Published Online: December 23, 2024
View Articletitled, Effect of Piston Ring Grooves on the Radial and Tangential Forces of a Squeeze Film Damper
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Topics: Clearances (Engineering), Computational fluid dynamics, Dampers, Flow (Dynamics), Piston rings, Pressure, Damping, Cavitation, Thin films, Rotors
Journal Articles

Non-Synchronous Vibration: Characterization of the Aerodynamic Disturbance and Its Dependency on Local Tip Clearance

Pierre Tharreau, Magnus Hardy-Falch, Sina Stapelfeldt, Christoph Brandstetter
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051029.
Paper No: GTP-24-1662
https://doi.org/10.1115/1.4067215
Published Online: December 20, 2024
View Articletitled, Non-Synchronous Vibration: Characterization of the Aerodynamic Disturbance and Its Dependency on Local Tip Clearance
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Topics: Blades, Clearances (Engineering), Pressure, Simulation, Vibration, Flow (Dynamics), Rotors
Journal Articles

On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals

Simon Vella, Hui Tang, Mauro Carnevale, James A. Scobie, Gary D. Lock, Francesco Salvatori, Carl M. Sangan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041031.
Paper No: GTP-24-1653
https://doi.org/10.1115/1.4066997
Published Online: December 11, 2024
View Articletitled, On the Relationship Between Swirl and Unsteadiness Within Turbine Rim Seals
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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Geometry, Rotors, Sealing (Process), Stators, Turbines, Wheels, Pressure
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 Articletitled, 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 Articletitled, Tracking of Bristle Tip Deflections to Demonstrate Blow-Down in Brush Seals
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Topics: Clearances (Engineering), Deflection, Pressure, Leakage
Journal Articles

Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine

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. February 2025, 147(2): 021005.
Paper No: GTP-24-1370
https://doi.org/10.1115/1.4066295
Published Online: September 26, 2024
View Articletitled, Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine
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Topics: Brakes, Dampers, Damping, Fluids, Rotors, Steam turbines, Stiffness, Whirls, Cavities, Pressure
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 Articletitled, 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

Prediction and Analysis of Transient Turbine Tip Clearance Using Long Short-Term Memory Neural Network

Yue Yang, Junkui Mao, Pingting Chen, Naxian Guo, Feilong Wang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101011.
Paper No: GTP-23-1585
https://doi.org/10.1115/1.4065364
Published Online: May 13, 2024
View Articletitled, Prediction and Analysis of Transient Turbine Tip Clearance Using Long Short-Term Memory Neural Network
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Topics: Clearances (Engineering), Transients (Dynamics), Cooling, Deformation
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 Articletitled, 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

Effect of Rim Seal Geometry on Rotationally-Driven Ingestion

Shaun Burden, John W. Chew, Feng Gao, Olaf Marxen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091013.
Paper No: GTP-24-1012
https://doi.org/10.1115/1.4064730
Published Online: March 20, 2024
View Articletitled, Effect of Rim Seal Geometry on Rotationally-Driven Ingestion
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Topics: Clearances (Engineering), Flow (Dynamics), Geometry, Modeling, Sealing (Process), Turbulence, Computational fluid dynamics, Cavities, Large eddy simulation, Turbines
Journal Articles

Numerical Analysis of Unsteady Phenomena in a Contra-Rotating Stage Based on the Reduction of Local Entropy Production

Xingyu Jia, Xi Zhang, Qiushuang Yan, Zicheng Zhao
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091005.
Paper No: GTP-23-1549
https://doi.org/10.1115/1.4064557
Published Online: March 11, 2024
View Articletitled, Numerical Analysis of Unsteady Phenomena in a Contra-Rotating Stage Based on the Reduction of Local Entropy Production
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Topics: Blades, Boundary layers, Clearances (Engineering), Entropy, Flow (Dynamics), Vortices, Turbulence, Optimization, Vorticity, Pressure
Journal Articles

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

Bugra Ertas, Keith Gary, Tom Adcock
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061008.
Paper No: GTP-23-1425
https://doi.org/10.1115/1.4063781
Published Online: January 4, 2024
View Articletitled, Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel
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Topics: Bearings, Dampers, Damping, Design, Fluid structure interaction, Secondary cells, Stiffness, Additive manufacturing, Flow (Dynamics), Vibration
Journal Articles

Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine

Antonio Castillo Sauca, Guillermo Paniagua
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061016.
Paper No: GTP-23-1462
https://doi.org/10.1115/1.4063886
Published Online: January 4, 2024
View Articletitled, Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine
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Topics: Blades, Calibration, Capacitance, Clearances (Engineering), Probes, Signals, Heat flux, Turbines, Pressure
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 Articletitled, 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

Preliminary Wear Investigations With Pressure Actuated Leaf Seals for Superheated Steam Turbine Application

Andreas Wittenberg, Tobias Rühle, Johannes Greving, Florian Wichern, Jens Friedrichs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031019.
Paper No: GTP-23-1440
https://doi.org/10.1115/1.4063587
Published Online: November 28, 2023
View Articletitled, Preliminary Wear Investigations With Pressure Actuated Leaf Seals for Superheated Steam Turbine Application
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Topics: Pressure, Wear, Clearances (Engineering)
Journal Articles

Dynamic Characterization of an Adaptive Film-Riding Seal

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. January 2024, 146(1): 011017.
Paper No: GTP-23-1368
https://doi.org/10.1115/1.4063549
Published Online: November 21, 2023
View Articletitled, Dynamic Characterization of an Adaptive Film-Riding Seal
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Topics: Clearances (Engineering), Computer simulation, Damping, Fluid films, Pressure, Rotors, Stiffness, Modeling, Displacement, Pressure drop