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Journal Articles

Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls

Agnese Firpo, Andrea Giuseppe Sanvito, Vincenzo Dossena, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041026.
Paper No: GTP-24-1600
https://doi.org/10.1115/1.4066708
Published Online: November 27, 2024
View Article titled, Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls
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Topics: Actuators, Additive manufacturing, Blades, Electromagnetic induction, Rotors, Surges, Stress, Turbines, Boundary element methods, Wakes
Journal Articles

Performance Optimization of an Axial Compressor Using a Novel Multi-Fidelity Surrogate Model Based on Flow Field Extraction

Accepted Manuscript
Yitong Liu, Wuqi Gong, Ya Li, Yitian Wang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1395
https://doi.org/10.1115/1.4067220
Published Online: November 22, 2024
View Article titled, Performance Optimization of an Axial Compressor Using a Novel Multi-Fidelity Surrogate Model Based on Flow Field Extraction
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Topics: Compressors, Flow (Dynamics), Optimization, Blades, Rotors, Construction, Design, Numerical analysis, Optimization algorithms, Pressure
Journal Articles

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

Accepted Manuscript
Christoph Brandstetter, Alexandra 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.
Paper No: GTP-24-1707
https://doi.org/10.1115/1.4067221
Published Online: November 22, 2024
View Article titled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Acoustics, Aerodynamics, Blades, Clearances (Engineering), Compressors, Convection, Engines, Fans, Flutter (Aerodynamics), Instrumentation
Journal Articles

A Computational Fluid Dynamics Study on the Performance of Modified H-Shaped VAWTs for Tilted Operation Condition

Otman Kouaissah, Nicoletta Franchina, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051017.
Paper No: GTP-24-1599
https://doi.org/10.1115/1.4066615
Published Online: November 22, 2024
View Article titled, A Computational Fluid Dynamics Study on the Performance of Modified H-Shaped VAWTs for Tilted Operation Condition
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Topics: Blades, Computational fluid dynamics, Rotors, Vertical axis wind turbines, Wakes, Turbines, Machinery, Design, Flow (Dynamics), Wind turbines
Journal Articles

Nonlinear Normal Modes-Related Isolated Branches of Subharmonic Solutions for Forced Response Blade-Tip/Casing Contact Problems

Thibaut Vadcard, Fabrice Thouverez, Alain Batailly
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051022.
Paper No: GTP-24-1613
https://doi.org/10.1115/1.4066713
Published Online: November 22, 2024
View Article titled, Nonlinear Normal Modes-Related Isolated Branches of Subharmonic Solutions for Forced Response Blade-Tip/Casing Contact Problems
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Topics: Blades, Excitation, Shapes, NASA, Rotors, Resonance
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

A Computational Study of Temperature-Driven Low Engine Order Forced Response in High Pressure Turbines

Alexander Trafford, Sina Stapelfeldt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051014.
Paper No: GTP-24-1543
https://doi.org/10.1115/1.4066825
Published Online: November 22, 2024
View Article titled, A Computational Study of Temperature-Driven Low Engine Order Forced Response in High Pressure Turbines
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Topics: Pressure, Temperature, Turbines, Rotors, Blades, Simulation, Engines
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

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

Accepted Manuscript
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.
Paper No: GTP-24-1623
https://doi.org/10.1115/1.4067162
Published Online: November 15, 2024
View Article titled, Effect of Piston Ring Grooves on the Radial and Tangential Forces of a Squeeze Film Damper
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Topics: Dampers, Piston rings, Computational fluid dynamics, Clearances (Engineering), Damping, Design, Dimensions, Dynamic stability, Engineering simulation, Flow (Dynamics)
Journal Articles

Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects

Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061001.
Paper No: GTP-24-1526
https://doi.org/10.1115/1.4066587
Published Online: November 14, 2024
View Article titled, Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects
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Topics: Blades, Flutter (Aerodynamics), Mach number, Pressure, Rotors, Vibration, Cycles, Damping, Design, Turbines
Journal Articles

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response

Óscar Pérez Escobar, Vicente Timón, Juan Manuel Gallardo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061003.
Paper No: GTP-24-1524
https://doi.org/10.1115/1.4066585
Published Online: November 14, 2024
View Article titled, Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response
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Topics: Airfoils, Electromagnetic scattering, Engines, Geometry, Manufacturing, Vibration, Rotors, Excitation, Design, Blades
Journal Articles

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part II: Rotational Speed Effects

Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061002.
Paper No: GTP-24-1534
https://doi.org/10.1115/1.4066584
Published Online: November 14, 2024
View Article titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part II: Rotational Speed Effects
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Topics: Blades, Flutter (Aerodynamics), Pressure, Rotors, Vibration, Damping, Turbines, Friction, Mach number, Bladed disks
Journal Articles

Numerical Analysis of a Two-Phase Turbine: A Comparative Study Between Barotropic and Mixture Models

Amit Kumar, Simone Parisi, Roberto Agromayor, Jens H. Walther, Fredrik Haglind
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2025, 147(5): 051013.
Paper No: GTP-24-1706
https://doi.org/10.1115/1.4066819
Published Online: November 14, 2024
View Article titled, Numerical Analysis of a Two-Phase Turbine: A Comparative Study Between Barotropic and Mixture Models
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Topics: Computational fluid dynamics, Flow (Dynamics), Nozzles, Pressure, Rotors, Simulation, Torque, Turbines, Blades, Fluids
Journal Articles

Study Of Tandem Rotor Dual Wake Interaction With Downstream Stator Under Unsteady Numerical Approach

Accepted Manuscript
Ajey Singh, Chetan Mistry
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1698
https://doi.org/10.1115/1.4067094
Published Online: November 9, 2024
View Article titled, Study Of Tandem Rotor Dual Wake Interaction With Downstream Stator Under Unsteady Numerical Approach
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Topics: Rotors, Stators, Wakes, Blades, Compressors, Design, Aircraft engines, Boundary layers, Computer simulation, Engineering simulation
Journal Articles

A Thermal Model for a Hybrid Gas Bearing System in Oil-Free Turbochargers

Wonbae Jung, Adolfo Delgado, Anthony Dudlo, Sang-Guk Kang, Chol-Bum M. Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041021.
Paper No: GTP-24-1519
https://doi.org/10.1115/1.4066588
Published Online: November 5, 2024
View Article titled, A Thermal Model for a Hybrid Gas Bearing System in Oil-Free Turbochargers
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Topics: Bearings, Gas bearings, Pressure, Rotors, Temperature, Turbochargers, Stress, Heat, Flow (Dynamics), Thermohydrodynamics
Journal Articles

Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements

Roman Kochurov, Volodymyr Martynenko, Leonid Moroz, Yuriy Govorushchenko
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041022.
Paper No: GTP-24-1520
https://doi.org/10.1115/1.4066613
Published Online: November 5, 2024
View Article titled, Ball Bearing Dynamic Stiffness Prediction Considering an Uncertain Position of Rolling Elements
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Topics: Ball bearings, Bearings, Rotors, Stiffness, Stress
Journal Articles

An Efficient Uncertainty Quantification Method Based on Inter-Blade Decoupling for Compressors

Yu Fu, Junying Wang, Dalin Shi, Kai Tang, Jiantong Zhao
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041016.
Paper No: GTP-24-1246
https://doi.org/10.1115/1.4066734
Published Online: November 5, 2024
View Article titled, An Efficient Uncertainty Quantification Method Based on Inter-Blade Decoupling for Compressors
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Topics: Blades, Compressors, Flow (Dynamics), Uncertainty, Uncertainty quantification, Rotors, Stators, Principal component analysis
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

Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

Howon Yi, Kyuman Kim, Hyunsung Jung, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021027.
Paper No: GTP-24-1501
https://doi.org/10.1115/1.4066539
Published Online: October 26, 2024
View Article titled, Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions
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Topics: Bearings, Rotors, Water, Fluids, Nitrogen
Journal Articles

The Effect of Air–Water Mixture on the Dynamic Response of a Hydrodynamic Journal Bearing With Inclined Grooves

Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2025, 147(4): 041013.
Paper No: GTP-24-1626
https://doi.org/10.1115/1.4066716
Published Online: October 26, 2024
View Article titled, The Effect of Air–Water Mixture on the Dynamic Response of a Hydrodynamic Journal Bearing With Inclined Grooves
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Topics: Journal bearings, Water, Stress, Pressure, Rotors