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Journal Articles

Dynamic Response of a Pivot-Mounted Squeeze Film Damper: Measurements and Predictions

Marie Kasprzyk, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071017.
Paper No: GTP-24-1735
https://doi.org/10.1115/1.4067336
Published Online: January 20, 2025
View Article titled, Dynamic Response of a Pivot-Mounted Squeeze Film Damper: Measurements and Predictions
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Topics: Dampers, Damping, Dynamic response, Fluids, Viscosity, Finite element analysis, Stiffness, Vibration
Journal Articles

Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071008.
Paper No: GTP-24-1689
https://doi.org/10.1115/1.4066890
Published Online: December 23, 2024
View Article titled, Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors
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Topics: Algorithms, Blades, Damping, Errors, Excitation, Finite element model, Integrated systems, Mode shapes, Rotors, Stability
Journal Articles

Model Order Determination for Modal Parameter Estimation: Application to a Composite Fan Stage

Corentin Jorajuria, Claude Gibert, Cécile Esteves, Fabrice Thouverez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071006.
Paper No: GTP-24-1678
https://doi.org/10.1115/1.4066891
Published Online: December 23, 2024
View Article titled, Model Order Determination for Modal Parameter Estimation: Application to a Composite Fan Stage
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Topics: Composite materials, Computer simulation, Modal analysis, Parameter estimation, Probability, Signals, Vacuum, Aeronautics, Turbojets, Engines
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 Article titled, 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

The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings

Daniel Vetter, Philipp Zemella, Thomas Hagemann, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061024.
Paper No: GTP-24-1675
https://doi.org/10.1115/1.4066893
Published Online: December 20, 2024
View Article titled, The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings
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Topics: Bearings, Stiffness, Stress, Damping, Elasticity
Journal Articles

Multimodal Shunt Damping of Monolithic Bladed Drums Using Multiple Digital Vibration Absorbers

Jennifer Dietrich, Ghislain Raze, Xavier Charles, Gaëtan Kerschen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061017.
Paper No: GTP-24-1129
https://doi.org/10.1115/1.4066994
Published Online: December 20, 2024
View Article titled, Multimodal Shunt Damping of Monolithic Bladed Drums Using Multiple Digital Vibration Absorbers
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Topics: Circuits, Damping, Vibration absorbers, Blades, Vibration, Resonance
Journal Articles

Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation

Homin Lim, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061011.
Paper No: GTP-24-1601
https://doi.org/10.1115/1.4066780
Published Online: November 25, 2024
View Article titled, Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation
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Topics: Bearings, Film thickness, Hammers, Hydrostatics, Stress, Thrust bearings, Damping, Pressure
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

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
Open the PDF for Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects in another window
Topics: Blades, Flutter (Aerodynamics), Mach number, Pressure, Rotors, Vibration, Cycles, Damping, Design, Turbines
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
Open the PDF for Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part II: Rotational Speed Effects in another window
Topics: Blades, Flutter (Aerodynamics), Pressure, Rotors, Vibration, Damping, Turbines, Friction, Mach number, Bladed disks
Journal Articles

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Niklas Maroldt, Joerg R. Seume
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031015.
Paper No: GTP-24-1513
https://doi.org/10.1115/1.4066372
Published Online: October 4, 2024
View Article titled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Damping, Finite element model, Vibration, Compressors, Bearings, Rotors, Computational fluid dynamics, Measurement uncertainty
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 Article titled, 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

On the Optimum Distribution of Multiple Helmholtz Resonators for Annular Combustors

Hongwei Chen, Liming Yin, Xiaopei Liu, Mingmin Chen, Dong Yang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021004.
Paper No: GTP-24-1317
https://doi.org/10.1115/1.4066354
Published Online: September 26, 2024
View Article titled, On the Optimum Distribution of Multiple Helmholtz Resonators for Annular Combustors
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Topics: Combustion chambers, Damping, Eigenvalues, Acoustics, Dampers, Gas turbines
Journal Articles

Application of Interface Reduction Methods to Rotordynamic Casing Models

Accepted Manuscript
Martin Paehr, Lars Panning-von Scheidt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1605
https://doi.org/10.1115/1.4066606
Published Online: September 23, 2024
View Article titled, Application of Interface Reduction Methods to Rotordynamic Casing Models
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Topics: Bolted joints, Damping, Digital twin, Excitation, Finite element model, Friction, Machinery, Manufacturing, Rotors, Structural health monitoring
Journal Articles

Analysis of Thermo-Acoustic Instabilities Induced by Hydrogen Swirling Flames

Nicolas Vaysse, Daniel Durox, Ronan Vicquelin, Sébastien Candel, Antoine Renaud
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011011.
Paper No: GTP-24-1356
https://doi.org/10.1115/1.4066242
Published Online: September 19, 2024
View Article titled, Analysis of Thermo-Acoustic Instabilities Induced by Hydrogen Swirling Flames
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Topics: Acoustics, Flames, Hydrogen, Damping, Oscillations, Signals, Ejectors, Fluctuations (Physics), Pressure, Heat
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

Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers

H. M. Phan, F. Newman, C. E. O'Pray, D. Parikh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111028.
Paper No: GTP-24-1272
https://doi.org/10.1115/1.4066156
Published Online: August 23, 2024
View Article titled, Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers
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Topics: Flow-induced vibrations, Heat exchangers, Temperature, Vibration, Lasers, Computer simulation, Damping, Fluids, Eigenvalues, Test facilities
Journal Articles

An Optimization Method for Stiffness and Damping Mistuning Identification From Blade Tip Timing Data

Troy Krizak, Eric Kurstak, Kiran D'Souza
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2024, 146(12): 121005.
Paper No: GTP-24-1300
https://doi.org/10.1115/1.4066165
Published Online: August 23, 2024
View Article titled, An Optimization Method for Stiffness and Damping Mistuning Identification From Blade Tip Timing Data
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Topics: Blades, Damping, Optimization, Stiffness
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

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 Article titled, 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