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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

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

Accepted Manuscript
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.
Paper No: GTP-24-1601
https://doi.org/10.1115/1.4066780
Published Online: October 4, 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: Hammers, Hydrostatics, Thrust bearings, Bearings, Stress, Design, Stiffness, Damping, Fluids, Friction
Journal Articles

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

Accepted Manuscript
Joshua Bird, Patrick S Keogh, Carl Sangan, Aaron Bowsher, Peter Crudgington, James Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1607
https://doi.org/10.1115/1.4066711
Published Online: September 28, 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: Geometry, Rotordynamics, Stiffness, Pressure, Leakage, Engines, Gas turbines, Damping, Density, Excitation
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

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

Accepted Manuscript
Alvaro Escudero, Salvador Rodriguez, Roque Corral
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1534
https://doi.org/10.1115/1.4066584
Published Online: September 19, 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: Bladed disks, Flutter (Aerodynamics), Limit cycles, Oscillations, Pressure, Turbines, Vibration, Dry friction, Friction, Aerodynamics
Journal Articles

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

Accepted Manuscript
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.
Paper No: GTP-24-1519
https://doi.org/10.1115/1.4066588
Published Online: September 19, 2024
View Article titled, A Thermal Model for a Hybrid Gas Bearing System in Oil-Free Turbochargers
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Topics: Gas bearings, Turbochargers, Rotors, Temperature, Bearings, Thermal energy transport, Viscosity, Algorithms, Damping, Density
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

Accepted Manuscript
Alvaro Escudero, Salvador Rodriguez, Roque Corral
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1526
https://doi.org/10.1115/1.4066587
Published Online: September 19, 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: Bladed disks, Flutter (Aerodynamics), Limit cycles, Mach number, Oscillations, Pressure, Turbines, Damping, Vibration, Blades
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
Open the PDF for Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel in another window
Topics: Bearings, Dampers, Damping, Design, Fluid structure interaction, Secondary cells, Stiffness, Additive manufacturing, Flow (Dynamics), Vibration
Journal Articles

Friction Saturated Limit Cycle Oscillations—Test Rig Design and Validation of Numerical Prediction Methods

Stefan Schwarz, Johannes Reil, Johann Gross, Andreas Hartung, David Rittinger, Malte Krack
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051020.
Paper No: GTP-23-1367
https://doi.org/10.1115/1.4063769
Published Online: December 26, 2023
View Article titled, Friction Saturated Limit Cycle Oscillations—Test Rig Design and Validation of Numerical Prediction Methods
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Topics: Damping, Design, Feedback, Friction, Limit cycles, Oscillations, Simulation, Excitation systems, Excitation
Journal Articles

Identification of Compressor Vibration Aerodynamic Forcing Mechanisms by Spectral Characteristics

Valerie Hernley, Jeongseek Kang, Matthew Montgomery, Jae Hoon Chung, Aleksandar Jemcov, Scott C. Morris
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051008.
Paper No: GTP-23-1426
https://doi.org/10.1115/1.4063685
Published Online: December 11, 2023
View Article titled, Identification of Compressor Vibration Aerodynamic Forcing Mechanisms by Spectral Characteristics
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Topics: Blades, Compressors, Pressure, Vibration, Damping, Rotors, Flutter (Aerodynamics)
Journal Articles

Computation of Isolated Periodic 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. April 2024, 146(4): 041011.
Paper No: GTP-23-1480
https://doi.org/10.1115/1.4063704
Published Online: December 8, 2023
View Article titled, Computation of Isolated Periodic Solutions for Forced Response Blade-Tip/Casing Contact Problems
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Topics: Blades, Computation, Resonance, Rotors, Damping, NASA, Contact mechanics
Journal Articles

Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB)

Yunseok Ha, Jungwan Kim, Keonwoo Jeong, Yongbok Lee
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041002.
Paper No: GTP-23-1422
https://doi.org/10.1115/1.4063591
Published Online: December 1, 2023
View Article titled, Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB)
Open the PDF for Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB) in another window
Topics: Air compressors, Compressors, Impellers, Journal bearings, Rotors, Stress, Thrust, Thrust bearings, Vibration, Cooling
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