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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

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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. November 2025, 147(11): 111006.
Paper No: GTP-24-1824
https://doi.org/10.1115/1.4068428
Published Online: May 12, 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, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stators, Stiffness, Numerical analysis
Journal Articles

Numerical and Experimental Investigation of Friction Damping in Shrouded Blades

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Accepted Manuscript
Chenhong Du, Yanrong Wang, Xianghua Jiang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1829
https://doi.org/10.1115/1.4068653
Published Online: May 12, 2025
View Articletitled, Numerical and Experimental Investigation of Friction Damping in Shrouded Blades
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Topics: Blades, Damping, Friction, High cycle fatigue, Performance, Resonance, Simulation, Stress, Displacement, Excitation
Journal Articles

Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors

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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 Articletitled, 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

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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 Articletitled, 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

Blade Excitation Alleviation of a Nozzleless Radial Turbine by Casing Treatment Based on Reduced-Order Model

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Mingyang Yang, Zhaokai Lu, Wataru Sato, Teppei Kuwata
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2025, 147(8): 081004.
Paper No: GTP-24-1559
https://doi.org/10.1115/1.4067064
Published Online: December 23, 2024
View Articletitled, Blade Excitation Alleviation of a Nozzleless Radial Turbine by Casing Treatment Based on Reduced-Order Model
Open the PDF for Blade Excitation Alleviation of a Nozzleless Radial Turbine by Casing Treatment Based on Reduced-Order Model in another window
Topics: Blades, Excitation, Pressure, Turbines, Vibration, Rotors, Numerical analysis
Journal Articles

On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces

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Samuel Quaegebeur, Fabrice Thouverez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061007.
Paper No: GTP-24-1608
https://doi.org/10.1115/1.4066605
Published Online: November 22, 2024
View Articletitled, On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces
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Topics: Blades, Displacement, Excitation, Finite element model, Friction, Standing waves, Frequency response, Accounting, Traveling waves, Shapes
Journal Articles

Application of Interface Reduction Methods to Rotordynamic Casing Models

Open Access
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. May 2025, 147(5): 051019.
Paper No: GTP-24-1605
https://doi.org/10.1115/1.4066606
Published Online: November 22, 2024
View Articletitled, Application of Interface Reduction Methods to Rotordynamic Casing Models
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Topics: Damping, Friction, Manufacturing, Rotors, Polynomials, Stiffness, Bearings, Eigenvalues, Equations of motion, Excitation
Journal Articles

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

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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 Articletitled, 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

Open Access
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 Articletitled, 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

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part II: An Efficient Approach for Stochastic Studies

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Juan Manuel Gallardo, Óscar Pérez Escobar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061004.
Paper No: GTP-24-1508
https://doi.org/10.1115/1.4066538
Published Online: November 14, 2024
View Articletitled, Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part II: An Efficient Approach for Stochastic Studies
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Topics: Airfoils, Blades, Computational fluid dynamics, Electromagnetic scattering, Engines, Excitation, Flow (Dynamics), Geometry, Manufacturing, Simulation
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

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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 Articletitled, 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

A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

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Tianhao Wang, Zhigang Li, 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): 021024.
Paper No: GTP-24-1657
https://doi.org/10.1115/1.4066718
Published Online: October 25, 2024
View Articletitled, A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform
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Topics: Excitation, Resolution (Optics), Rotors, Signals, Whirls, Computational fluid dynamics, Simulation, Errors, Numerical analysis
Journal Articles

Application of an Improved Workflow for the Identification of Flame Dynamics to Swirl-Stabilized Wet Combustion

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Marcel Désor, Matthias Haeringer, Marian Hiestermann, Korbinian Niebler, Camilo F. Silva, Wolfgang Polifke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031003.
Paper No: GTP-24-1428
https://doi.org/10.1115/1.4066364
Published Online: October 3, 2024
View Articletitled, Application of an Improved Workflow for the Identification of Flame Dynamics to Swirl-Stabilized Wet Combustion
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Topics: Excitation, Flames, Noise (Sound), Signal to noise ratio, Signals, Simulation, System identification, Time series, Wireless power transfer, Workflow
Journal Articles

Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner

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Neha Vishnoi, Aditya Saurabh, Lipika Kabiraj
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011012.
Paper No: GTP-24-1360
https://doi.org/10.1115/1.4066243
Published Online: September 19, 2024
View Articletitled, Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner
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Topics: Flow (Dynamics), Principal component analysis, Excitation, Acoustics, Turbulence
Includes: Supplementary data
Journal Articles

Parametric Vibration and Combined Resonance of a Bending-Torsional Coupled Turbine Blade With a Preset Angle

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Yuankai Ren, Jianwei Lu, Gaoming Deng, Dinghua Zhou
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041023.
Paper No: GTP-23-1078
https://doi.org/10.1115/1.4064438
Published Online: February 26, 2024
View Articletitled, Parametric Vibration and Combined Resonance of a Bending-Torsional Coupled Turbine Blade With a Preset Angle
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Topics: Blades, Resonance, Vibration, Excitation
Journal Articles

Integrally Bladed Rotor Modal Identification Under Traveling Wave Excitation With High Density Measurement Points

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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. August 2024, 146(8): 081013.
Paper No: GTP-23-1608
https://doi.org/10.1115/1.4064192
Published Online: February 8, 2024
View Articletitled, Integrally Bladed Rotor Modal Identification Under Traveling Wave Excitation With High Density Measurement Points
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Topics: Algorithms, Blades, Excitation, Mode shapes, Spectral energy distribution, Traveling waves, Rotors, System identification, Testing
Journal Articles

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

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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 Articletitled, 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

Comparison of Subspace Identification Methods for Modal Estimation of Bladed Disks

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Corentin Jorajuria, Cécile Esteves, Claude Gibert, Fabrice Thouverez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051006.
Paper No: GTP-23-1551
https://doi.org/10.1115/1.4063634
Published Online: December 8, 2023
View Articletitled, Comparison of Subspace Identification Methods for Modal Estimation of Bladed Disks
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Topics: Bladed disks, Uncertainty, Excitation, Errors, Computation, Eigenvalues, Aeronautics, Time series
Journal Articles

Sensitivity Analysis of Transient Forced Response of Mistuned Bladed Disks Under Complex Excitation and Varying Rotation Speed

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Tong Jing, Chaoping Zang, Evgeny Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031018.
Paper No: GTP-23-1421
https://doi.org/10.1115/1.4063586
Published Online: November 28, 2023
View Articletitled, Sensitivity Analysis of Transient Forced Response of Mistuned Bladed Disks Under Complex Excitation and Varying Rotation Speed
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Topics: Bladed disks, Blades, Rotation, Transients (Dynamics), Excitation, Rotors
Journal Articles

Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling

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Marco Gambitta, Bernd Beirow, Thomas Klauke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021017.
Paper No: GTP-23-1389
https://doi.org/10.1115/1.4063633
Published Online: November 21, 2023
View Articletitled, Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling
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Topics: Airfoils, Bladed disks, Disks, Displacement, Dynamics (Mechanics), Geometry, Vibration, Excitation, Compressors, Blades