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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
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Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Oscillations, Pressure, Turbines, Vibration, Dry friction, Friction, Aerodynamics
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

A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations

Accepted Manuscript
Pierre Sivel, Christian Frey, Hans-Peter Kersken, Edmund Kuegeler
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1511
https://doi.org/10.1115/1.4066537
Published Online: September 13, 2024
View Article titled, A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations
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Topics: Cavities, Computation, Flutter (Aerodynamics), Turbomachinery, Critical phenomena (Physics), Density, Flow (Dynamics), Mach number, Reliability, Stiffness
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

Numerical Investigation of Friction Induced Interaction of Flutter Modes in a Realistic Low Pressure Turbine Rotor

Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111021.
Paper No: GTP-23-1319
https://doi.org/10.1115/1.4063374
Published Online: October 3, 2023
View Article titled, Numerical Investigation of Friction Induced Interaction of Flutter Modes in a Realistic Low Pressure Turbine Rotor
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Topics: Bladed disks, Blades, Displacement, Flutter (Aerodynamics), Friction, Rotors, Traveling waves, Turbines, Pressure, Vibration
Journal Articles

A Conceptual Model for the Flutter Mechanism in Interlocked Turbine Blades

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. November 2023, 145(11): 111015.
Paper No: GTP-23-1314
https://doi.org/10.1115/1.4063313
Published Online: September 29, 2023
View Article titled, A Conceptual Model for the Flutter Mechanism in Interlocked Turbine Blades
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Topics: Blades, Flutter (Aerodynamics), Torsion, Finite element methods, Damping, Stability, Mode shapes, Turbines
Journal Articles

Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency Versus Time Domain Methods

Christian Berthold, Johann Gross, Christian Frey, Malte Krack
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071009.
Paper No: GTP-22-1397
https://doi.org/10.1115/1.4062408
Published Online: May 25, 2023
View Article titled, Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency Versus Time Domain Methods
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Topics: Fluid structure interaction, Fluids, Flutter (Aerodynamics), Limit cycles, Vibration, Blades, Oscillations, Resonance
Journal Articles

Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors

Shreyas Hegde, Jonathan D. Inge, Robert Kielb
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051004.
Paper No: GTP-22-1389
https://doi.org/10.1115/1.4055832
Published Online: December 20, 2022
View Article titled, Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors
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Topics: Blades, Compressors, Damping, Flutter (Aerodynamics), Rotors
Journal Articles

Evaluating the Aerodynamic Damping At Shock Wave Boundary Layer Interacting Flow Conditions With Harmonic Balance

Jan Philipp Heners, Christian Frey, Björn Grüber, Thomas Carraro
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031012.
Paper No: GTP-22-1465
https://doi.org/10.1115/1.4055636
Published Online: December 5, 2022
View Article titled, Evaluating the Aerodynamic Damping At Shock Wave Boundary Layer Interacting Flow Conditions With Harmonic Balance
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Topics: Boundary layers, Damping, Flow (Dynamics), Flutter (Aerodynamics), Shock waves, Turbulence, Shock (Mechanics), Stators, Reynolds-averaged Navier–Stokes equations, Simulation
Journal Articles

The Flutter Stability of Mistuned Bladed Disks Subjected to the Coriolis Effect

Anthony Tacher, Fabrice Thouverez, Jason Armand
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021004.
Paper No: GTP-22-1142
https://doi.org/10.1115/1.4056020
Published Online: November 28, 2022
View Article titled, The Flutter Stability of Mistuned Bladed Disks Subjected to the Coriolis Effect
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Topics: Blades, Coriolis force, Damping, Disks, Flutter (Aerodynamics), Stability
Journal Articles

On the Effect of Frequency Separation, Mass Ratio, Solidity, and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade

Matthias Schuff, Virginie Anne Chenaux
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011018.
Paper No: GTP-22-1340
https://doi.org/10.1115/1.4055788
Published Online: October 21, 2022
View Article titled, On the Effect of Frequency Separation, Mass Ratio, Solidity, and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade
Open the PDF for On the Effect of Frequency Separation, Mass Ratio, Solidity, and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade in another window
Topics: Aerodynamics, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Fluid-dynamic forces, Flutter (Aerodynamics), Resonance, Separation (Technology), Damping, Stability
Journal Articles

Transient Flutter Stability Analysis of Structural Mistuned Blisk by Energy Growth Method

Luohui Ouyang, Qingzhen Bi, Hua Chen, Hai Shang, Limin Zhu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091015.
Paper No: GTP-20-1757
https://doi.org/10.1115/1.4050860
Published Online: May 31, 2021
View Article titled, Transient Flutter Stability Analysis of Structural Mistuned Blisk by Energy Growth Method
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Topics: Blades, Eigenvalues, Flutter (Aerodynamics), Stability, Transients (Dynamics), Lumped parameter models
Journal Articles

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Robby Weber, Frederik Popig
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061027.
Paper No: GTP-20-1403
https://doi.org/10.1115/1.4049449
Published Online: March 31, 2021
View Article titled, Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning
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Topics: Blades, Damping, Design, Stress, Turbines, Wheels, Flutter (Aerodynamics), Robustness, Computer simulation, Vibration analysis
Journal Articles

A New Harmonic Balance Approach Using Multidimensional Time

Laura Junge, Christian Frey, Graham Ashcroft, Edmund Kügeler
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081007.
Paper No: GTP-20-1505
https://doi.org/10.1115/1.4049698
Published Online: March 31, 2021
View Article titled, A New Harmonic Balance Approach Using Multidimensional Time
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Topics: Blades, Flow (Dynamics), Fourier transforms, Pressure, Simulation, Wakes, Unsteady flow, Flutter (Aerodynamics), Inflow
Journal Articles

Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction

Gross Johann, Krack Malte
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051030.
Paper No: GTP-20-1130
https://doi.org/10.1115/1.4047889
Published Online: March 31, 2021
View Article titled, Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction
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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Steady state, Vibration, Waves, Attractors, Damping, Friction, Modal assurance criterion
Journal Articles

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method

Matthias Schuff, Virginie Anne Chenaux
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021017.
Paper No: GTP-20-1533
https://doi.org/10.1115/1.4048986
Published Online: January 28, 2021
View Article titled, Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method
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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Damping, Simulation, Turbomachinery, Flow (Dynamics), Aerodynamics, Fluid-dynamic forces
Journal Articles

Analysis of Friction-Saturated Flutter Vibrations With a Fully Coupled Frequency Domain Method

Christian Berthold, Johann Gross, Christian Frey, Malte Krack
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111007.
Paper No: GTP-20-1508
https://doi.org/10.1115/1.4048650
Published Online: October 20, 2020
View Article titled, Analysis of Friction-Saturated Flutter Vibrations With a Fully Coupled Frequency Domain Method
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Topics: Aerodynamics, Damping, Deflection, Deformation, Flow (Dynamics), Fluid-dynamic forces, Flutter (Aerodynamics), Friction, Limit cycles, Shapes
Journal Articles

Conceptual Flutter Analysis of Stepped Labyrinth Seals

Roque Corral, Almudena Vega, Michele Greco
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2020, 142(7): 071001.
Paper No: GTP-19-1745
https://doi.org/10.1115/1.4046419
Published Online: June 12, 2020
View Article titled, Conceptual Flutter Analysis of Stepped Labyrinth Seals
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Topics: Cavities, Cycles, Flutter (Aerodynamics), Pressure, Stability, Torsion
Journal Articles

Multi-Wave Vibration Caused by Flutter Instability and Nonlinear Tip-Shroud Friction

Johann Gross, Malte Krack
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021013.
Paper No: GTP-19-1463
https://doi.org/10.1115/1.4044884
Published Online: January 13, 2020
View Article titled, Multi-Wave Vibration Caused by Flutter Instability and Nonlinear Tip-Shroud Friction
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Topics: Flutter (Aerodynamics), Traveling waves, Vibration, Waves, Damping, Blades, Friction, Attractors, Resonance
Journal Articles

Numerical and Experimental Studies of Labyrinth Seal Aeroelastic Instability

Toshimasa Miura, Naoto Sakai
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2019, 141(11): 111005.
Paper No: GTP-19-1346
https://doi.org/10.1115/1.4044353
Published Online: September 16, 2019
View Article titled, Numerical and Experimental Studies of Labyrinth Seal Aeroelastic Instability
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Topics: Clearances (Engineering), Flow (Dynamics), Flutter (Aerodynamics), Leakage, Pressure, Simulation, Fluid structure interaction, Geometry, Cavities, Vibration