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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

Numerical Analysis of High Frequency Transverse Instabilities in a Can-Type Combustor

Sandeep Jella, Marc Füri, Vasilis Katsapis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101010.
Paper No: GTP-23-1352
https://doi.org/10.1115/1.4065346
Published Online: May 13, 2024
View Article titled, Numerical Analysis of High Frequency Transverse Instabilities in a Can-Type Combustor
Open the PDF for Numerical Analysis of High Frequency Transverse Instabilities in a Can-Type Combustor in another window
Topics: Acoustics, Combustion, Combustion chambers, Dynamics (Mechanics), Flames, Large eddy simulation, Pressure, Spectra (Spectroscopy), Spin (Aerodynamics), Spinning (Textile)
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

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

Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation

Ioannis Gavalas, Athanasios Chasalevris
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011003.
Paper No: GTP-22-1375
https://doi.org/10.1115/1.4055533
Published Online: October 19, 2022
View Article titled, Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation
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Topics: Bearings, Bifurcation, Rotors, Trains, Design, Turbogenerators, Limit cycles, Stability
Journal Articles

Experimental Investigation of Interactions Between Two Closely Spaced Azimuthal Modes in a Multinozzle Can Combustor

Jeongwon Kim, Tony John, Subodh Adhikari, David Wu, Benjamin Emerson, Vishal Acharya, Mitsunori Isono, Toshihiko Saito, Timothy Lieuwen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101021.
Paper No: GTP-22-1279
https://doi.org/10.1115/1.4055362
Published Online: September 20, 2022
View Article titled, Experimental Investigation of Interactions Between Two Closely Spaced Azimuthal Modes in a Multinozzle Can Combustor
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Topics: Combustion chambers, Dynamics (Mechanics), Oscillations, Pressure, Signals, Spectra (Spectroscopy), Spin (Aerodynamics), Standing waves, Time series, Waves
Journal Articles

Prediction of Thermoacoustic Instability and Fluid–Structure Interactions for Gas Turbine Combustor

Yu Xia, Patrick Sharkey, Ishan Verma, Alok Khaware, Davor Cokljat
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091005.
Paper No: GTP-22-1237
https://doi.org/10.1115/1.4055015
Published Online: July 28, 2022
View Article titled, Prediction of Thermoacoustic Instability and Fluid–Structure Interactions for Gas Turbine Combustor
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Topics: Displacement, Fluid structure interaction, Pressure, Oscillations, Limit cycles, Combustion chambers, Deformation, Flow (Dynamics), Flames, Fluids
Journal Articles

Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor

Thomas Hofmeister, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121018.
Paper No: GTP-21-1307
https://doi.org/10.1115/1.4051990
Published Online: October 12, 2021
View Article titled, Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor
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Topics: Acoustics, Combustion chambers, Computational fluid dynamics, Damping, Energy dissipation, Flames, Flow (Dynamics), Oscillations, Pressure, Simulation
Journal Articles

Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behavior

Induja Pavithran, Vishnu R. Unni, Abhishek Saha, Alan J. Varghese, R. I. Sujith, Norbert Marwan, Jürgen Kurths
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121005.
Paper No: GTP-21-1336
https://doi.org/10.1115/1.4052059
Published Online: October 4, 2021
View Article titled, Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behavior
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Topics: Combustion chambers, Oscillations, Time series, Pressure, Turbulence, Limit cycles, Fluctuations (Physics), Signals
Journal Articles

Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Flexure Pivot Tilting Pad Journal Bearing in Comparison to a Fixed Profile Journal Bearing With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091007.
Paper No: GTP-20-1468
https://doi.org/10.1115/1.4050367
Published Online: May 3, 2021
View Article titled, Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Flexure Pivot Tilting Pad Journal Bearing in Comparison to a Fixed Profile Journal Bearing With Experimental Verification
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Topics: Bearings, Bifurcation, Journal bearings, Rotors, Limit cycles, Bending (Stress), Equilibrium (Physics)
Journal Articles

Protection and Identification of Thermoacoustic Azimuthal Modes

G. Ghirardo, F. Gant, F. Boudy, M. R. Bothien
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041021.
Paper No: GTP-20-1736
https://doi.org/10.1115/1.4049909
Published Online: February 26, 2021
View Article titled, Protection and Identification of Thermoacoustic Azimuthal Modes
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Topics: Acoustics, Combustion chambers, Engines, Flames, Noise (Sound), Phase space, Sound pressure, Time series, Annulus, Dynamics (Mechanics)
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

Comparison of Machine Learning Algorithms in the Interpolation and Extrapolation of Flame Describing Functions

Michael McCartney, Matthias Haeringer, Wolfgang Polifke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2020, 142(6): 061009.
Paper No: GTP-19-1608
https://doi.org/10.1115/1.4045516
Published Online: May 29, 2020
View Article titled, Comparison of Machine Learning Algorithms in the Interpolation and Extrapolation of Flame Describing Functions
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Topics: Algorithms, Errors, Interpolation, Machine learning, Flames, Splines, Limit cycles
Journal Articles

Time-Domain Bloch Boundary Conditions for Efficient Simulation of Thermoacoustic Limit Cycles in (Can-)Annular Combustors

Matthias Haeringer, Wolfgang Polifke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121005.
Paper No: GTP-19-1512
https://doi.org/10.1115/1.4044869
Published Online: November 8, 2019
View Article titled, Time-Domain Bloch Boundary Conditions for Efficient Simulation of Thermoacoustic Limit Cycles in (Can-)Annular Combustors
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Topics: Acoustics, Boundary-value problems, Combustion chambers, Computational fluid dynamics, Flames, Limit cycles, Simulation, Waves, Pressure
Journal Articles

Stability and Limit Cycles of a Nonlinear Damper Acting on a Linearly Unstable Thermoacoustic Mode

Claire Bourquard, Nicolas Noiray
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051012.
Paper No: GTP-18-1687
https://doi.org/10.1115/1.4042080
Published Online: December 17, 2018
View Article titled, Stability and Limit Cycles of a Nonlinear Damper Acting on a Linearly Unstable Thermoacoustic Mode
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Topics: Cavities, Dampers, Limit cycles, Pressure, Acoustics
Journal Articles

Synchronization of Thermoacoustic Modes in Sequential Combustors

Giacomo Bonciolini, Nicolas Noiray
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031010.
Paper No: GTP-18-1477
https://doi.org/10.1115/1.4041027
Published Online: October 4, 2018
View Article titled, Synchronization of Thermoacoustic Modes in Sequential Combustors
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Topics: Acoustics, Combustion chambers, Dynamics (Mechanics), Flames, Heat, Oscillations, Synchronization, Signals, Sound pressure, Bifurcation
Journal Articles

Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors

Alessandro Orchini, Georg A. Mensah, Jonas P. Moeck
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021002.
Paper No: GTP-18-1356
https://doi.org/10.1115/1.4040768
Published Online: September 19, 2018
View Article titled, Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors
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Topics: Acoustics, Combustion chambers, Limit cycles, Spin (Aerodynamics), Spinning (Textile), Stability, Flames, Heat, Synchronization, Oscillations
Journal Articles

Strongly Coupled Fluid–Structure Interaction in a Three-Dimensional Model Combustor During Limit Cycle Oscillations

Mina Shahi, Jim B. W. Kok, J. C. Roman Casado, Artur K. Pozarlik
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061505.
Paper No: GTP-17-1050
https://doi.org/10.1115/1.4038234
Published Online: January 30, 2018
View Article titled, Strongly Coupled Fluid–Structure Interaction in a Three-Dimensional Model Combustor During Limit Cycle Oscillations
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Topics: Acoustics, Combustion, Combustion chambers, Computational fluid dynamics, Flow (Dynamics), Fluid structure interaction, Fluids, Limit cycles, Oscillations, Pressure
Journal Articles

A Weakly Nonlinear Approach Based on a Distributed Flame Describing Function to Study the Combustion Dynamics of a Full-Scale Lean-Premixed Swirled Burner

Davide Laera, Sergio M. Camporeale
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 091501.
Paper No: GTP-16-1354
https://doi.org/10.1115/1.4036010
Published Online: April 11, 2017
View Article titled, A Weakly Nonlinear Approach Based on a Distributed Flame Describing Function to Study the Combustion Dynamics of a Full-Scale Lean-Premixed Swirled Burner
Open the PDF for A Weakly Nonlinear Approach Based on a Distributed Flame Describing Function to Study the Combustion Dynamics of a Full-Scale Lean-Premixed Swirled Burner in another window
Topics: Combustion, Combustion chambers, Flames, Pressure, Stability, Limit cycles, Fluctuations (Physics), Signals, Pressure transducers