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Proceedings Papers

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects

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Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129074
https://doi.org/10.1115/GT2024-129074
View Paper 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
Proceedings Papers

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects

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Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129134
https://doi.org/10.1115/GT2024-129134
View Paper titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft 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: Shaft Speed Effects in another window
Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Oscillations, Pressure, Turbines, Vibration, Dry friction, Friction, Aerodynamics
Proceedings Papers

A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces

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Nicolas Ombret, Renaud Daon, Alain Dugeai, Fabrice Thouverez, Laurent Blanc
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102568
https://doi.org/10.1115/GT2023-102568
View Paper titled, A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces
Open the PDF for A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces in another window
Topics: Blades, Flutter (Aerodynamics), Friction, Limit cycles, Oscillations
Proceedings Papers

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
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101671
https://doi.org/10.1115/GT2023-101671
View Paper titled, Friction Saturated Limit Cycle Oscillations – Test Rig Design and Validation of Numerical Prediction Methods
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Topics: Design, Friction, Limit cycles, Oscillations
Proceedings Papers

Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors

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Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102829
https://doi.org/10.1115/GT2023-102829
View Paper titled, Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors
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Topics: Friction, Rotors, Bladed disks, Computation, Resonance, Vibration, Blades, Cycles, Degrees of freedom, Differential equations
Proceedings Papers

Effect of Counter- and Co-Swirl on Low-Frequency Combustion Instabilities of Jet A-1 Spray Flames

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Byeonguk Ahn, Kyu Tae Kim
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79706
https://doi.org/10.1115/GT2022-79706
View Paper titled, Effect of Counter- and Co-Swirl on Low-Frequency Combustion Instabilities of Jet A-1 Spray Flames
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Topics: Combustion, Flames, Sprays, Pressure, Diffusion flames, Flow (Dynamics), Heat, Oscillations, Atmospheric pressure, Combustion chambers
Proceedings Papers

High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames

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Jonathan McClure, Mirko Bothien, Thomas Sattelmayer
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A031, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81127
https://doi.org/10.1115/GT2022-81127
View Paper titled, High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames
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Topics: Acoustics, Flames, Mode shapes, Combustion chambers, Combustion systems, Stress, Atmospheric pressure, Combined cycles, Combustion, Engines
Proceedings Papers

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

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Yu Xia, Patrick Sharkey, Ishan Verma, Alok Khaware, Davor Cokljat
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78296
https://doi.org/10.1115/GT2022-78296
View Paper titled, Prediction of Thermoacoustic Instability and Fluid-Structure Interactions for Gas Turbine Combustor
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Topics: Combustion chambers, Fluid structure interaction, Gas turbines, Flow (Dynamics), Oscillations, Deformation, Turbulence, Combustion, Computational fluid dynamics, Design
Proceedings Papers

Experimental and Numerical Characterization of the Self-Excited Dynamics Behavior of a Technically Premixed Burner

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R. Meloni, S. Gori, G. Riccio, N. Chiarizia, D. Pampaloni, A. Andreini
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82248
https://doi.org/10.1115/GT2022-82248
View Paper titled, Experimental and Numerical Characterization of the Self-Excited Dynamics Behavior of a Technically Premixed Burner
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Topics: Acoustics, Computational fluid dynamics, Computer simulation, Design, Dynamics (Mechanics), Flames, Fluctuations (Physics), Gas turbines, Large eddy simulation, Limit cycles
Proceedings Papers

Flame Transfer Functions for Turbulent, Premixed, Ammonia-Hydrogen-Nitrogen-Air Flames

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Samuel Wiseman, Andrea Gruber, James R. Dawson
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A049, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83298
https://doi.org/10.1115/GT2022-83298
View Paper titled, Flame Transfer Functions for Turbulent, Premixed, Ammonia-Hydrogen-Nitrogen-Air Flames
Open the PDF for Flame Transfer Functions for Turbulent, Premixed, Ammonia-Hydrogen-Nitrogen-Air Flames in another window
Topics: Flames, Hydrogen, Nitrogen, Transfer functions, Turbulence, Methane, Gas turbines, Fuels, Chemiluminescence, Collapse
Proceedings Papers

Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results

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Marie Kasprzyk, John Sentmanat, Adolfo Delgado
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82200
https://doi.org/10.1115/GT2022-82200
View Paper titled, Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results
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Topics: Fluids, Rotors, Stability, Test facilities, Vibration, Damping, Bearings, Dampers, Excitation, Gas turbines
Proceedings Papers

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

Open Access

Christian Berthold, Johann Groß, Christian Frey, Malte Krack
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77999
https://doi.org/10.1115/GT2022-77999
View Paper titled, Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods
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Topics: Flutter (Aerodynamics), Limit cycles, Fluid structure interaction, Oscillations, Blades, Friction, Vibration, Aircraft engines, Boundary-value problems, Damping
Proceedings Papers

Global Stability Analysis of an Academic Rotor/Stator Cavity Subject to Periodic and Simple Wall Oscillations

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Mark Noun, Laurent Gicquel, Gabriel Staffelbach
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59188
https://doi.org/10.1115/GT2021-59188
View Paper titled, Global Stability Analysis of an Academic Rotor/Stator Cavity Subject to Periodic and Simple Wall Oscillations
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Topics: Cavities, Oscillations, Rotors, Stability, Stators, Flow (Dynamics), Fluids, Engines, Blades, Disks
Proceedings Papers

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

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Thomas Hofmeister, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58456
https://doi.org/10.1115/GT2021-58456
View Paper titled, Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor
Open the PDF for Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor in another window
Topics: Combustion chambers, Damping, Gas turbines, Oscillations, Flow (Dynamics), Acoustics, Computational fluid dynamics, Engineering simulation, Flames, Simulation
Proceedings Papers

Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behaviour

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Induja Pavithran, Vishnu R. Unni, Abhishek Saha, Alan J. Varghese, R. I. Sujith, Norbert Marwan, Jürgen Kurths
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A029, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60074
https://doi.org/10.1115/GT2021-60074
View Paper titled, Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behaviour
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Topics: Acoustics, Combustion, Combustion chambers, Damage, Electronics, Engines, Failure, Gas turbines, Limit cycles, Oscillations
Proceedings Papers

Towards Reduced Order Models of Small-Scale Acoustically Significant Components in Gas Turbine Combustion Chambers

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Suhas A. Kowshik, Sumukha Shridhar, N. C. W. Treleaven
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59601
https://doi.org/10.1115/GT2021-59601
View Paper titled, Towards Reduced Order Models of Small-Scale Acoustically Significant Components in Gas Turbine Combustion Chambers
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Topics: Acoustics, Combustion chambers, Gas turbines, Simulation, Computational fluid dynamics, Flow (Dynamics), Artificial neural networks, Damping, Cooling, Design
Proceedings Papers

Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor

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Abhishek Kushwaha, Praveen Kasthuri, Samadhan A. Pawar, R. I. Sujith, Ianko Chterev, Isaac Boxx
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A024, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60011
https://doi.org/10.1115/GT2021-60011
View Paper titled, Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor
Open the PDF for Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor in another window
Topics: Combustion chambers, Hydrogen, Methane, Oscillations, Sound pressure, Cycles, Heat, Flames, Acoustics, Flow (Dynamics)
Proceedings Papers

Thermoacoustic Instabilities of Hydrogen-Enriched Partially Premixed Flames in a Swirl Combustor

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Y. Gong, D. Fredrich, A. J. Marquis, W. P. Jones, I. Boxx
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A023, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60009
https://doi.org/10.1115/GT2021-60009
View Paper titled, Thermoacoustic Instabilities of Hydrogen-Enriched Partially Premixed Flames in a Swirl Combustor
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Topics: Combustion chambers, Flames, Hydrogen, Chemistry, Combustion, Oscillations, Chemical reactions, Density, Dynamics (Mechanics), Feedback
Proceedings Papers

Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment

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Jonathan McClure, Frederik M. Berger, Michael Bertsch, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59540
https://doi.org/10.1115/GT2021-59540
View Paper titled, Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment
Open the PDF for Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment in another window
Topics: Combustion chambers, Dynamics (Mechanics), Flames, Gas turbines, Limit cycles, Oscillations, Acoustics, Pressure, Displacement, Heat
Proceedings Papers

Experimental Investigation on Nonlinear Response of a Low-Swirl Flame to Acoustic Excitation with Large Amplitude

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Weijie Liu, Liang Zhang, Ranran Xue, Qian Yang, Huiru Wang
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A038, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60216
https://doi.org/10.1115/GT2021-60216
View Paper titled, Experimental Investigation on Nonlinear Response of a Low-Swirl Flame to Acoustic Excitation with Large Amplitude
Open the PDF for Experimental Investigation on Nonlinear Response of a Low-Swirl Flame to Acoustic Excitation with Large Amplitude in another window
Topics: Acoustics, Excitation, Flames, Heat, Combustion chambers, Emissions, Gas turbines, Limit cycles, Methane, Oscillations