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Proceedings Papers

Predicting the Amplitude of Thermoacoustic Instability Using Universal Scaling Behaviour

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
Paper No: GT2021-60074
DOI: https://doi.org/10.1115/GT2021-60074
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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

Suhas A. Kowshik, Sumukha Shridhar, N. C. W. Treleaven
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 7–11, 2021
Paper No: GT2021-59601
DOI: https://doi.org/10.1115/GT2021-59601
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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

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
Paper No: GT2021-60011
DOI: https://doi.org/10.1115/GT2021-60011
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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

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
Paper No: GT2021-60009
DOI: https://doi.org/10.1115/GT2021-60009
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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

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
Paper No: GT2021-59540
DOI: https://doi.org/10.1115/GT2021-59540
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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

Weijie Liu, Liang Zhang, Ranran Xue, Qian Yang, Huiru Wang
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A038, June 7–11, 2021
Paper No: GT2021-60216
DOI: https://doi.org/10.1115/GT2021-60216
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Topics: Acoustics, Excitation, Flames, Heat, Combustion chambers, Emissions, Gas turbines, Limit cycles, Methane, Oscillations
Proceedings Papers

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

Thomas Hofmeister, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 7–11, 2021
Paper No: GT2021-58456
DOI: https://doi.org/10.1115/GT2021-58456
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Topics: Combustion chambers, Damping, Gas turbines, Oscillations, Flow (Dynamics), Acoustics, Computational fluid dynamics, Engineering simulation, Flames, Simulation
Proceedings Papers

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

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
Paper No: GT2021-59188
DOI: https://doi.org/10.1115/GT2021-59188
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Topics: Cavities, Oscillations, Rotors, Stability, Stators, Flow (Dynamics), Fluids, Engines, Blades, Disks
Proceedings Papers

Acoustic Energy Balance During the Onset, Growth and Saturation of Thermoacoustic Instabilities

R. Gaudron, D. Yang, A. S. Morgans
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A053, September 21–25, 2020
Paper No: GT2020-16158
DOI: https://doi.org/10.1115/GT2020-16158
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Topics: Acoustics, Energy budget (Physics), Combustion chambers, Cycles, Flames, Network models, Oscillations, Absorption, Damping, Dimensionless numbers
Proceedings Papers

Data-Driven Identification of Nonlinear Flame Models

Abdulla Ghani, Isaac Boxx, Carrie Noren
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A054, September 21–25, 2020
Paper No: GT2020-15001
DOI: https://doi.org/10.1115/GT2020-15001
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Topics: Flames, Acoustics, Combustion, Limit cycles, Network models, Pressure, Computer software, Delays, Dynamics (Mechanics), Fluctuations (Physics)
Proceedings Papers

Protection and Identification of Thermoacoustic Azimuthal Modes

G. Ghirardo, F. Gant, F. Boudy, M. R. Bothien
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A008, September 21–25, 2020
Paper No: GT2020-15354
DOI: https://doi.org/10.1115/GT2020-15354
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Topics: Acoustics, Annulus, Combustion, Combustion chambers, Damping, Dynamic systems, Dynamics (Mechanics), Engines, Flames, Limit cycles
Proceedings Papers

Quantification of Variation in Combustion Instability Amplitude in a Multi-Nozzle Can Combustor

Seth Westfall, Olivia Sekulich, Wyatt Culler, Stephen Peluso, Jacqueline O’Connor
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A035, September 21–25, 2020
Paper No: GT2020-16042
DOI: https://doi.org/10.1115/GT2020-16042
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Topics: Combustion, Combustion chambers, Nozzles, Oscillations, Pressure, Damping, Temperature, Fuels, Transients (Dynamics), Emissions
Proceedings Papers

Applicability of Harmonic Balance for the Determination of Blade Stability Within the Prescribed Motion Approach

Virginie Anne Chenaux, Matthias Schuff, David Quero
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A002, September 21–25, 2020
Paper No: GT2020-14132
DOI: https://doi.org/10.1115/GT2020-14132
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Topics: Blades, Stability, Computational fluid dynamics, Engineering simulation, Oscillations, Simulation, Compressors, Damping, Design, Harmonic motion
Proceedings Papers

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

Christian Berthold, Johann Gross, Christian Frey, Malte Krack
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A032, September 21–25, 2020
Paper No: GT2020-16253
DOI: https://doi.org/10.1115/GT2020-16253
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Topics: Flutter (Aerodynamics), Friction, Vibration, Oscillations, Damping, Limit cycles, Aerodynamics, Algorithms, Boundary-value problems, Deflection
Proceedings Papers

Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A006, September 21–25, 2020
Paper No: GT2020-14254
DOI: https://doi.org/10.1115/GT2020-14254
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Topics: Journal bearings, Nonlinear vibration, Rotors, Bearings, Bifurcation, Disks, Limit cycles, Degrees of freedom, Finite element analysis, Rolling bearings
Proceedings Papers

Numerical Investigation of Combustion Instabilities in a Single Element Lean Direct Inject (LDI) Combustor Using Flamelet Based Approaches

Saurabh Patwardhan, Pravin Nakod, Stefano Orsino, Carlo Arguinzoni
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A056, June 17–21, 2019
Paper No: GT2019-90878
DOI: https://doi.org/10.1115/GT2019-90878
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Topics: Combustion, Combustion chambers, Simulation results, Pressure, Acoustics, Flamelet generated manifold, Simulation, Engineering simulation, Boundary-value problems, Chemistry
Proceedings Papers

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

Michael McCartney, Matthias Haeringer, Wolfgang Polifke
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A020, June 17–21, 2019
Paper No: GT2019-91319
DOI: https://doi.org/10.1115/GT2019-91319
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Topics: Algorithms, Flames, Interpolation, Machine learning, Errors, Limit cycles, Simulation, Splines, Uncertainty quantification
Proceedings Papers

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

Matthias Haeringer, Wolfgang Polifke
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A035, June 17–21, 2019
Paper No: GT2019-91604
DOI: https://doi.org/10.1115/GT2019-91604
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Topics: Boundary-value problems, Combustion chambers, Limit cycles, Simulation, Acoustics, Computational fluid dynamics, Flames, Waves, Combustion, Dynamics (Mechanics)
Proceedings Papers

Asymptotic Description of Forced Response Vibration Saturation by Friction Forces

Carlos Martel, Juan A. Martín
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A009, June 17–21, 2019
Paper No: GT2019-90765
DOI: https://doi.org/10.1115/GT2019-90765
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Topics: Friction, Vibration, Disks, Blades, Oscillations, Springs, Boundary-value problems, Computation, Dampers, Damping
Proceedings Papers

Local and Global Stability Analysis of an Academic Rotor/Stator Cavity

Matthieu Queguineur, Thibault Bridel-Bertomeu, Laurent Gicquel, Gabriel Staffelbach
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A001, June 11–15, 2018
Paper No: GT2018-75008
DOI: https://doi.org/10.1115/GT2018-75008
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Topics: Cavities, Rotors, Stability, Stators, Flow (Dynamics), Cavity flows, Engines, Flow instability, Large eddy simulation, Limit cycles