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Proceedings Papers

Dynamical Systems Characterisation and Reduced Order Modelling of Thermoacoustics in a Lean Direct Injection (LDI) Hydrogen Combustor

Ankit Dilip Kumar, Chinonso Ezenwajiaku, Ramanarayanan Balachandran, Andrea Ducci, Midhat Talibi, James C. Massey, Nedunchezhian Swaminathan
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124462
https://doi.org/10.1115/GT2024-124462
View Paper titled, Dynamical Systems Characterisation and Reduced Order Modelling of Thermoacoustics in a Lean Direct Injection (LDI) Hydrogen Combustor
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Topics: Combustion chambers, Dynamic systems, Hydrogen, Modeling, Thermoacoustics
Proceedings Papers

Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based on Large Eddy Simulation

Philip Bonnaire, Wolfgang Polifke
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102853
https://doi.org/10.1115/GT2023-102853
View Paper titled, Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based on Large Eddy Simulation
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Topics: Dynamics (Mechanics), Jets, Large eddy simulation, Acoustics, Cross-flow, Shear (Mechanics), Vortices, Combustion, Combustion chambers, Combustion systems
Proceedings Papers

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm

Nikhil Balasubramanian, Driek Rouwenhorst, Jakob Hermann
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80650
https://doi.org/10.1115/GT2022-80650
View Paper titled, Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm
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Topics: Algorithms, Filters, Modeling, Dynamics (Mechanics), Noise (Sound), Combustion, Kalman filters, Combustion chambers, Damping, Gas turbines
Proceedings Papers

The Nonlinear Thermoacoustic Eigenvalue Problem and Its Rational Approximations: Assessment of Solution Strategies

Moritz Merk, Philip E. Buschmann, Jonas P. Moeck, Wolfgang Polifke
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79653
https://doi.org/10.1115/GT2022-79653
View Paper titled, The Nonlinear Thermoacoustic Eigenvalue Problem and Its Rational Approximations: Assessment of Solution Strategies
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Topics: Approximation, Eigenvalues, Combustion chambers, Flames, Thermoacoustics
Proceedings Papers

Nonlinear Dynamic Analysis of the Pressure Signals on a Swirl-Stabilized Atmospheric LDI Burner Across Different Operating Conditions

Antonio Torregrosa, Alberto Broatch Jacobi, Jorge García-Tíscar, Marc Rodríguez Pastor
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A031, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82665
https://doi.org/10.1115/GT2022-82665
View Paper titled, Nonlinear Dynamic Analysis of the Pressure Signals on a Swirl-Stabilized Atmospheric LDI Burner Across Different Operating Conditions
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Topics: Combustion, Combustion chambers, Dynamic analysis, Emissions, Pressure, Signals, Flow (Dynamics), Flames, Fuels, Oscillations
Proceedings Papers

Gradient-Free Optimization in Thermoacoustics: Application to A Low-Order Model

Johann Moritz Reumschüssel, Jakob G. R. von Saldern, Yiqing Li, Christian Oliver Paschereit, Alessandro Orchini
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58341
https://doi.org/10.1115/GT2021-58341
View Paper titled, Gradient-Free Optimization in Thermoacoustics: Application to A Low-Order Model
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Topics: Optimization, Thermoacoustics, Fuels, Algorithms, Combustion chambers, Optimization algorithms, Design, Evolutionary algorithms, Fuel injectors, Gradient methods
Proceedings Papers

Influence of Acoustically Excited Airflows on a Planar Airblast Prefilmer

Thomas Christou, Björn Stelzner, Nikolaos Zarzalis
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A022, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58862
https://doi.org/10.1115/GT2021-58862
View Paper titled, Influence of Acoustically Excited Airflows on a Planar Airblast Prefilmer
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Topics: Acoustics, Air flow, Jet engines, Sprays, Combustion chambers, Emissions, Excitation, Oscillations, Drops, Flames
Proceedings Papers

Delay Identification in Thermoacoustics

F. Gant, G. Ghirardo, A. Cuquel, M. R. Bothien
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A024, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58903
https://doi.org/10.1115/GT2021-58903
View Paper titled, Delay Identification in Thermoacoustics
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Topics: Delays, Thermoacoustics, Flames, Noise (Sound), Acoustics, Combustion, Time series, Damping, Dynamics (Mechanics), Engineering simulation
Proceedings Papers

Scale Resolving CFD Investigations of Aerothermal Field and Emissions of a Lean Burn Aeroengine Combustor

S. Paccati, L. Mazzei, A. Andreini, S. Patil, S. Shrivastava, D. Bessette, C. Arguinzoni, R. Yadav
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A054, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59387
https://doi.org/10.1115/GT2021-59387
View Paper titled, Scale Resolving CFD Investigations of Aerothermal Field and Emissions of a Lean Burn Aeroengine Combustor
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Topics: Combustion chambers, Computational fluid dynamics, Emissions, Reynolds-averaged Navier–Stokes equations, Flames, Nitrogen oxides, Simulation, Aircraft engines, Boundary layers, Chemically reactive flow
Proceedings Papers

Ranking of Aircraft Fuel-Injectors Regarding Low Frequency Thermoacoustics Based on an Energy Balance Method

André Fischer, Claus Lahiri
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59561
https://doi.org/10.1115/GT2021-59561
View Paper titled, Ranking of Aircraft Fuel-Injectors Regarding Low Frequency Thermoacoustics Based on an Energy Balance Method
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Topics: Acoustics, Aircraft, Energy budget (Physics), Flames, Fuel injectors, Thermoacoustics, Transfer functions, Aircraft engines, Combustion chambers, Combustion systems
Proceedings Papers

Evaluation of Thermoacoustic Applications Using Waste Heat to Reduce Carbon Footprint

Philip Spoor, Deoras Prabhudharwadkar, Srinath Somu, Saumitra Saxena, Deanna Lacoste, William Roberts
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T07A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59688
https://doi.org/10.1115/GT2021-59688
View Paper titled, Evaluation of Thermoacoustic Applications Using Waste Heat to Reduce Carbon Footprint
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Topics: Carbon, Thermoacoustics, Waste heat
Proceedings Papers

Analysis of Thermoacoustic Modes in Can-Annular Combustors Using Effective Bloch-Type Boundary Conditions

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A036, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14665
https://doi.org/10.1115/GT2020-14665
View Paper titled, Analysis of Thermoacoustic Modes in Can-Annular Combustors Using Effective Bloch-Type Boundary Conditions
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Topics: Boundary-value problems, Combustion chambers, Acoustics, Eigenvalues, Waves, Combustion systems, Compressors, Electrical conductivity, Flames, Frequency response
Proceedings Papers

Shape Optimization of Thermoacoustic Systems Using a 2D Adjoint Helmholtz Solver

Stefano Falco, Matthew P. Juniper
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A051, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14971
https://doi.org/10.1115/GT2020-14971
View Paper titled, Shape Optimization of Thermoacoustic Systems Using a 2D Adjoint Helmholtz Solver
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Topics: Shape optimization, Combustion chambers, Geometry, Turbulence, Wavelength, Acoustics, Design, Finite element analysis, Flames, Shapes
Proceedings Papers

Quantification of Energy Transformation Processes Between Acoustic and Hydrodynamic Modes in Non-Compact Thermoacoustic Systems via a Helmholtz-Hodge Decomposition Approach

Thomas Hofmeister, Tobias Hummel, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90240
https://doi.org/10.1115/GT2019-90240
View Paper titled, Quantification of Energy Transformation Processes Between Acoustic and Hydrodynamic Modes in Non-Compact Thermoacoustic Systems via a Helmholtz-Hodge Decomposition Approach
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Topics: Acoustics, Energy transformation, Damping, Stability, Vortex shedding, Engineering simulation, Simulation, Combustion chambers, Entropy, Excitation
Proceedings Papers

Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors

G. Ghirardo, J. P. Moeck, M. R. Bothien
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A032, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90546
https://doi.org/10.1115/GT2019-90546
View Paper titled, Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors
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Topics: Combustion chambers, Noise (Sound), Thermoacoustics, Flames, Ducts, Engineering simulation, Simulation, Turbines, Acoustics, Engines
Proceedings Papers

Thermo-Acoustic Analysis of a Realistic Liquid-Fueled GT Combustor

Owen Graham, Nicholas Magina, A. J. Wickersham, Fei Han, Sebastiano Sorato, Sven Bethke
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A032, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91547
https://doi.org/10.1115/GT2019-91547
View Paper titled, Thermo-Acoustic Analysis of a Realistic Liquid-Fueled GT Combustor
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Topics: Acoustics, Combustion chambers, Fuels, Design, Emissions, Nozzles, Complex systems, Diffusion flames, Energy generation, Feedback
Proceedings Papers

Thermoacoustics of Can-Annular Combustors

G. Ghirardo, C. Di Giovine, J. P. Moeck, M. R. Bothien
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A057, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75799
https://doi.org/10.1115/GT2018-75799
View Paper titled, Thermoacoustics of Can-Annular Combustors
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Topics: Combustion chambers, Thermoacoustics, Ducts, Acoustics, Turbines, Geometry, Oscillations
Proceedings Papers

Methods for the Calculation of Thermoacoustic Stability Margins and Monte Carlo-Free Uncertainty Quantification

Georg A. Mensah, Luca Magri, Jonas P. Moeck
Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A048, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64829
https://doi.org/10.1115/GT2017-64829
View Paper titled, Methods for the Calculation of Thermoacoustic Stability Margins and Monte Carlo-Free Uncertainty Quantification
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Topics: Stability, Uncertainty quantification, Uncertainty, Combustion chambers, Eigenvalues, Flames, Gas turbines, Network models, Risk, Algebra
Proceedings Papers

Assessment of Scale Resolved CFD Methods for the Investigation of Lean Burn Spray Flames

A. Andreini, D. Bertini, L. Mazzei, S. Puggelli
Proc. ASME. GT2016, Volume 4A: Combustion, Fuels and Emissions, V04AT04A057, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57143
https://doi.org/10.1115/GT2016-57143
View Paper titled, Assessment of Scale Resolved CFD Methods for the Investigation of Lean Burn Spray Flames
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Topics: Computational fluid dynamics, Flames, Sprays, Simulation, Engineering simulation, Combustion, Flamelet generated manifold, Combustion chambers, Eddies (Fluid dynamics), Electrical discharge machining
Proceedings Papers

Impact of Flame Stretch and Heat Loss on Heat Release Distributions in Gas Turbine Combustors: Model Comparison and Validation

Noah Klarmann, Thomas Sattelmayer, Weiqun Geng, Benjamin Timo Zoller, Fulvio Magni
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A031, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57625
https://doi.org/10.1115/GT2016-57625
View Paper titled, Impact of Flame Stretch and Heat Loss on Heat Release Distributions in Gas Turbine Combustors: Model Comparison and Validation
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Topics: Combustion chambers, Flames, Gas turbines, Heat, Heat losses, Combustion, Flamelet generated manifold, Chemiluminescence, Dimensions, Emissions