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Proceedings Papers

Low-Order Modeling of Can-Annular Combustors

Guillaume J. J. Fournier, Max Meindl, Camilo F. Silva, Giulio Ghirardo, Mirko R. Bothien, Wolfgang Polifke
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A027, June 7–11, 2021
Paper No: GT2021-58947
DOI: https://doi.org/10.1115/GT2021-58947
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Topics: Combustion chambers, Modeling, Acoustics, Engineering simulation, Reflectance, Simulation, Annulus, Compressors, Electrical conductivity, Experimental design
Proceedings Papers

Design and Validation of a Novel Test-Rig for RQL Flame Dynamics Studies

Martin March, Julian Renner, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A007, June 7–11, 2021
Paper No: GT2021-58602
DOI: https://doi.org/10.1115/GT2021-58602
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Topics: Design, Dynamics (Mechanics), Flames, Acoustics, Aircraft engines, Combustion, Combustion chambers, Combustion gases, Damping, Ducts
Proceedings Papers

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A051, June 7–11, 2021
Paper No: GT2021-59321
DOI: https://doi.org/10.1115/GT2021-59321
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Topics: Acoustics, Damping, Optimization, Combustion chambers, Flow (Dynamics), Porosity, Density, Eigenvalues, Fluctuations (Physics), Modeling
Proceedings Papers

Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on PIV Data

Jens Satria Müller, Finn Lückoff, Thomas Ludwig Kaiser, Christian Oliver Paschereit, Kilian Oberleithner
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A021, June 7–11, 2021
Paper No: GT2021-58832
DOI: https://doi.org/10.1115/GT2021-58832
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Topics: Combustion chambers, Fluctuations (Physics), Modeling, Flow (Dynamics), Waves, Acoustics, Combustion systems, Flames, Flow instability, Fluid mechanics
Proceedings Papers

On the Effect of Noise Induced Dynamics on Linear Growth Rates of Oscillations in an Electroacoustic Rijke Tube Simulator

Neha Vishnoi, Pankaj Wahi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A013, June 7–11, 2021
Paper No: GT2021-58691
DOI: https://doi.org/10.1115/GT2021-58691
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Topics: Dynamics (Mechanics), Noise (Sound), Oscillations, Stability, Combustion chambers, Acoustics, Gas turbines, Bifurcation, Combustion, Damping
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

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
Paper No: GT2021-58862
DOI: https://doi.org/10.1115/GT2021-58862
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Topics: Acoustics, Air flow, Jet engines, Sprays, Combustion chambers, Emissions, Excitation, Oscillations, Drops, Flames
Proceedings Papers

Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations

Jihang Li, Hyunguk Kwon, Drue Seksinsky, Daniel Doleiden, Jacqueline O’Connor, Yuan Xuan, Michel Akiki, James Blust
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A040, June 7–11, 2021
Paper No: GT2021-59117
DOI: https://doi.org/10.1115/GT2021-59117
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Topics: Flames, Simulation, Combustion chambers, Oscillations, Combustion, Flow (Dynamics), Emissions, Gas turbines, Gases, Acoustics
Proceedings Papers

Influence of Hole-to-Hole Interaction on the Acoustic Behavior of Multi-Orifice Perforated Plates

Alireza Javareshkian, Alexis Dancelme, Hongyu Chen, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A006, June 7–11, 2021
Paper No: GT2021-58535
DOI: https://doi.org/10.1115/GT2021-58535
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Topics: Acoustics, Plates (structures), Radiation (Physics)
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
Paper No: GT2021-58903
DOI: https://doi.org/10.1115/GT2021-58903
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Topics: Delays, Thermoacoustics, Flames, Noise (Sound), Acoustics, Combustion, Time series, Damping, Dynamics (Mechanics), Engineering simulation
Proceedings Papers

Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response

Harish S. Gopalakrishnan, Andrea Gruber, Jonas Moeck
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A052, June 7–11, 2021
Paper No: GT2021-59351
DOI: https://doi.org/10.1115/GT2021-59351
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Topics: Flames, Acoustics, Combustion chambers, Fluctuations (Physics), Combustion, Oscillations, Temperature, Carbon, Chemistry, Computer simulation
Proceedings Papers

Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially-Premixed Flame

Ashwini Karmarker, Jacqueline O’Connor, Isaac Boxx
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A039, June 7–11, 2021
Paper No: GT2021-59113
DOI: https://doi.org/10.1115/GT2021-59113
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Topics: Flames, Flow (Dynamics), Combustion chambers, Gas turbines, Oscillations, Combustion, Dynamics (Mechanics), Fluctuations (Physics), Fluorescence, Fuels
Proceedings Papers

Comparison of Model Order Reduction Methods in Thermoacoustic Stability Analysis

Naman Purwar, Maximilian Meindl, Wolfgang Polifke
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A021, June 7–11, 2021
Paper No: GT2021-59972
DOI: https://doi.org/10.1115/GT2021-59972
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Topics: Stability, Acoustics, Flames, Cavities, Transfer functions, Algorithms, Computation, Optimization, Wave propagation
Proceedings Papers

The Effects of Forcing Direction on the Flame Transfer Function of a Lean-Burn Spray Flame

Nicholas C. W. Treleaven, André Fischer, Claus Lahiri, Max Staufer, Andrew Garmory, Gary J. Page
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A010, June 7–11, 2021
Paper No: GT2021-59553
DOI: https://doi.org/10.1115/GT2021-59553
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Topics: Flames, Sprays, Transfer functions, Simulation, Engineering simulation, Acoustics, Fluctuations (Physics), Heat, Microphones, Fuel injectors
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

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
Paper No: GT2021-59561
DOI: https://doi.org/10.1115/GT2021-59561
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Topics: Acoustics, Aircraft, Energy budget (Physics), Flames, Fuel injectors, Thermoacoustics, Transfer functions, Aircraft engines, Combustion chambers, Combustion systems
Proceedings Papers

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

Pedro Romero Vega, Thomas Hofmeister, Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 7–11, 2021
Paper No: GT2021-60055
DOI: https://doi.org/10.1115/GT2021-60055
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Topics: Acoustics, Combustion chambers, Combustion systems, Damping, Density, Entropy, Flow (Dynamics), Gas turbines, Heat, Momentum
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

Flow Response of an Industrial Gas Turbine Combustor To Acoustic Forcing Extracted From Unforced Data

Jan Paul Beuth, Jakob G. R. von Saldern, Thomas Ludwig Kaiser, Thoralf G. Reichel, Christian Oliver Paschereit, Bernhard Ćosić, Kilian Oberleithner
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A015, June 7–11, 2021
Paper No: GT2021-59718
DOI: https://doi.org/10.1115/GT2021-59718
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Topics: Acoustics, Combustion chambers, Flow (Dynamics), Industrial gases, Turbines, Flames, Dynamics (Mechanics), Fluctuations (Physics), Combustion systems, Emissions