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Proceedings Papers

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

Jonathan McClure, Mirko Bothien, Thomas Sattelmayer
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A031, June 13–17, 2022
Paper No: GT2022-81127
DOI: https://doi.org/10.1115/GT2022-81127
View Paper titled, High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames
Click here to open pdf in another window PDF for High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames
Topics: Acoustics, Flames, Mode shapes, Combustion chambers, Combustion systems, Stress, Atmospheric pressure, Combined cycles, Combustion, Engines
Proceedings Papers

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

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
Paper No: GT2022-82248
DOI: 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
Click here to open pdf in another window PDF for Experimental and Numerical Characterization of the Self-Excited Dynamics Behavior of a Technically Premixed Burner
Topics: Acoustics, Computational fluid dynamics, Computer simulation, Design, Dynamics (Mechanics), Flames, Fluctuations (Physics), Gas turbines, Large eddy simulation, Limit cycles
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
View Paper titled, Delay Identification in Thermoacoustics
Click here to open pdf in another window PDF for Delay Identification in Thermoacoustics
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
View Paper titled, Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response
Click here to open pdf in another window PDF for Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response
Topics: Flames, Acoustics, Combustion chambers, Fluctuations (Physics), Combustion, Oscillations, Temperature, Carbon, Chemistry, Computer simulation
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
View Paper titled, Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems
Click here to open pdf in another window PDF for Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems
Topics: Acoustics, Combustion chambers, Combustion systems, Damping, Density, Entropy, Flow (Dynamics), Gas turbines, Heat, Momentum
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
View Paper titled, Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor
Click here to open pdf in another window PDF for Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor
Topics: Combustion chambers, Hydrogen, Methane, Oscillations, Sound pressure, Cycles, Heat, Flames, Acoustics, Flow (Dynamics)
Proceedings Papers

Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel

Mattia Graiff, Marian Staggl, Emil Göttlich, Christian Wakelam
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A003, June 7–11, 2021
Paper No: GT2021-58667
DOI: https://doi.org/10.1115/GT2021-58667
View Paper titled, Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel
Click here to open pdf in another window PDF for Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel
Topics: Design, Flow (Dynamics), Wind tunnels, Cascades (Fluid dynamics), Ducts, Sealing (Process), Sound pressure, Temperature, Test facilities, Testing
Proceedings Papers

Data Driven Fault Detection of Premixer Centerbody Degradation in a Swirl Combustor

Raghul Manosh Kumar, Benjamin Peters, Benjamin Emerson, Kamran Paynabar, Nagi Gebraeel, Timothy Lieuwen
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A007, September 21–25, 2020
Paper No: GT2020-14222
DOI: https://doi.org/10.1115/GT2020-14222
View Paper titled, Data Driven Fault Detection of Premixer Centerbody Degradation in a Swirl Combustor
Click here to open pdf in another window PDF for Data Driven Fault Detection of Premixer Centerbody Degradation in a Swirl Combustor
Topics: Combustion chambers, Condition monitoring, Flaw detection, Algorithms, Flames, Gas turbines, Sensors, Sound pressure
Proceedings Papers

Measurements of Multiple Pure Tone Propagation From a High Bypass Turbofan Rotor in an Internal Flow Facility

Richard F. Bozak
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A002, September 21–25, 2020
Paper No: GT2020-14161
DOI: https://doi.org/10.1115/GT2020-14161
View Paper titled, Measurements of Multiple Pure Tone Propagation From a High Bypass Turbofan Rotor in an Internal Flow Facility
Click here to open pdf in another window PDF for Measurements of Multiple Pure Tone Propagation From a High Bypass Turbofan Rotor in an Internal Flow Facility
Topics: Internal flow, Rotors, Turbofans, Blades, Shock (Mechanics), Acoustics, Ducts, Pressure, Pressure transducers, Noise (Sound)
Proceedings Papers

Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation

M. Carreres, L. M. García-Cuevas, J. García-Tíscar, M. Belmar-Gil
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A027, September 21–25, 2020
Paper No: GT2020-14998
DOI: https://doi.org/10.1115/GT2020-14998
View Paper titled, Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation
Click here to open pdf in another window PDF for Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation
Topics: Emission spectroscopy, Large eddy simulation, Spectroscopy, Swirling flow, Combustion chambers, Acoustics, Computational fluid dynamics, Flow (Dynamics), Combustion, Computer simulation
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
View Paper titled, Protection and Identification of Thermoacoustic Azimuthal Modes
Click here to open pdf in another window PDF for Protection and Identification of Thermoacoustic Azimuthal Modes
Topics: Acoustics, Annulus, Combustion, Combustion chambers, Damping, Dynamic systems, Dynamics (Mechanics), Engines, Flames, Limit cycles
Proceedings Papers

Smart Passive Control of Thermoacoustic Instability in a Bluff-Body Stabilized Combustor: A Lagrangian Analysis of Critical Structures

C. P. Premchand, Manikandan Raghunathan, Midhun Raghunath, K. V. Reeja, R. I. Sujith, Vineeth Nair
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A040, September 21–25, 2020
Paper No: GT2020-16073
DOI: https://doi.org/10.1115/GT2020-16073
View Paper titled, Smart Passive Control of Thermoacoustic Instability in a Bluff-Body Stabilized Combustor: A Lagrangian Analysis of Critical Structures
Click here to open pdf in another window PDF for Smart Passive Control of Thermoacoustic Instability in a Bluff-Body Stabilized Combustor: A Lagrangian Analysis of Critical Structures
Topics: Combustion chambers, Passive control, Flow (Dynamics), Heat, Pressure, Fluctuations (Physics), Shear (Mechanics), Wavelet transforms, Acoustics, Dynamics (Mechanics)
Proceedings Papers

Identification of High-Frequency Transverse Acoustic Modes in Multi-Nozzle Can Combustors

J. Kim, W. Gillman, D. Wu, B. Emerson, V. Acharya, R. Mckinney, T. Lieuwen, M. Isono, T. Saitoh
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A051, September 21–25, 2020
Paper No: GT2020-16130
DOI: https://doi.org/10.1115/GT2020-16130
View Paper titled, Identification of High-Frequency Transverse Acoustic Modes in Multi-Nozzle Can Combustors
Click here to open pdf in another window PDF for Identification of High-Frequency Transverse Acoustic Modes in Multi-Nozzle Can Combustors
Topics: Acoustics, Combustion chambers, Nozzles, Finite element methods, Mode shapes, Pressure, Boundary-value problems, Combustion, Flames, Gas turbines
Proceedings Papers

Sound Power Measurements at Radial Compressors Using Compressed Sensing Based Signal Processing Methods

Jakob Hurst, Maximilian Behn, Ulf Tapken, Lars Enghardt
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT43A003, June 17–21, 2019
Paper No: GT2019-90782
DOI: https://doi.org/10.1115/GT2019-90782
View Paper titled, Sound Power Measurements at Radial Compressors Using Compressed Sensing Based Signal Processing Methods
Click here to open pdf in another window PDF for Sound Power Measurements at Radial Compressors Using Compressed Sensing Based Signal Processing Methods
Topics: Compressors, Signal processing, Algorithms, Sensors, Acoustics, Engineering simulation, Resolution (Optics), Simulation, Sound pressure
Proceedings Papers

On the Interaction of Swirling Flames in a Lean Premixed Combustor

Gopakumar Ramachandran, Ankit Kumar Dutta, Harish Durairaj, Swetaprovo Chaudhuri
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A041, June 17–21, 2019
Paper No: GT2019-90679
DOI: https://doi.org/10.1115/GT2019-90679
View Paper titled, On the Interaction of Swirling Flames in a Lean Premixed Combustor
Click here to open pdf in another window PDF for On the Interaction of Swirling Flames in a Lean Premixed Combustor
Topics: Combustion chambers, Flames, Swirling flow, Flow (Dynamics), Nozzles, Emissions, Gas turbines, Ignition, Chemiluminescence, Density
Proceedings Papers

Impact of Combustion Chamber Dynamics on the Temperature Distribution in a Resonator

Michael Betz, Max Zahn, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A012, June 17–21, 2019
Paper No: GT2019-90239
DOI: https://doi.org/10.1115/GT2019-90239
View Paper titled, Impact of Combustion Chamber Dynamics on the Temperature Distribution in a Resonator
Click here to open pdf in another window PDF for Impact of Combustion Chamber Dynamics on the Temperature Distribution in a Resonator
Topics: Combustion chambers, Dynamics (Mechanics), Temperature distribution, Temperature, Cavities, Sound pressure, Flow (Dynamics), Air flow, Cooling, Cycles
Proceedings Papers

Lagrangian Saddle Point Analysis in the Flow-Field of a Bluff-Body Stabilized Combustor

C. P. Premchand, Nitin B. George, Manikandan Raghunathan, Vishnu R. Unni, R. I. Sujith, Vineeth Nair
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A041, June 17–21, 2019
Paper No: GT2019-91713
DOI: https://doi.org/10.1115/GT2019-91713
View Paper titled, Lagrangian Saddle Point Analysis in the Flow-Field of a Bluff-Body Stabilized Combustor
Click here to open pdf in another window PDF for Lagrangian Saddle Point Analysis in the Flow-Field of a Bluff-Body Stabilized Combustor
Topics: Combustion chambers, Flow (Dynamics), Heat, Acoustics, Dynamics (Mechanics), Flames, Fluctuations (Physics), Pressure, Sound pressure, Turbulence
Proceedings Papers

Adjoint Methods for Elimination of Thermoacoustic Oscillations in a Model Annular Combustor via Small Geometry Modifications

José G. Aguilar, Matthew P. Juniper
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A054, June 11–15, 2018
Paper No: GT2018-75692
DOI: https://doi.org/10.1115/GT2018-75692
View Paper titled, Adjoint Methods for Elimination of Thermoacoustic Oscillations in a Model Annular Combustor via Small Geometry Modifications
Click here to open pdf in another window PDF for Adjoint Methods for Elimination of Thermoacoustic Oscillations in a Model Annular Combustor via Small Geometry Modifications
Topics: Combustion chambers, Geometry, Oscillations, Acoustics, Delays, Flames, Heat, Sensitivity analysis, Sound pressure, Boundary-value problems
Proceedings Papers

Thermoacoustic Instability Model With Porous Media: Linear Stability Analysis and the Impact of Porous Media

Cody S. Dowd, Joseph W. Meadows
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A019, June 11–15, 2018
Paper No: GT2018-75406
DOI: https://doi.org/10.1115/GT2018-75406
View Paper titled, Thermoacoustic Instability Model With Porous Media: Linear Stability Analysis and the Impact of Porous Media
Click here to open pdf in another window PDF for Thermoacoustic Instability Model With Porous Media: Linear Stability Analysis and the Impact of Porous Media
Topics: Porous materials, Stability, Acoustics, Bulk modulus, Combustion systems, Damping, Delays, Ducts, Electrical resistivity, Flames
Proceedings Papers

Part-Load Limit Reduction of a Frame 9E Using a Precursor for Combustion Dynamics

Driek Rouwenhorst, Robert Widhopf-Fenk, Jakob Hermann, Matthias Häringer, Julius Becker, Jürgen Gerhard, Julian Niedermeier
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A028, June 11–15, 2018
Paper No: GT2018-75468
DOI: https://doi.org/10.1115/GT2018-75468
View Paper titled, Part-Load Limit Reduction of a Frame 9E Using a Precursor for Combustion Dynamics
Click here to open pdf in another window PDF for Part-Load Limit Reduction of a Frame 9E Using a Precursor for Combustion Dynamics
Topics: Combustion, Dynamics (Mechanics), Stress, Gas turbines, Emissions, Acoustics, Combined cycle power stations, Combustion chambers, Control systems, Electric power generation