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Proceedings Papers

Acoustic Flame Transfer Function Measurements in a Liquid Fueled High Pressure Aero-Engine Combustor

Krishna Venkatesan, Arin Cross, Fei Han
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A049, June 13–17, 2022
Paper No: GT2022-81769
https://doi.org/10.1115/GT2022-81769
View Paper titled, Acoustic Flame Transfer Function Measurements in a Liquid Fueled High Pressure Aero-Engine Combustor
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Topics: Acoustics, Aircraft engines, Combustion chambers, Flames, High pressure (Physics), Microphones, Transfer functions
Proceedings Papers

An Analytical-Empirical Approach to Model Liquid Fuel Combustion Dynamics

Nicholas Magina, Fei Han, Janith Samarasinghe, Krishna Venkatesan
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A047, June 13–17, 2022
Paper No: GT2022-81745
https://doi.org/10.1115/GT2022-81745
View Paper titled, An Analytical-Empirical Approach to Model Liquid Fuel Combustion Dynamics
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Topics: Acoustics, Combustion, Combustion chambers, Dynamics (Mechanics), Flames, Fuels, Transfer functions
Proceedings Papers

Dynamic Response of Stratified Flames to Acoustic Excitation in a Multi-Swirler Model Combustor

Weijie Liu, Ming Jin, Bing Ge, Ranran Xue, He Su, Shusheng Zang
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A035, June 13–17, 2022
Paper No: GT2022-82871
https://doi.org/10.1115/GT2022-82871
View Paper titled, Dynamic Response of Stratified Flames to Acoustic Excitation in a Multi-Swirler Model Combustor
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Topics: Acoustics, Combustion chambers, Dynamic response, Excitation, Flames, Flow (Dynamics), Principal component analysis, Swirling flow, Transfer functions
Proceedings Papers

The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame

Aksel Ånestad, Byeonguk Ahn, Håkon T. Nygård, Nicholas A. Worth
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A041, June 13–17, 2022
Paper No: GT2022-83014
https://doi.org/10.1115/GT2022-83014
View Paper titled, The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame
Open the PDF for The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame in another window
Topics: Flames, Swirling flow, Transfer functions, Turbulence, Dynamics (Mechanics), Flow (Dynamics), Heat, Oscillations, Shapes
Proceedings Papers

Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation

Fernando Biagioli, Holger Luebcke, Ammar Lamraoui, Khawar J. Syed, André Theuer
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A025, June 13–17, 2022
Paper No: GT2022-82592
https://doi.org/10.1115/GT2022-82592
View Paper titled, Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation
Open the PDF for Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation in another window
Topics: Combustion, Combustion chambers, Emissions, Flames, Gas turbines, Temperature, Fuels, Mach number, Flow (Dynamics), Pressure drop
Proceedings Papers

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

Samuel Wiseman, Andrea Gruber, James R. Dawson
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A049, June 13–17, 2022
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
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Topics: Flames, Hydrogen, Nitrogen, Transfer functions, Turbulence, Methane, Gas turbines, Fuels, Chemiluminescence, Collapse
Proceedings Papers

A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations

Gerrit Heilmann, Tong Liu, Pedro Romero Vega, Thomas Sattelmayer
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A029, June 13–17, 2022
Paper No: GT2022-82637
https://doi.org/10.1115/GT2022-82637
View Paper titled, A Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations
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Topics: Computation, Entropy, Stability, Flames, Acoustics, Frequency response, Combustion chambers, Flow (Dynamics), Fluctuations (Physics), Heat
Proceedings Papers

From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames

Abdulla Ghani, Alp Albayrak
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A058, June 13–17, 2022
Paper No: GT2022-84357
https://doi.org/10.1115/GT2022-84357
View Paper titled, From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames
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Topics: Flames, Pressure, Swirling flow, Time series, Transfer functions, Optimization, Combustion, Turbulence, Acoustics, Combustion chambers
Proceedings Papers

An Approach to Measure Total-Head in Wakes and Near End Walls at High Fogging Conditions

Janneck Harbeck, Silvio Geist, Markus Schatz
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A008, June 7–11, 2021
Paper No: GT2021-59190
https://doi.org/10.1115/GT2021-59190
View Paper titled, An Approach to Measure Total-Head in Wakes and Near End Walls at High Fogging Conditions
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Topics: Wakes, Flow (Dynamics), Drops, Pressure, Probes, Cascades (Fluid dynamics), Underground injection, Water, Blades, Compressors
Proceedings Papers

Experimental Development of On-Line Flame Transfer Function Measurements for Fielded Gas Turbines

Austin Matthews, Anna Cobb, Subodh Adhikari, David Wu, Tim Lieuwen, Jim Blust, Benjamin Emerson
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T09A006, June 7–11, 2021
Paper No: GT2021-59317
https://doi.org/10.1115/GT2021-59317
View Paper titled, Experimental Development of On-Line Flame Transfer Function Measurements for Fielded Gas Turbines
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Topics: Flames, Gas turbines, Transfer functions
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
https://doi.org/10.1115/GT2021-58832
View Paper titled, Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on PIV Data
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Topics: Combustion chambers, Fluctuations (Physics), Modeling, Flow (Dynamics), Waves, Acoustics, Combustion systems, Flames, Flow instability, Fluid mechanics
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
https://doi.org/10.1115/GT2021-59972
View Paper titled, Comparison of Model Order Reduction Methods in Thermoacoustic Stability Analysis
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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
https://doi.org/10.1115/GT2021-59553
View Paper titled, The Effects of Forcing Direction on the Flame Transfer Function of a Lean-Burn Spray Flame
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Topics: Flames, Sprays, Transfer functions, Simulation, Engineering simulation, Acoustics, Fluctuations (Physics), Heat, Microphones, Fuel injectors
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
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

Acoustic-Convective Interference In Transfer Functions of Methane/Hydrogen and Pure Hydrogen Flames

Eirik Æsøy, José G. Aguilar, Mirko R. Bothien, Nicholas A. Worth, James R. Dawson
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A028, June 7–11, 2021
Paper No: GT2021-60058
https://doi.org/10.1115/GT2021-60058
View Paper titled, Acoustic-Convective Interference In Transfer Functions of Methane/Hydrogen and Pure Hydrogen Flames
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Topics: Acoustics, Flames, Hydrogen, Methane, Transfer functions, Flow (Dynamics), Ejectors, Screws, Excitation, Geometry
Proceedings Papers

Transfer Function Based Optimization of Film Hole Sizes With Conjugate Heat Transfer Analysis

Sandip Dutta, Reid Smith
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A003, September 21–25, 2020
Paper No: GT2020-14137
https://doi.org/10.1115/GT2020-14137
View Paper titled, Transfer Function Based Optimization of Film Hole Sizes With Conjugate Heat Transfer Analysis
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Topics: Heat transfer, Optimization, Transfer functions
Proceedings Papers

Flame Transfer Functions and Dynamics of a Closely Confined Premixed Bluff Body Stabilised Flame With Swirl

Håkon T. Nygård, Nicholas A. Worth
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A066, September 21–25, 2020
Paper No: GT2020-15176
https://doi.org/10.1115/GT2020-15176
View Paper titled, Flame Transfer Functions and Dynamics of a Closely Confined Premixed Bluff Body Stabilised Flame With Swirl
Open the PDF for Flame Transfer Functions and Dynamics of a Closely Confined Premixed Bluff Body Stabilised Flame With Swirl in another window
Topics: Dynamics (Mechanics), Flames, Transfer functions, Arches, Combustion chambers, Cycles, Geometry, Heat, Oscillations
Proceedings Papers

The Impact of Exceptional Points on the Reliability of Thermoacoustic Stability Analysis

Felicitas Schäfer, Shuai Guo, Wolfgang Polifke
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A014, September 21–25, 2020
Paper No: GT2020-15496
https://doi.org/10.1115/GT2020-15496
View Paper titled, The Impact of Exceptional Points on the Reliability of Thermoacoustic Stability Analysis
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Topics: Reliability, Stability, Eigenvalues, Flames, Algorithms, Computation, Dynamics (Mechanics), Eigenfunctions, Modeling, Numerical stability
Proceedings Papers

The Dynamic Calibration Uncertainty of Fast Response Pressure Probes

Elissavet Boufidi, Fabrizio Fontaneto
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A011, September 21–25, 2020
Paper No: GT2020-14680
https://doi.org/10.1115/GT2020-14680
View Paper titled, The Dynamic Calibration Uncertainty of Fast Response Pressure Probes
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Topics: Calibration, Pressure, Probes, Uncertainty, Shock tubes, Oscillations, Transfer functions, Cavities, Errors, Sensors
Proceedings Papers

Transfer Function Modeling and Experimental Variation of Rotor System Considering Morton Effect Caused in Journal Bearing

Shota Yabui, Jotaro Chiba, Takafumi Suzuki, Shigeyuki Tomimatsu, Tsuyoshi Inoue
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A008, June 17–21, 2019
Paper No: GT2019-91135
https://doi.org/10.1115/GT2019-91135
View Paper titled, Transfer Function Modeling and Experimental Variation of Rotor System Considering Morton Effect Caused in Journal Bearing
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Topics: Journal bearings, Modeling, Rotors, Transfer functions, Vibration, Machinery, Computational fluid dynamics, Frequency response, Computer simulation, Construction