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Journal Articles

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

Moritz Merk, Philip E. Buschmann, Jonas P. Moeck, Wolfgang Polifke

J. Eng. Gas Turbines Power. February 2023, 145(2): 021028.

Paper No: GTP-22-1336

DOI: https://doi.org/10.1115/1.4055583

Published Online: December 13, 2022

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Topics: Eigenvalues, Approximation

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

Paper No: GT2022-79653

DOI: https://doi.org/10.1115/GT2022-79653

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Topics: Approximation, Eigenvalues, Combustion chambers, Flames, Thermoacoustics

Proceedings Papers

Interplay of Clusters of Acoustic and Intrinsic Thermoacoustic Modes in Can-Annular Combustors

Guillaume J. J. Fournier, Felicitas Schaefer, Matthias Haeringer, Camilo F. Silva, Wolfgang Polifke

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A026, June 13–17, 2022

Paper No: GT2022-80785

DOI: https://doi.org/10.1115/GT2022-80785

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Topics: Acoustics, Combustion chambers, Cavities, Dimensionless numbers, Eigenvalues, Flames, Flow (Dynamics), Gas turbines, Network models, Switches

Journal Articles

Interplay of Clusters of Acoustic and Intrinsic Thermoacoustic Modes in Can-Annular Combustors

Guillaume J. J. Fournier, Felicitas Schaefer, Matthias Haeringer, Camilo F. Silva, Wolfgang Polifke

J. Eng. Gas Turbines Power. December 2022, 144(12): 121015.

Paper No: GTP-22-1285

DOI: https://doi.org/10.1115/1.4055381

Published Online: October 14, 2022

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Topics: Acoustics, Combustion chambers, Flames, Eigenvalues, Modeling

Journal Articles

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

Felicitas Schäfer, Luca Magri, Wolfgang Polifke

J. Eng. Gas Turbines Power. March 2022, 144(3): 031017.

Paper No: GTP-21-1302

DOI: https://doi.org/10.1115/1.4051959

Published Online: January 3, 2022

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Topics: Combustion chambers, Ducts, Eigenvalues, Feedback, Flames, Network models, Optimization, S-matrix theory

Journal Articles

Comparison of Model Order Reduction Methods in Thermo-Acoustic Stability Analysis

Naman Purwar, Maximilian Meindl, Wolfgang Polifke

J. Eng. Gas Turbines Power. February 2022, 144(2): 021004.

Paper No: GTP-21-1331

DOI: https://doi.org/10.1115/1.4052096

Published Online: November 1, 2021

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Topics: Acoustics, Flames, Cavities, Transfer functions, Eigenvalues

Journal Articles

Low-Order Modeling of Can-Annular Combustors

Guillaume J. J. Fournier, Max Meindl, Camilo F. Silva, Giulio Ghirardo, Mirko R. Bothien, Wolfgang Polifke

J. Eng. Gas Turbines Power. December 2021, 143(12): 121004.

Paper No: GTP-21-1311

DOI: https://doi.org/10.1115/1.4051954

Published Online: October 4, 2021

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Topics: Acoustics, Annulus, Combustion chambers, Electrical conductivity, Flow (Dynamics), Modeling, Reflectance, Simulation, Thermal conductivity, Waves

Journal Articles

Confidence in Flame Impulse Response Estimation From Large Eddy Simulation With Uncertain Thermal Boundary Conditions

Sagar Kulkarni, Shuai Guo, Camilo F. Silva, Wolfgang Polifke

J. Eng. Gas Turbines Power. December 2021, 143(12): 121002.

Paper No: GTP-21-1276

DOI: https://doi.org/10.1115/1.4052022

Published Online: October 4, 2021

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Topics: Boundary-value problems, Combustion chambers, Flames, Temperature, Uncertainty, Impulse (Physics), Uncertainty quantification, Large eddy simulation, Topology

Journal Articles

Enhanced Longitudinal Heat Transfer in Oscillatory Channel Flow—A Theoretical Perspective

Simon H. van Buren, Wolfgang Polifke

J. Fluids Eng. December 2021, 143(12): 121111.

Paper No: FE-21-1055

DOI: https://doi.org/10.1115/1.4052067

Published Online: October 1, 2021

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Topics: Channel flow, Fluids, Heat transfer, Oscillations, Prandtl number, Thermal boundary layers, Thermal diffusivity, Boundary layers, Thermal conductivity, Temperature

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

Confidence in Flame Impulse Response Estimation From LES With Uncertain Thermal Boundary Conditions

Sagar Kulkarni, Shuai Guo, Camilo F. Silva, Wolfgang Polifke

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 7–11, 2021

Paper No: GT2021-58352

DOI: https://doi.org/10.1115/GT2021-58352

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Topics: Boundary-value problems, Flames, Impulse (Physics), Uncertainty, Combustion chambers, Temperature, Dynamic response, Stability, Combustion, Dynamics (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

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

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

Fellcitas Schäfer, Luca Magri, Wolfgang Polifke

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A018, June 7–11, 2021

Paper No: GT2021-59866

DOI: https://doi.org/10.1115/GT2021-59866

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Topics: Network models, Optimization, Combustion chambers, Computation, Dampers, Ducts, S-matrix theory

Journal Articles

A Strategy to Tune Acoustic Terminations of Single-Can Test-Rigs to Mimic Thermoacoustic Behavior of a Full Engine

Matthias Haeringer, Guillaume J. J. Fournier, Max Meindl, Wolfgang Polifke

J. Eng. Gas Turbines Power. July 2021, 143(7): 071029.

Paper No: GTP-20-1545

DOI: https://doi.org/10.1115/1.4048642

Published Online: March 31, 2021

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Topics: Acoustics, Combustion chambers, Engines, Reflectance, Ducts, Waves, Network models

Journal Articles

Low-Order Modeling to Investigate Clusters of Intrinsic Thermoacoustic Modes in Annular Combustors

Guillaume J. J. Fournier, Matthias Haeringer, Camilo F. Silva, Wolfgang Polifke

J. Eng. Gas Turbines Power. April 2021, 143(4): 041025.

Paper No: GTP-20-1530

DOI: https://doi.org/10.1115/1.4049356

Published Online: March 10, 2021

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Topics: Acoustics, Combustion chambers, Flames, Flow (Dynamics), Junctions, Reflectance, Waves, Boundary-value problems, Modeling, Heat

Journal Articles

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

Felicitas Schaefer, Shuai Guo, Wolfgang Polifke

J. Eng. Gas Turbines Power. February 2021, 143(2): 021010.

Paper No: GTP-20-1546

DOI: https://doi.org/10.1115/1.4049351

Published Online: January 18, 2021

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Topics: Eigenvalues, Flames, Stability, Uncertainty, Combustion chambers

Proceedings Papers

Reliable Calculation of Thermoacoustic Instability Risk Using an Imperfect Surrogate Model

Shuai Guo, Camilo F. Silva, Wolfgang Polifke

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A021, September 21–25, 2020

Paper No: GT2020-14434

DOI: https://doi.org/10.1115/GT2020-14434

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Topics: Risk, Uncertainty, Boundary-value problems, Combustion chambers, Design, Gas turbines, Modeling, Probability, Simulation

Proceedings Papers

Online Detection of Combustion Instabilities Using Supervised Machine Learning

Michael McCartney, Thomas Indlekofer, Wolfgang Polifke

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A045, September 21–25, 2020

Paper No: GT2020-14834

DOI: https://doi.org/10.1115/GT2020-14834

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Topics: Combustion, Machine learning, Signals, Pressure, Combustion chambers

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

DOI: https://doi.org/10.1115/GT2020-15496

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Topics: Reliability, Stability, Eigenvalues, Flames, Algorithms, Computation, Dynamics (Mechanics), Eigenfunctions, Modeling, Numerical stability

Proceedings Papers

Low-Order Modeling to Investigate Clusters of ITA Modes in Annular Combustors

Guillaume J. J. Fournier, Matthias Haeringer, Camilo F. Silva, Wolfgang Polifke

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A031, September 21–25, 2020

Paper No: GT2020-15985

DOI: https://doi.org/10.1115/GT2020-15985

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Topics: Combustion chambers, Modeling, Acoustics, Flames, Flow (Dynamics), Reflectance

2 3 4

Journal citation

NARROW

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

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

Interplay of Clusters of Acoustic and Intrinsic Thermoacoustic Modes in Can-Annular Combustors

Interplay of Clusters of Acoustic and Intrinsic Thermoacoustic Modes in Can-Annular Combustors

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

Comparison of Model Order Reduction Methods in Thermo-Acoustic Stability Analysis

Low-Order Modeling of Can-Annular Combustors

Confidence in Flame Impulse Response Estimation From Large Eddy Simulation With Uncertain Thermal Boundary Conditions

Enhanced Longitudinal Heat Transfer in Oscillatory Channel Flow—A Theoretical Perspective

Low-Order Modeling of Can-Annular Combustors

Confidence in Flame Impulse Response Estimation From LES With Uncertain Thermal Boundary Conditions

Comparison of Model Order Reduction Methods in Thermoacoustic Stability Analysis

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

A Strategy to Tune Acoustic Terminations of Single-Can Test-Rigs to Mimic Thermoacoustic Behavior of a Full Engine

Low-Order Modeling to Investigate Clusters of Intrinsic Thermoacoustic Modes in Annular Combustors

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

Reliable Calculation of Thermoacoustic Instability Risk Using an Imperfect Surrogate Model

Online Detection of Combustion Instabilities Using Supervised Machine Learning

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

Low-Order Modeling to Investigate Clusters of ITA Modes in Annular Combustors

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