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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

Flame Response of a Lean Premixed Swirl Flame to High Frequency Azimuthal Forcing

Tobias O. Mangold, Alessandro Orchini, Christian Oliver Paschereit, Jonas P. Moeck, Myles D. Bohon

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A057, June 13–17, 2022

Paper No: GT2022-84211

DOI: https://doi.org/10.1115/GT2022-84211

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Topics: Flames, Acoustics, Excitation, Wavelength, Chemiluminescence, Combustion chambers, Longitudinal waves, Turbulence, Waves

Journal Articles

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

J. Eng. Gas Turbines Power. December 2021, 143(12): 121024.

Paper No: GTP-21-1352

DOI: https://doi.org/10.1115/1.4052077

Published Online: October 13, 2021

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Topics: Acoustics, Combustion chambers, Damping, Reflectance, Mach number, Porosity

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

Journal Articles

Effect of an Azimuthal Mean Flow on the Structure and Stability of Thermoacoustic Modes in an Annular Combustor Model With Electroacoustic Feedback

Sylvain C. Humbert, Jonas P. Moeck, Alessandro Orchini, Christian Oliver Paschereit

J. Eng. Gas Turbines Power. June 2021, 143(6): 061026.

Paper No: GTP-20-1401

DOI: https://doi.org/10.1115/1.4048693

Published Online: March 31, 2021

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Topics: Acoustics, Flow (Dynamics), Mach number, Oscillations, Spin (Aerodynamics), Spinning (Textile), Feedback, Damping, Flames

Journal Articles

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

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck

J. Eng. Gas Turbines Power. July 2021, 143(7): 071019.

Paper No: GTP-20-1439

DOI: https://doi.org/10.1115/1.4049162

Published Online: March 31, 2021

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Topics: Acoustics, Boundary-value problems, Combustion chambers, Eigenvalues, Flames

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

Paper No: GT2020-14665

DOI: https://doi.org/10.1115/GT2020-14665

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Topics: Boundary-value problems, Combustion chambers, Acoustics, Eigenvalues, Waves, Combustion systems, Compressors, Electrical conductivity, Flames, Frequency response

Proceedings Papers

Effect of an Azimuthal Mean Flow on the Structure and Stability of Thermoacoustic Modes in an Annular Combustor Model With Electroacoustic Feedback

Sylvain C. Humbert, Jonas P. Moeck, Alessandro Orchini, Christian Oliver Paschereit

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A045, September 21–25, 2020

Paper No: GT2020-16091

DOI: https://doi.org/10.1115/GT2020-16091

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Topics: Acoustics, Combustion chambers, Damping, Feedback, Flow (Dynamics), Oscillations, Stability

Journal Articles

Solution of Thermoacoustic Eigenvalue Problems With a Noniterative Method

Philip E. Buschmann, Georg A. Mensah, Franck Nicoud, Jonas P. Moeck

J. Eng. Gas Turbines Power. March 2020, 142(3): 031022.

Paper No: GTP-19-1413

DOI: https://doi.org/10.1115/1.4045076

Published Online: February 10, 2020

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Topics: Combustion chambers, Eigenvalues, Flames, Computation

Proceedings Papers

Solution of Thermoacoustic Eigenvalue Problems With a Non-Iterative Method

Philip E. Buschmann, Georg A. Mensah, Franck Nicoud, Jonas P. Moeck

Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A051, June 17–21, 2019

Paper No: GT2019-90834

DOI: https://doi.org/10.1115/GT2019-90834

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Topics: Eigenvalues, Combustion chambers, Flames, Oscillations, Stability, Combustion, Computation, Dynamics (Mechanics), Finite element analysis, Gas turbines

Journal Articles

Effects of Asymmetry on Thermoacoustic Modes in Annular Combustors: A Higher-Order Perturbation Study

Georg A. Mensah, Luca Magri, Alessandro Orchini, Jonas P. Moeck

J. Eng. Gas Turbines Power. April 2019, 141(4): 041030.

Paper No: GTP-18-1358

DOI: https://doi.org/10.1115/1.4041007

Published Online: December 7, 2018

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Topics: Combustion chambers, Eigenvalues, Flames, Perturbation theory, Transfer functions, Design, Waves, Stability

Journal Articles

Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors

Alessandro Orchini, Georg A. Mensah, Jonas P. Moeck

J. Eng. Gas Turbines Power. February 2019, 141(2): 021002.

Paper No: GTP-18-1356

DOI: https://doi.org/10.1115/1.4040768

Published Online: September 19, 2018

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Topics: Acoustics, Combustion chambers, Limit cycles, Spin (Aerodynamics), Spinning (Textile), Stability, Flames, Heat, Synchronization, Oscillations

Proceedings Papers

Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors

Alessandro Orchini, Georg A. Mensah, Jonas P. Moeck

Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A017, June 11–15, 2018

Paper No: GT2018-75361

DOI: https://doi.org/10.1115/GT2018-75361

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Topics: Combustion chambers, Stability, Geometry, Network models, Numerical analysis

Proceedings Papers

Effects of Asymmetry on Thermoacoustic Modes in Annular Combustors: A Higher-Order Perturbation Study

Georg A. Mensah, Luca Magri, Alessandro Orchini, Jonas P. Moeck

Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A034, June 11–15, 2018

Paper No: GT2018-76797

DOI: https://doi.org/10.1115/GT2018-76797

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Topics: Combustion chambers, Design, Stability, Dampers, Eigenvalues, Flames, Gas turbines, Geometry, Perturbation theory, Transfer functions

Journal Articles

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

Georg A. Mensah, Luca Magri, Jonas P. Moeck

J. Eng. Gas Turbines Power. June 2018, 140(6): 061501.

Paper No: GTP-17-1375

DOI: https://doi.org/10.1115/1.4038156

Published Online: January 17, 2018

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Topics: Combustion chambers, Eigenvalues, Flames, Perturbation theory, Risk, Stability, Uncertainty quantification, Network models, Waves, Computation

Proceedings Papers

Acoustic Combustor Forcing by Unsteady Air Injection Into a Nozzle With High Subsonic Mean Flow

Sebastian Niether, Niclas Hanraths, C. Oliver Paschereit, Lukasz Panek, Jonas P. Moeck

Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A032, June 26–30, 2017

Paper No: GT2017-64608

DOI: https://doi.org/10.1115/GT2017-64608

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Topics: Acoustics, Combustion chambers, Flow (Dynamics), Nozzles, Combustion, Actuators, Air flow, Excitation, Gas flow, Sound pressure

Proceedings Papers

Limit Cycles of Spinning Thermoacoustic Modes in Annular Combustors: A Bloch-Wave and Adjoint-Perturbation Approach

Georg A. Mensah, Jonas P. Moeck

Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A046, June 26–30, 2017

Paper No: GT2017-64817

DOI: https://doi.org/10.1115/GT2017-64817

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Topics: Combustion chambers, Limit cycles, Spin (Aerodynamics), Spinning (Textile), Waves, Flames, Combustion systems, Computation, Perturbation theory, Stability

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

Paper No: GT2017-64829

DOI: https://doi.org/10.1115/GT2017-64829

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Topics: Stability, Uncertainty quantification, Uncertainty, Combustion chambers, Eigenvalues, Flames, Gas turbines, Network models, Risk, Algebra

Proceedings Papers

An Onion Peeling Reconstruction of the Spatial Characteristics of Entropy Waves in a Model Gas Turbine Combustor

Dominik Wassmer, Felix Pause, Bruno Schuermans, Christian Oliver Paschereit, Jonas P. Moeck

Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A037, June 26–30, 2017

Paper No: GT2017-64717

DOI: https://doi.org/10.1115/GT2017-64717

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Topics: Combustion chambers, Entropy, Gas turbines, Waves, Acoustics, Noise (Sound), Turbines, Flight, Fluctuations (Physics), Gas discharge (Electric discharge)

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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

Flame Response of a Lean Premixed Swirl Flame to High Frequency Azimuthal Forcing

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

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

Effect of an Azimuthal Mean Flow on the Structure and Stability of Thermoacoustic Modes in an Annular Combustor Model With Electroacoustic Feedback

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

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

Effect of an Azimuthal Mean Flow on the Structure and Stability of Thermoacoustic Modes in an Annular Combustor Model With Electroacoustic Feedback

Solution of Thermoacoustic Eigenvalue Problems With a Noniterative Method

Solution of Thermoacoustic Eigenvalue Problems With a Non-Iterative Method

Effects of Asymmetry on Thermoacoustic Modes in Annular Combustors: A Higher-Order Perturbation Study

Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors

Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors

Effects of Asymmetry on Thermoacoustic Modes in Annular Combustors: A Higher-Order Perturbation Study

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

Acoustic Combustor Forcing by Unsteady Air Injection Into a Nozzle With High Subsonic Mean Flow

Limit Cycles of Spinning Thermoacoustic Modes in Annular Combustors: A Bloch-Wave and Adjoint-Perturbation Approach

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

An Onion Peeling Reconstruction of the Spatial Characteristics of Entropy Waves in a Model Gas Turbine Combustor

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