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Frederik Berger
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Journal Articles

Elimination of Numerical Damping in the Stability Analysis of Noncompact Thermoacoustic Systems With Linearized Euler Equations

Thomas Hofmeister, Tobias Hummel, Frederik Berger, Noah Klarmann, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031013.
Paper No: GTP-20-1528
https://doi.org/10.1115/1.4049651
Published Online: February 10, 2021
View Article titled, Elimination of Numerical Damping in the Stability Analysis of Noncompact Thermoacoustic Systems With Linearized Euler Equations
Open the PDF for Elimination of Numerical Damping in the Stability Analysis of Noncompact Thermoacoustic Systems With Linearized Euler Equations in another window
Topics: Acoustics, Combustion chambers, Damping, Flames, Simulation, Stability, Computational fluid dynamics, Displacement, Deformation, Vortex shedding
Proceedings Papers

Elimination of Numerical Damping in the Stability Analysis of Non-Compact Thermoacoustic Systems With Linearized Euler Equations

Thomas Hofmeister, Tobias Hummel, Frederik Berger, Noah Klarmann, Thomas Sattelmayer
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A037, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16051
https://doi.org/10.1115/GT2020-16051
View Paper titled, Elimination of Numerical Damping in the Stability Analysis of Non-Compact Thermoacoustic Systems With Linearized Euler Equations
Open the PDF for Elimination of Numerical Damping in the Stability Analysis of Non-Compact Thermoacoustic Systems With Linearized Euler Equations in another window
Topics: Damping, Stability, Acoustics, Combustion chambers, Computational fluid dynamics, Flames, Aerodynamic noise, Boundary layers, Computation, Deformation
Journal Articles

Extraction of Linear Growth and Damping Rates of High-Frequency Thermoacoustic Oscillations From Time Domain Data

Tobias Hummel, Frederik Berger, Nicolai Stadlmair, Bruno Schuermans, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051505.
Paper No: GTP-17-1274
https://doi.org/10.1115/1.4038240
Published Online: December 19, 2017
View Article titled, Extraction of Linear Growth and Damping Rates of High-Frequency Thermoacoustic Oscillations From Time Domain Data
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Topics: Acoustics, Damping, Flames, Oscillations, Heat
Proceedings Papers

Extraction of Linear Growth and Damping Rates of High-Frequency Thermoacoustic Oscillations From Time Domain Data

Tobias Hummel, Frederik Berger, Nicolai Stadlmair, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2017, Volume 4A: Combustion, Fuels and Emissions, V04AT04A080, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64233
https://doi.org/10.1115/GT2017-64233
View Paper titled, Extraction of Linear Growth and Damping Rates of High-Frequency Thermoacoustic Oscillations From Time Domain Data
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Topics: Damping, Oscillations, Pressure, Acoustics, Flames, Heat, Bifurcation, Chemiluminescence, Combustion systems, Design
Journal Articles

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part II: Modeling and Analysis

Tobias Hummel, Frederik Berger, Michael Hertweck, Bruno Schuermans, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 071502.
Paper No: GTP-16-1324
https://doi.org/10.1115/1.4035592
Published Online: February 14, 2017
View Article titled, High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part II: Modeling and Analysis
Open the PDF for High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part II: Modeling and Analysis in another window
Topics: Acoustics, Combustion chambers, Displacement, Flames, Gas turbines, Heat, Oscillations, Pressure, Deformation, Modeling
Journal Articles

Linearized Euler Equations for the Prediction of Linear High-Frequency Stability in Gas Turbine Combustors

Moritz Schulze, Tobias Hummel, Noah Klarmann, Frederik Berger, Bruno Schuermans, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031510.
Paper No: GTP-16-1319
https://doi.org/10.1115/1.4034453
Published Online: October 4, 2016
View Article titled, Linearized Euler Equations for the Prediction of Linear High-Frequency Stability in Gas Turbine Combustors
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Topics: Acoustics, Combustion, Combustion chambers, Flames, Flow (Dynamics), Gas turbines, Heat, Stability, Stress, Computational fluid dynamics
Proceedings Papers

Linearized Euler Equations for the Prediction of Linear High-Frequency Stability in Gas Turbine Combustors

Moritz Schulze, Tobias Hummel, Noah Klarmann, Frederik Berger, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A045, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57818
https://doi.org/10.1115/GT2016-57818
View Paper titled, Linearized Euler Equations for the Prediction of Linear High-Frequency Stability in Gas Turbine Combustors
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Topics: Combustion chambers, Gas turbines, Stability, Acoustics, Flames, Flow (Dynamics), Oscillations, Combustion, Computational fluid dynamics, Damping
Proceedings Papers

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors: Part Two — Modeling and Analysis

Tobias Hummel, Frederik Berger, Michael Hertweck, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A025, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57500
https://doi.org/10.1115/GT2016-57500
View Paper titled, High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors: Part Two — Modeling and Analysis
Open the PDF for High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors: Part Two — Modeling and Analysis in another window
Topics: Combustion chambers, Gas turbines, Modeling, Flames, Acoustics, Deformation, Displacement, Transfer functions, Feedback, Pressure