1-20 of 25
Tobias Hummel
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Impact of the Stabilized Finite Element Method on Acoustic and Vortical Perturbations in Thermoacoustic Systems

Thomas Hofmeister, Tobias Hummel, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061012.
Paper No: GTP-20-1529
https://doi.org/10.1115/1.4049349
Published Online: March 16, 2021
View Article titled, Impact of the Stabilized Finite Element Method on Acoustic and Vortical Perturbations in Thermoacoustic Systems
Open the PDF for Impact of the Stabilized Finite Element Method on Acoustic and Vortical Perturbations in Thermoacoustic Systems in another window
Topics: Acoustics, Damping, Diffusion (Physics), Finite element methods
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
Proceedings Papers

Impact of the Stabilized Finite Element Method on Acoustic and Vortical Perturbations in Thermoacoustic Systems

Thomas Hofmeister, Tobias Hummel, Thomas Sattelmayer
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14475
https://doi.org/10.1115/GT2020-14475
View Paper titled, Impact of the Stabilized Finite Element Method on Acoustic and Vortical Perturbations in Thermoacoustic Systems
Open the PDF for Impact of the Stabilized Finite Element Method on Acoustic and Vortical Perturbations in Thermoacoustic Systems in another window
Topics: Acoustics, Finite element methods, Damping, Diffusion (Physics), Mode shapes, Stability
Journal Articles

Modeling and Quantification of Acoustic Damping Induced by Vortex Shedding in Noncompact Thermoacoustic Systems

Thomas Hofmeister, Tobias Hummel, 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 2020, 142(3): 031016.
Paper No: GTP-19-1434
https://doi.org/10.1115/1.4044936
Published Online: February 3, 2020
View Article titled, Modeling and Quantification of Acoustic Damping Induced by Vortex Shedding in Noncompact Thermoacoustic Systems
Open the PDF for Modeling and Quantification of Acoustic Damping Induced by Vortex Shedding in Noncompact Thermoacoustic Systems in another window
Topics: Acoustics, Damping, Modeling, Vortex shedding, Flow (Dynamics)
Proceedings Papers

Quantification of Energy Transformation Processes Between Acoustic and Hydrodynamic Modes in Non-Compact Thermoacoustic Systems via a Helmholtz-Hodge Decomposition Approach

Thomas Hofmeister, Tobias Hummel, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90240
https://doi.org/10.1115/GT2019-90240
View Paper titled, Quantification of Energy Transformation Processes Between Acoustic and Hydrodynamic Modes in Non-Compact Thermoacoustic Systems via a Helmholtz-Hodge Decomposition Approach
Open the PDF for Quantification of Energy Transformation Processes Between Acoustic and Hydrodynamic Modes in Non-Compact Thermoacoustic Systems via a Helmholtz-Hodge Decomposition Approach in another window
Topics: Acoustics, Energy transformation, Damping, Stability, Vortex shedding, Engineering simulation, Simulation, Combustion chambers, Entropy, Excitation
Proceedings Papers

Modeling and Quantification of Acoustic Damping Induced by Vortex Shedding in Non-Compact Thermoacoustic Systems

Thomas Hofmeister, Tobias Hummel, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A014, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90241
https://doi.org/10.1115/GT2019-90241
View Paper titled, Modeling and Quantification of Acoustic Damping Induced by Vortex Shedding in Non-Compact Thermoacoustic Systems
Open the PDF for Modeling and Quantification of Acoustic Damping Induced by Vortex Shedding in Non-Compact Thermoacoustic Systems in another window
Topics: Acoustics, Damping, Modeling, Vortex shedding, Combustion chambers, Combustion systems, Gas turbines, Network models, Stability
Proceedings Papers

A Novel Reheat Combustor Experiment for the Analysis of High-Frequency Flame Dynamics: Concept and Experimental Validation

Frederik M. Berger, Tobias Hummel, Pedro Romero Vega, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A051, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77101
https://doi.org/10.1115/GT2018-77101
View Paper titled, A Novel Reheat Combustor Experiment for the Analysis of High-Frequency Flame Dynamics: Concept and Experimental Validation
Open the PDF for A Novel Reheat Combustor Experiment for the Analysis of High-Frequency Flame Dynamics: Concept and Experimental Validation in another window
Topics: Combustion chambers, Dynamics (Mechanics), Flames, Combustion, Design, Ignition, Pressure, Resonance, Acoustical properties, Acoustics
Proceedings Papers

Numerical Design of a Novel Reheat Combustor Experiment for the Analysis of High-Frequency Flame Dynamics

Pedro Romero Vega, Frederik M. Berger, Tobias Hummel, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A046, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77034
https://doi.org/10.1115/GT2018-77034
View Paper titled, Numerical Design of a Novel Reheat Combustor Experiment for the Analysis of High-Frequency Flame Dynamics
Open the PDF for Numerical Design of a Novel Reheat Combustor Experiment for the Analysis of High-Frequency Flame Dynamics in another window
Topics: Combustion chambers, Design, Dynamics (Mechanics), Flames, Acoustics, Damping, Flow (Dynamics), Aerodynamics, Boundary layers, Combustion
Journal Articles

Thermoacoustic Damping Rate Determination From Combustion Noise Using Bayesian Statistics

Nicolai V. Stadlmair, Tobias Hummel, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 111501.
Paper No: GTP-17-1435
https://doi.org/10.1115/1.4038475
Published Online: June 27, 2018
View Article titled, Thermoacoustic Damping Rate Determination From Combustion Noise Using Bayesian Statistics
Open the PDF for Thermoacoustic Damping Rate Determination From Combustion Noise Using Bayesian Statistics in another window
Topics: Combustion chambers, Damping, Noise (Sound), Pressure, Signals, Fittings, Statistics, Oscillations, Simulation, Combustion
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
Open the PDF for Extraction of Linear Growth and Damping Rates of High-Frequency Thermoacoustic Oscillations From Time Domain Data in another window
Topics: Acoustics, Damping, Flames, Oscillations, Heat
Journal Articles

Pulsation-Amplitude-Dependent Flame Dynamics of High-Frequency Thermoacoustic Oscillations in Lean-Premixed Gas Turbine Combustors

Frederik M. Berger, Tobias Hummel, Bruno Schuermans, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 041507.
Paper No: GTP-17-1257
https://doi.org/10.1115/1.4038036
Published Online: November 7, 2017
View Article titled, Pulsation-Amplitude-Dependent Flame Dynamics of High-Frequency Thermoacoustic Oscillations in Lean-Premixed Gas Turbine Combustors
Open the PDF for Pulsation-Amplitude-Dependent Flame Dynamics of High-Frequency Thermoacoustic Oscillations in Lean-Premixed Gas Turbine Combustors in another window
Topics: Acoustics, Combustion chambers, Dynamics (Mechanics), Flames, Heat, Oscillations, Pressure, Stability, Gas turbines, Displacement
Proceedings Papers

Thermoacoustic Damping Rate Determination From Combustion Noise Using Bayesian Statistics

Nicolai V. Stadlmair, Tobias Hummel, Thomas Sattelmayer
Proc. ASME. GT2017, Volume 4A: Combustion, Fuels and Emissions, V04AT04A025, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63338
https://doi.org/10.1115/GT2017-63338
View Paper titled, Thermoacoustic Damping Rate Determination From Combustion Noise Using Bayesian Statistics
Open the PDF for Thermoacoustic Damping Rate Determination From Combustion Noise Using Bayesian Statistics in another window
Topics: Combustion, Damping, Noise (Sound), Statistics, Combustion chambers, Pressure, Algorithms, Signals, Chain, Density
Proceedings Papers

Pulsation-Amplitude-Dependent Flame Dynamics of High-Frequency Thermoacoustic Oscillations in Lean-Premixed Gas Turbine Combustors

Frederik M. Berger, Tobias Hummel, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2017, Volume 4A: Combustion, Fuels and Emissions, V04AT04A061, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63997
https://doi.org/10.1115/GT2017-63997
View Paper titled, Pulsation-Amplitude-Dependent Flame Dynamics of High-Frequency Thermoacoustic Oscillations in Lean-Premixed Gas Turbine Combustors
Open the PDF for Pulsation-Amplitude-Dependent Flame Dynamics of High-Frequency Thermoacoustic Oscillations in Lean-Premixed Gas Turbine Combustors in another window
Topics: Combustion chambers, Dynamics (Mechanics), Flames, Gas turbines, Oscillations, Acoustics, Heat, Chemiluminescence, Deformation, Flow (Dynamics)
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
Open the PDF for Extraction of Linear Growth and Damping Rates of High-Frequency Thermoacoustic Oscillations From Time Domain Data in another window
Topics: Damping, Oscillations, Pressure, Acoustics, Flames, Heat, Bifurcation, Chemiluminescence, Combustion systems, Design
Journal Articles

Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors

Tobias Hummel, Klaus Hammer, Pedro Romero, 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): 071503.
Paper No: GTP-16-1322
https://doi.org/10.1115/1.4035529
Published Online: February 23, 2017
View Article titled, Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors
Open the PDF for Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors in another window
Topics: Acoustics, Combustion chambers, Dynamics (Mechanics), Flames, Gas turbines, Modeling, Oscillations, Pressure, Simulation, Stability
Journal Articles

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part I: Experimental Investigation of Local Flame Response

Frederik M. Berger, Tobias Hummel, Michael Hertweck, Jan Kaufmann, 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): 071501.
Paper No: GTP-16-1323
https://doi.org/10.1115/1.4035591
Published Online: February 14, 2017
View Article titled, High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part I: Experimental Investigation of Local Flame Response
Open the PDF for High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part I: Experimental Investigation of Local Flame Response in another window
Topics: Acoustics, Combustion chambers, Flames, Heat, Oscillations, Pressure, Gas turbines
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
Open the PDF for Linearized Euler Equations for the Prediction of Linear High-Frequency Stability in Gas Turbine Combustors in another window
Topics: Acoustics, Combustion, Combustion chambers, Flames, Flow (Dynamics), Gas turbines, Heat, Stability, Stress, Computational fluid dynamics
Proceedings Papers

Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors

Tobias Hummel, Klaus Hammer, Pedro Romero, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A048, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57913
https://doi.org/10.1115/GT2016-57913
View Paper titled, Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors
Open the PDF for Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors in another window
Topics: Combustion chambers, Gas turbines, Modeling, Oscillations, Acoustics, Flames, Dynamic systems, Dynamics (Mechanics), Combustion, Damping