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Georg A. Mensah
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Proceedings Papers

Adjoint-Based Calculation of Parametric Thermoacoustic Maps of an Industrial Combustion Chamber

Camilo F. Silva, Laura Prieto, Maximiliano Ancharek, Pablo Marigliani, Georg A. Mensah
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A038, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14699
https://doi.org/10.1115/GT2020-14699
View Paper titled, Adjoint-Based Calculation of Parametric Thermoacoustic Maps of an Industrial Combustion Chamber
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Topics: Combustion chambers, Eigenvalues, Flames, Delays, Energy generation, Perturbation theory, Polynomials, Resolution (Optics), Stability, Turbines
Journal Articles

Adjoint-Based Calculation of Parametric Thermoacoustic Maps of an Industrial Combustion Chamber

Camilo F. Silva, Laura Prieto, Maximiliano Ancharek, Pablo Marigliani, Georg A. Mensah
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011003.
Paper No: GTP-20-1520
https://doi.org/10.1115/1.4049295
Published Online: December 23, 2020
View Article titled, Adjoint-Based Calculation of Parametric Thermoacoustic Maps of an Industrial Combustion Chamber
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Topics: Combustion chambers, Flames, Perturbation theory, Eigenvalues
Journal Articles

Solution of Thermoacoustic Eigenvalue Problems With a Noniterative Method

Philip E. Buschmann, Georg A. Mensah, Franck Nicoud, Jonas P. Moeck
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031022.
Paper No: GTP-19-1413
https://doi.org/10.1115/1.4045076
Published Online: February 10, 2020
View Article titled, Solution of Thermoacoustic Eigenvalue Problems With a Noniterative Method
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90834
https://doi.org/10.1115/GT2019-90834
View Paper titled, Solution of Thermoacoustic Eigenvalue Problems With a Non-Iterative Method
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041030.
Paper No: GTP-18-1358
https://doi.org/10.1115/1.4041007
Published Online: December 7, 2018
View Article titled, Effects of Asymmetry on Thermoacoustic Modes in Annular Combustors: A Higher-Order Perturbation Study
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021002.
Paper No: GTP-18-1356
https://doi.org/10.1115/1.4040768
Published Online: September 19, 2018
View Article titled, Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors
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Topics: Acoustics, Combustion chambers, Limit cycles, Spin (Aerodynamics), Spinning (Textile), Stability, Flames, Heat, Synchronization, Oscillations
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76797
https://doi.org/10.1115/GT2018-76797
View Paper titled, Effects of Asymmetry on Thermoacoustic Modes in Annular Combustors: A Higher-Order Perturbation Study
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Topics: Combustion chambers, Design, Stability, Dampers, Eigenvalues, Flames, Gas turbines, Geometry, Perturbation theory, Transfer functions
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75361
https://doi.org/10.1115/GT2018-75361
View Paper titled, Effects of Nonlinear Modal Interactions on the Thermoacoustic Stability of Annular Combustors
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Topics: Combustion chambers, Stability, Geometry, Network models, Numerical analysis
Journal Articles

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

Georg A. Mensah, Luca Magri, Jonas P. Moeck
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061501.
Paper No: GTP-17-1375
https://doi.org/10.1115/1.4038156
Published Online: January 17, 2018
View Article titled, Methods for the Calculation of Thermoacoustic Stability Boundaries and Monte Carlo-Free Uncertainty Quantification
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Topics: Combustion chambers, Eigenvalues, Flames, Perturbation theory, Risk, Stability, Uncertainty quantification, Network models, Waves, Computation
Proceedings Papers

The Implementation of WikL: An Educational Wiki Supporting Collaborative Learning in Engineering University Courses

Lisa Zander, Tom Tanneberger, Juliane Peukert, Georg A. Mensah
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T07A003, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64664
https://doi.org/10.1115/GT2017-64664
View Paper titled, The Implementation of WikL: An Educational Wiki Supporting Collaborative Learning in Engineering University Courses
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Topics: Combustion, Computer software, Engineering education, Engineering teachers, Students, Teaching, Turbulence
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64817
https://doi.org/10.1115/GT2017-64817
View Paper titled, Limit Cycles of Spinning Thermoacoustic Modes in Annular Combustors: A Bloch-Wave and Adjoint-Perturbation Approach
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64829
https://doi.org/10.1115/GT2017-64829
View Paper titled, Methods for the Calculation of Thermoacoustic Stability Margins and Monte Carlo-Free Uncertainty Quantification
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Topics: Stability, Uncertainty quantification, Uncertainty, Combustion chambers, Eigenvalues, Flames, Gas turbines, Network models, Risk, Algebra
Journal Articles

Acoustic Damper Placement and Tuning for Annular Combustors: An Adjoint-Based Optimization Study

Georg A. Mensah, Jonas P. Moeck
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 061501.
Paper No: GTP-16-1404
https://doi.org/10.1115/1.4035201
Published Online: January 18, 2017
View Article titled, Acoustic Damper Placement and Tuning for Annular Combustors: An Adjoint-Based Optimization Study
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Topics: Acoustics, Combustion chambers, Dampers, Eigenvalues, Optimization, Design, Perturbation theory, Algorithms, Optimization algorithms
Proceedings Papers

Acoustic Damper Placement and Tuning for Annular Combustors: An Adjoint-Based Optimization Study

Georg A. Mensah, Jonas P. Moeck
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A042, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57799
https://doi.org/10.1115/GT2016-57799
View Paper titled, Acoustic Damper Placement and Tuning for Annular Combustors: An Adjoint-Based Optimization Study
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Topics: Acoustics, Combustion chambers, Dampers, Optimization, Design, Algebra, Algorithms, Gas turbines
Journal Articles

Efficient Computation of Thermoacoustic Modes in Industrial Annular Combustion Chambers Based on Bloch-Wave Theory

Georg A. Mensah, Giovanni Campa, Jonas P. Moeck
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 081502.
Paper No: GTP-15-1474
https://doi.org/10.1115/1.4032335
Published Online: February 23, 2016
View Article titled, Efficient Computation of Thermoacoustic Modes in Industrial Annular Combustion Chambers Based on Bloch-Wave Theory
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Topics: Combustion chambers, Computation, Waves, Flames, Heat, Boundary-value problems
Proceedings Papers

Efficient Computation of Thermoacoustic Modes in Annular Combustion Chambers Based on Bloch-Wave Theory

Georg A. Mensah, Jonas P. Moeck
Proc. ASME. GT2015, Volume 4B: Combustion, Fuels and Emissions, V04BT04A036, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43476
https://doi.org/10.1115/GT2015-43476
View Paper titled, Efficient Computation of Thermoacoustic Modes in Annular Combustion Chambers Based on Bloch-Wave Theory
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Topics: Combustion chambers, Computation, Waves, Flames, Boundary-value problems, Mode shapes, Perturbation theory, Simulation, Temperature