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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

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

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Emily B. Carper, Alex A. Kaszynski

J. Eng. Gas Turbines Power. December 2021, 143(12): 121012.

Paper No: GTP-20-1576

DOI: https://doi.org/10.1115/1.4051111

Published Online: October 12, 2021

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Topics: Algorithms, Approximation, Blades, Eigenvalues, Elastic moduli, Errors, Excitation, Finite element model, Geometry, Materials properties

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

Transient Flutter Stability Analysis of Structural Mistuned Blisk by Energy Growth Method

Luohui Ouyang, Qingzhen Bi, Hua Chen, Hai Shang, Limin Zhu

J. Eng. Gas Turbines Power. September 2021, 143(9): 091015.

Paper No: GTP-20-1757

DOI: https://doi.org/10.1115/1.4050860

Published Online: May 31, 2021

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Topics: Blades, Eigenvalues, Flutter (Aerodynamics), Stability, Transients (Dynamics), Lumped parameter models

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

Journal Articles

Shape Optimization of Thermoacoustic Systems Using a Two-Dimensional Adjoint Helmholtz Solver

Stefano Falco, Matthew P. Juniper

J. Eng. Gas Turbines Power. July 2021, 143(7): 071025.

Paper No: GTP-20-1460

DOI: https://doi.org/10.1115/1.4049305

Published Online: March 31, 2021

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Topics: Combustion chambers, Eigenvalues, Shapes, Turbulence, Shape optimization, Heat, Acoustics, Flames

Journal Articles

Interaction Between Coriolis Forces and Mistuning on a Cyclic Symmetric Structure With Geometrical Nonlinearity

Anthony Tacher, Fabrice Thouverez, Jason Armand

J. Eng. Gas Turbines Power. May 2021, 143(5): 051006.

Paper No: GTP-20-1398

DOI: https://doi.org/10.1115/1.4048844

Published Online: March 11, 2021

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Topics: Coriolis force, Eigenvalues, Modal analysis, Standing waves, Traveling waves, Stiffness, Disks

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

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

J. Eng. Gas Turbines Power. January 2021, 143(1): 011003.

Paper No: GTP-20-1520

DOI: https://doi.org/10.1115/1.4049295

Published Online: December 23, 2020

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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

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

Journal Articles

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

Christian U. Waldherr, Patrick Buchwald, Damian M. Vogt

J. Eng. Gas Turbines Power. February 2020, 142(2): 021016.

Paper No: GTP-19-1474

DOI: https://doi.org/10.1115/1.4045517

Published Online: January 16, 2020

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Topics: Blades, Compressors, Eigenvalues, Errors, Mode shapes, Noise (Sound), Probability, Resonance, Stiffness, Traveling waves

Journal Articles

Thermoacoustic Spectrum of a Swirled Premixed Combustor With Partially Reflecting Boundaries

Kah Joon Yong, Maximilian Meindl, Wolfgang Polifke, Camilo F. Silva

J. Eng. Gas Turbines Power. January 2020, 142(1): 011005.

Paper No: GTP-19-1515

DOI: https://doi.org/10.1115/1.4045275

Published Online: November 25, 2019

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Topics: Acoustics, Combustion chambers, Eigenvalues, Flames, Reflection, Reflectance, Rotation

Journal Articles

Geometric Mistuning Reduced-Order Model Development Utilizing Bayesian Surrogate Models for Component Mode Calculations

Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Emily B. Carper, Daniel L. Gillaugh

J. Eng. Gas Turbines Power. October 2019, 141(10): 101013.

Paper No: GTP-19-1355

DOI: https://doi.org/10.1115/1.4044454

Published Online: September 16, 2019

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Topics: Blades, Eigenvalues, Errors, Finite element model, Geometry, Modal analysis, Mode shapes, Model development, Rotors, Uncertainty

Journal Articles

An Extension of the Classical Subset of Nominal Modes Method for the Model Order Reduction of Gyroscopic Systems

Christian U. Waldherr, Damian M. Vogt

J. Eng. Gas Turbines Power. May 2019, 141(5): 052501.

Paper No: GTP-18-1440

DOI: https://doi.org/10.1115/1.4041117

Published Online: December 7, 2018

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Topics: Blades, Boundary-value problems, Coriolis force, Modeling, Resonance, Compressors, Rotation, Errors, Displacement, Stiffness

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

Thermoacoustic Modes of Quasi-One-Dimensional Combustors in the Region of Marginal Stability

Camilo F. Silva, Kah Joon Yong, Luca Magri

J. Eng. Gas Turbines Power. February 2019, 141(2): 021022.

Paper No: GTP-18-1443

DOI: https://doi.org/10.1115/1.4041118

Published Online: October 4, 2018

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Topics: Acoustics, Combustion chambers, Ducts, Eigenvalues, Flames, Stability, Resonance, Boundary-value problems, Delays

Journal Articles

Active Subspace Development of Integrally Bladed Disk Dynamic Properties Due to Manufacturing Variations

Joseph A. Beck, Jeffrey M. Brown, Alex A. Kaszynski, Emily B. Carper

J. Eng. Gas Turbines Power. February 2019, 141(2): 021001.

Paper No: GTP-18-1374

DOI: https://doi.org/10.1115/1.4040869

Published Online: September 18, 2018

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Topics: Blades, Eigenvalues, Dynamic light scattering, Disks, Manufacturing, Geometry

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Journal citation

NARROW

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

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

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

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

Low-Order Modeling of Can-Annular Combustors

Transient Flutter Stability Analysis of Structural Mistuned Blisk by Energy Growth Method

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

Shape Optimization of Thermoacoustic Systems Using a Two-Dimensional Adjoint Helmholtz Solver

Interaction Between Coriolis Forces and Mistuning on a Cyclic Symmetric Structure With Geometrical Nonlinearity

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

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

Solution of Thermoacoustic Eigenvalue Problems With a Noniterative Method

A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method

Thermoacoustic Spectrum of a Swirled Premixed Combustor With Partially Reflecting Boundaries

Geometric Mistuning Reduced-Order Model Development Utilizing Bayesian Surrogate Models for Component Mode Calculations

An Extension of the Classical Subset of Nominal Modes Method for the Model Order Reduction of Gyroscopic Systems

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

Thermoacoustic Modes of Quasi-One-Dimensional Combustors in the Region of Marginal Stability

Active Subspace Development of Integrally Bladed Disk Dynamic Properties Due to Manufacturing Variations

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