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Journal Articles

Sensitivity Analysis of Transient Forced Response of Mistuned Bladed Disks Under Complex Excitation and Varying Rotation Speed

Accepted Manuscript
Jing Tong, Chaoping Zang, Evgeny Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1421
https://doi.org/10.1115/1.4063586
Published Online: September 30, 2023
View Article titled, Sensitivity Analysis of Transient Forced Response of Mistuned Bladed Disks Under Complex Excitation and Varying Rotation Speed
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Topics: Bladed disks, Excitation, Rotation, Sensitivity analysis, Transients (Dynamics), Vibration, Blades, Computers, Engines, Finite element analysis
Journal Articles

A Conceptual Model for the Flutter Mechanism in Interlocked Turbine Blades

Juan Manuel Gallardo, Óscar Pérez Escobar
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power. November 2023, 145(11): 111015.
Paper No: GTP-23-1314
https://doi.org/10.1115/1.4063313
Published Online: September 29, 2023
View Article titled, A Conceptual Model for the Flutter Mechanism in Interlocked Turbine Blades
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Topics: Blades, Flutter (Aerodynamics), Torsion, Finite element methods, Damping, Stability, Mode shapes, Turbines
Journal Articles

Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based On Large Eddy Simulation

Accepted Manuscript
Philip Bonnaire, Wolfgang Polifke
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1375
https://doi.org/10.1115/1.4063540
Published Online: September 29, 2023
View Article titled, Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based On Large Eddy Simulation
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Topics: Acoustics, Combustion chambers, Combustion systems, Dynamics (Mechanics), Emissions, Fast Fourier transforms, Fuels, Jets, Large eddy simulation, Mode shapes
Journal Articles

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Alex A. Kaszynski
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061010.
Paper No: GTP-22-1625
https://doi.org/10.1115/1.4056538
Published Online: January 13, 2023
View Article titled, Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation
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Topics: Blades, Excitation, Spectral energy distribution, Traveling waves, Rotors, Damping, Mode shapes, Testing
Journal Articles

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Roque Corral, Yago Blando, Aitor Pitarch
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041020.
Paper No: GTP-22-1575
https://doi.org/10.1115/1.4056102
Published Online: December 13, 2022
View Article titled, Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes
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Topics: Airfoils, Cycles, Pressure, Torsion, Damping, Mode shapes
Journal Articles

Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor

Sharan Sreedeep, Vikram Ramanan, Aritra Chakraborty, Satyanarayanan R. Chakravarthy
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011015.
Paper No: GTP-22-1337
https://doi.org/10.1115/1.4055534
Published Online: October 21, 2022
View Article titled, Effect of Outlet Boundary Condition on the Acoustic Modeshape and Flame Dynamics of a Partially Premixed Swirl Stabilized Combustor
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Topics: Acoustics, Boundary-value problems, Combustion chambers, Dynamics (Mechanics), Flames, Pressure, Reflectance, Flow (Dynamics), Mode shapes
Journal Articles

Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade

Giuseppe Bruni, Senthil Krishnababu, Simon Jackson
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011019.
Paper No: GTP-22-1341
https://doi.org/10.1115/1.4055634
Published Online: October 21, 2022
View Article titled, Application of Machine Learning to Forced Response Predictions of an Industrial Axial Compressor Rotor Blade
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Topics: Artificial neural networks, Blades, Compressors, Computational fluid dynamics, Damping, Design, Machine learning, Mode shapes, Resonance, Modal analysis
Journal Articles

High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames

Jonathan McClure, Mirko Bothien, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011014.
Paper No: GTP-22-1311
https://doi.org/10.1115/1.4055531
Published Online: October 20, 2022
View Article titled, High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames
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Topics: Acoustics, Combustion chambers, Flames, Mode shapes, Oscillations, Ignition, Pressure
Journal Articles

Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach

Jeffrey M. Brown, Alex A. Kaszynski, Daniel L. Gillaugh, Emily B. Carper, Joseph A. Beck
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091010.
Paper No: GTP-22-1020
https://doi.org/10.1115/1.4054946
Published Online: August 17, 2022
View Article titled, Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach
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Topics: Airfoils, Modal assurance criterion, Mode shapes, Design, Finite element model, Geometry
Journal Articles

Dynamic Strain Reconstruction of Rotating Blades Based on Tip Timing and Response Transmissibility

Chunyan Ao, Baijie Qiao, Meiru Liu, Shunguo Fu, Zhibo Yang, Xuefeng Chen
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061011.
Paper No: GTP-21-1338
https://doi.org/10.1115/1.4054220
Published Online: May 20, 2022
View Article titled, Dynamic Strain Reconstruction of Rotating Blades Based on Tip Timing and Response Transmissibility
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Topics: Blades, Displacement, Resonance, Rotating blades, Mode shapes, Rotors
Journal Articles

Optimization of Airfoil Blend Limits With As-Manufactured Geometry Finite Element Models

Jeffrey M. Brown, Alex A. Kaszynski, Daniel L. Gillaugh, Emily B. Carper, Joseph A. Beck
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031013.
Paper No: GTP-21-1063
https://doi.org/10.1115/1.4051174
Published Online: January 3, 2022
View Article titled, Optimization of Airfoil Blend Limits With As-Manufactured Geometry Finite Element Models
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Topics: Airfoils, Blades, Geometry, Optimization, Finite element model, Mode shapes, Design, Rotors
Journal Articles

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Jing Tong, Chaoping Zang, E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021022.
Paper No: GTP-21-1405
https://doi.org/10.1115/1.4052501
Published Online: December 7, 2021
View Article titled, Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks
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Topics: Disks, Interpolation, Mode shapes, Rotation, Transients (Dynamics)
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121012.
Paper No: GTP-20-1576
https://doi.org/10.1115/1.4051111
Published Online: October 12, 2021
View Article titled, Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models
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Topics: Algorithms, Approximation, Blades, Eigenvalues, Elastic moduli, Errors, Excitation, Finite element model, Geometry, Materials properties
Journal Articles

Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction

Gross Johann, Krack Malte
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051030.
Paper No: GTP-20-1130
https://doi.org/10.1115/1.4047889
Published Online: March 31, 2021
View Article titled, Multiwave Vibrations in Mistuned Cascades With Tip-Shroud Friction
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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Steady state, Vibration, Waves, Attractors, Damping, Friction, Modal assurance criterion
Journal Articles

Analysis of Nonlinear Modal Damping Due to Friction at Blade Roots in Mistuned Bladed Disks

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031019.
Paper No: GTP-20-1717
https://doi.org/10.1115/1.4049860
Published Online: February 22, 2021
View Article titled, Analysis of Nonlinear Modal Damping Due to Friction at Blade Roots in Mistuned Bladed Disks
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Topics: Blades, Damping, Disks, Friction, Vibration, Mode shapes
Journal Articles

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method

Matthias Schuff, Virginie Anne Chenaux
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021017.
Paper No: GTP-20-1533
https://doi.org/10.1115/1.4048986
Published Online: January 28, 2021
View Article titled, Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p – k Method
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Topics: Blades, Flutter (Aerodynamics), Mode shapes, Damping, Simulation, Turbomachinery, Flow (Dynamics), Aerodynamics, Fluid-dynamic forces
Journal Articles

Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches

Saurabh Sudhir Patwardhan, Pravin Nakod, Stefano Orsino, Carlo Arguinzoni
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091006.
Paper No: GTP-19-1534
https://doi.org/10.1115/1.4047110
Published Online: August 25, 2020
View Article titled, Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches
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Topics: Acoustics, Combustion, Combustion chambers, Oscillations, Pressure, Simulation, Boundary-value problems, Dynamics (Mechanics), Mode shapes
Journal Articles

Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors

G. Ghirardo, J. P. Moeck, M. R. Bothien
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041005.
Paper No: GTP-19-1351
https://doi.org/10.1115/1.4044487
Published Online: January 29, 2020
View Article titled, Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors
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Topics: Combustion chambers, Engines, Flames, Mode shapes, Noise (Sound), Spectra (Spectroscopy), Acoustics, Sound pressure, Turbines, Simulation
Journal Articles

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

Christian U. Waldherr, Patrick Buchwald, Damian M. Vogt
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2020, 142(2): 021016.
Paper No: GTP-19-1474
https://doi.org/10.1115/1.4045517
Published Online: January 16, 2020
View Article titled, A New Mistuning Identification Method Based on the Subset of Nominal System Modes Method
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Topics: Blades, Compressors, Eigenvalues, Errors, Mode shapes, Noise (Sound), Probability, Resonance, Stiffness, Traveling waves
Journal Articles

Blade Vibration Stress Determination Method Based on Blade Tip Timing Simulator and Finite Element Method

Xiaojie Zhang, Yanrong Wang, Xianghua Jiang, Shimin Gao
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031001.
Paper No: GTP-19-1548
https://doi.org/10.1115/1.4045791
Published Online: January 16, 2020
View Article titled, Blade Vibration Stress Determination Method Based on Blade Tip Timing Simulator and Finite Element Method
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Topics: Blades, Sensors, Vibration, Stress, Displacement, Mode shapes