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Proceedings Papers

Mixed Whirl Modes in Numerical Rotordynamics Analysis

Konrad Juethner, Ted Rose, J. S. Kumar, Jianming Cao, Gregory M. Savela, Chris J. Zuck, Parag H. Mathuria
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A004, June 13–17, 2022
Paper No: GT2022-79755
DOI: https://doi.org/10.1115/GT2022-79755
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Topics: Rotordynamics, Whirls, Rotors, Design, Eigenvalues, Stability, Algorithms, Economics , Fatigue, Finite element analysis
Proceedings Papers

Modal Identification for Integrally Bladed Rotors Under Traveling Wave Excitation

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Alex A. Kaszynski
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A029, June 13–17, 2022
Paper No: GT2022-83204
DOI: https://doi.org/10.1115/GT2022-83204
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Topics: Excitation, Rotors, Traveling waves, Blades, Spectral energy distribution, Testing, Damping, Excitation systems, Fast Fourier transforms, Fittings
Proceedings Papers

Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis

Jeffrey M. Brown, Emily B. Carper, Alex A. Kaszynski, Daniel L. Gillaugh, Joseph A. Beck
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A034, June 13–17, 2022
Paper No: GT2022-83402
DOI: https://doi.org/10.1115/GT2022-83402
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Topics: Airfoils, Approximation, Mode shapes, Displacement, Eigenvalues, Degrees of freedom, Geometry
Proceedings Papers

Efficient Surrogate Modeling for Turbine Blade Row Cyclic Symmetric Mode Shapes

Anindya Bhaduri, Jing Li, Sayan Ghosh, Liping Wang
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A009, June 13–17, 2022
Paper No: GT2022-83414
DOI: https://doi.org/10.1115/GT2022-83414
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Topics: Metamodeling, Mode shapes, Turbine blades
Proceedings Papers

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

Jonathan McClure, Mirko Bothien, Thomas Sattelmayer
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A031, June 13–17, 2022
Paper No: GT2022-81127
DOI: https://doi.org/10.1115/GT2022-81127
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Topics: Acoustics, Flames, Mode shapes, Combustion chambers, Combustion systems, Stress, Atmospheric pressure, Combined cycles, Combustion, Engines
Proceedings Papers

Effect of Outlet Boundary Condition on the Acoustic Mode Shape and Flame Dynamics of a Partially Premixed Swirl Stabilised Combustor

Sharan Sreedeep, Vikram Ramanan, Aritra Chakraborty, Satyanarayanan R. Chakravarthy
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A054, June 13–17, 2022
Paper No: GT2022-82001
DOI: https://doi.org/10.1115/GT2022-82001
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Topics: Acoustics, Boundary-value problems, Combustion chambers, Dynamics (Mechanics), Flames, Mode shapes, Reflectance, High pressure (Physics), Testing, Chemiluminescence
Proceedings Papers

Effect of Flare Geometry on the Flow Field of Radial-Radial Swirlers

Ayşe Bay, Fırat Kıyıcı, Mustafa Perçin
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A047, June 13–17, 2022
Paper No: GT2022-83234
DOI: https://doi.org/10.1115/GT2022-83234
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Topics: Flow (Dynamics), Geometry, Swirling flow, Combustion chambers, Computer simulation, Mode shapes, Pressure gradient, Rotation
Proceedings Papers

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Roque Corral, Yago Blando, Aitor Pitarch
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A020, June 13–17, 2022
Paper No: GT2022-82704
DOI: https://doi.org/10.1115/GT2022-82704
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Topics: Airfoils, Cycles, Blades, Acoustics, Aerodynamics, Mode shapes, Navier-Stokes equations, Pressure, Resonance, Stability
Proceedings Papers

Fast and Integrated Tools for Forced Response Prediction: An Application to a Transonic Compressor Rotor Blisk

Lorenzo Pinelli, Alberto Bandini, Michele Marconcini, Andrea Amedei, Enrico Meli, Andrea Rindi
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A012, June 13–17, 2022
Paper No: GT2022-81975
DOI: https://doi.org/10.1115/GT2022-81975
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Topics: Compressors, Rotors, Blades, Computational fluid dynamics, Design, Finite element methods, Finite element model, Mode shapes, Chain, Diluents
Proceedings Papers

Aerodynamic Damping of Composite UHBR Fans Under the Consideration of Acoustic Intake Reflections

Jan Gößling, Joerg R. Seume, Jan Peter Flüh, Nicola Paletta, Torben Eggers, Jens Friedrichs, Nunzio Natale
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A008, June 13–17, 2022
Paper No: GT2022-81777
DOI: https://doi.org/10.1115/GT2022-81777
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Topics: Acoustics, Composite materials, Damping, Fans, Reflection, Blades, Engines, Fibers, Rotors, Stiffness
Proceedings Papers

Blisk With Small Geometry Mistuning and Blend Repair: As-Measured FE Model and Experimental Verification

Biao Zhou, Jingchao Zhao, Nan Ye, Teresa M. Berruti
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A015, June 13–17, 2022
Paper No: GT2022-82173
DOI: https://doi.org/10.1115/GT2022-82173
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Topics: Finite element model, Geometry, Maintenance, Blades, Mode shapes, Dynamics (Mechanics), Manufacturing
Proceedings Papers

Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints

Adam Koscso, Andreas Hartung, E. P. Petrov
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A014, June 13–17, 2022
Paper No: GT2022-82040
DOI: https://doi.org/10.1115/GT2022-82040
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Topics: Anisotropy, Disks, Friction, Numerical analysis, Blades, Aircraft engines, Computational methods, Crystals, Dampers, Excitation
Proceedings Papers

Optimization of a Turbomachinery Blade With Regards to Tip-Rub Events

Marin de Cherisey, Loic Salles, Ludovic Renson, Alessandra Vizzaccaro, Chian Wong
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A013, June 13–17, 2022
Paper No: GT2022-82005
DOI: https://doi.org/10.1115/GT2022-82005
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Topics: Blades, Optimization, Turbomachinery, Clearances (Engineering), Engines, Shapes, Aircraft engines, Chords (Trusses), Compressors, Computer simulation
Proceedings Papers

Towards Reduced Order Models of Small-Scale Acoustically Significant Components in Gas Turbine Combustion Chambers

Suhas A. Kowshik, Sumukha Shridhar, N. C. W. Treleaven
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 7–11, 2021
Paper No: GT2021-59601
DOI: https://doi.org/10.1115/GT2021-59601
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Topics: Acoustics, Combustion chambers, Gas turbines, Simulation, Computational fluid dynamics, Flow (Dynamics), Artificial neural networks, Damping, Cooling, Design
Proceedings Papers

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
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A028, June 7–11, 2021
Paper No: GT2021-60238
DOI: https://doi.org/10.1115/GT2021-60238
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Topics: Airfoils, Mode shapes, Modeling, Stochastic processes, Modal assurance criterion, Maintenance, Displacement, Geometry, Design, Finite element model
Proceedings Papers

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
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A012, June 7–11, 2021
Paper No: GT2021-58982
DOI: https://doi.org/10.1115/GT2021-58982
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Topics: Disks, Interpolation, Rotation, Transients (Dynamics), Mode shapes, Vibration, Engines, Finite element analysis, Gas turbines, Modeling
Proceedings Papers

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Florian Jäger, Ferhat Kaptan, Lars Panning-Von Scheidt, Jörg Wallaschek
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A018, June 7–11, 2021
Paper No: GT2021-59272
DOI: https://doi.org/10.1115/GT2021-59272
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Topics: Blades, Control algorithms, Control systems, Dampers, Damping, Degrees of freedom, Friction, Mode shapes, Stress, Turbine blades
Proceedings Papers

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Elia Iseli, Jürg Schiffmann
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A013, June 7–11, 2021
Paper No: GT2021-59513
DOI: https://doi.org/10.1115/GT2021-59513
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Topics: Bearings, Rotors, Stability, Compressibility, Gas bearings, Transients (Dynamics), Center of mass, Equations of motion, Excitation, Fluids
Proceedings Papers

Integration of an Open Source Blade Geometry Generator Using a Physics Based Parameterization With the Engineering Sketch Pad

Mayank Sharma, John F. Dannenhoffer, III, Justin Holder, Mark G. Turner
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A048, September 21–25, 2020
Paper No: GT2020-15943
DOI: https://doi.org/10.1115/GT2020-15943
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Topics: Blades, Generators, Geometry, Physics, Design, B-splines, Pressure, Airfoils, Computation, Finite element methods
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
Paper No: GT2020-14475
DOI: https://doi.org/10.1115/GT2020-14475
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Topics: Acoustics, Finite element methods, Damping, Diffusion (Physics), Mode shapes, Stability