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Proceedings Papers

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A051, June 7–11, 2021

Paper No: GT2021-59321

DOI: https://doi.org/10.1115/GT2021-59321

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Topics: Acoustics, Damping, Optimization, Combustion chambers, Flow (Dynamics), Porosity, Density, Eigenvalues, Fluctuations (Physics), Modeling

Proceedings Papers

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

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

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A016, June 7–11, 2021

Paper No: GT2021-59126

DOI: https://doi.org/10.1115/GT2021-59126

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Topics: Eigenvalues, Errors, Finite element model, Geometry, Numerical analysis, Optical scanners, Parallel processing, Rotors, Stiffness, Storage

Proceedings Papers

Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A019, September 21–25, 2020

Paper No: GT2020-15148

DOI: https://doi.org/10.1115/GT2020-15148

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Topics: Boundary layers, Flow (Dynamics), Eigenvalues, Turbulence, Pressure gradient, Shear (Mechanics), Stress tensors, Bubbles, Displacement, Energy dissipation

Proceedings Papers

Low Rank Education of Cascade Loss Sensitivity to Unsteady Parameters by Proper Orthogonal Decomposition

D. Lengani, D. Simoni, V. Yepmo, M. Ubaldi, P. Zunino, F. Bertini

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A021, September 21–25, 2020

Paper No: GT2020-15156

DOI: https://doi.org/10.1115/GT2020-15156

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Topics: Cascades (Fluid dynamics), Education, Principal component analysis, Eigenvalues, Flow (Dynamics), Chords (Trusses), Pressure, Approximation, Blades, Design

Proceedings Papers

Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence

M. Dellacasagrande, J. Verdoya, D. Barsi, D. Lengani, D. Simoni

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A038, September 21–25, 2020

Paper No: GT2020-16322

DOI: https://doi.org/10.1115/GT2020-16322

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Topics: Boundary layers, Reynolds number, Turbulence, Wavelength, Fluctuations (Physics), Shear (Mechanics), Vortices, Accounting, Control systems, Density

Proceedings Papers

Energetically Consistent Computation of Combustor Stability With a Model Consisting of a Helmholtz-FEM-Domain and a Low-Order Network

Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A032, September 21–25, 2020

Paper No: GT2020-14610

DOI: https://doi.org/10.1115/GT2020-14610

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Topics: Combustion chambers, Computation, Finite element methods, Finite element model, Stability, Acoustics, Damping, Eigenvalues, Flow (Dynamics), Boundary-value problems

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

Paper No: GT2020-14699

DOI: https://doi.org/10.1115/GT2020-14699

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Topics: Combustion chambers, Eigenvalues, Flames, Delays, Energy generation, Perturbation theory, Polynomials, Resolution (Optics), Stability, Turbines

Proceedings Papers

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

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A036, September 21–25, 2020

Paper No: GT2020-14665

DOI: https://doi.org/10.1115/GT2020-14665

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Topics: Boundary-value problems, Combustion chambers, Acoustics, Eigenvalues, Waves, Combustion systems, Compressors, Electrical conductivity, Flames, Frequency response

Proceedings Papers

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

Felicitas Schäfer, Shuai Guo, Wolfgang Polifke

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A014, September 21–25, 2020

Paper No: GT2020-15496

DOI: https://doi.org/10.1115/GT2020-15496

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Topics: Reliability, Stability, Eigenvalues, Flames, Algorithms, Computation, Dynamics (Mechanics), Eigenfunctions, Modeling, Numerical stability

Proceedings Papers

Analysis of Autoignition Chemistry in Aeroderivative Premixers at Engine Conditions

Sandeep Jella, Gilles Bourque, Pierre Gauthier, Philippe Versailles, Jeffrey Bergthorson, Ji-Woong Park, Tianfeng Lu, Snehashish Panigrahy, Henry Curran

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A023, September 21–25, 2020

Paper No: GT2020-15697

DOI: https://doi.org/10.1115/GT2020-15697

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Topics: Chemistry, Engines, Explosives, Flames, Fuels, Risk, Ethers (Class of compounds), Ignition delay, Methane, Chemical kinetics

Proceedings Papers

Study on the Reduction of the Resonant Stress of Turbine Blades Caused by the Stage Interaction Force (Simultaneous Optimization of Blade Resonant Stress and Amount of Unbalance)

Yasutomo Kaneko, Toshio Watanabe, Tatsuya Furukawa

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A002, September 21–25, 2020

Paper No: GT2020-14031

DOI: https://doi.org/10.1115/GT2020-14031

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Topics: Blades, Optimization, Resonance, Stress, Turbine blades, Disks, Design, Countermeasures, High cycle fatigue, Aircraft engines

Proceedings Papers

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

Anthony Tacher, Fabrice Thouverez, Jason Armand

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A026, September 21–25, 2020

Paper No: GT2020-15343

DOI: https://doi.org/10.1115/GT2020-15343

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Topics: Coriolis force, Eigenvalues, Standing waves, Lumped parameter models, Modal analysis, Traveling waves

Proceedings Papers

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

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A034, September 21–25, 2020

Paper No: GT2020-15539

DOI: https://doi.org/10.1115/GT2020-15539

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Topics: Rotors, Elastic moduli, Finite element model, Algorithms, Blades, Damage, Dynamic response, Eigenvalues, Excitation, Geometry

Proceedings Papers

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

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

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A029, September 21–25, 2020

Paper No: GT2020-15481

DOI: https://doi.org/10.1115/GT2020-15481

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Topics: Airfoils, Finite element model, Geometry, Optimization, Blades, High cycle fatigue, Maintenance, Manufacturing, Rotors, Accounting

Proceedings Papers

On the Effect and Analysis of Fluid-Structural Mode Coupling

Mani Sadeghi, Ming-Ta Yang, Huan-Min Shang, Eric Grover

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A012, September 21–25, 2020

Paper No: GT2020-15083

DOI: https://doi.org/10.1115/GT2020-15083

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Topics: Acoustics, Aerodynamics, Aeroelasticity, Aircraft, Cycles, Design, Dynamic stability, Dynamics (Mechanics), Eigenvalues, Flow (Dynamics)

Proceedings Papers

Intelligent Fault Diagnosis of Planetary Wheel Bearing Using Constrained Independent Component Analysis and Stacked Sparse Autoencoder

Hongkun Li, Gangjin Huang, Jiayu Ou, Yuanliang Zhang

Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A009, September 21–25, 2020

Paper No: GT2020-15311

DOI: https://doi.org/10.1115/GT2020-15311

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Topics: Bearings, Fault diagnosis, Independent component analysis, Wheels, Signals, Machinery, Aerospace industry, Eigenvalues, Maintenance, Mechanical drives

Proceedings Papers

Analysis of Intentional Mistuning on the Aeroelastic Stability of Freestanding Last Stage Blade Rows in Steam Turbines

Christian Siewert, Oliver Pütz, Jonas Eigemann

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A010, September 21–25, 2020

Paper No: GT2020-14656

DOI: https://doi.org/10.1115/GT2020-14656

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Topics: Blades, Stability, Steam turbines, Vibration, Damping, Flutter (Aerodynamics), Computational fluid dynamics, Manufacturing, Mechanical properties, Stiffness

Proceedings Papers

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the P-K Method

Matthias Schuff, Virginie Anne Chenaux

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A001, September 21–25, 2020

Paper No: GT2020-14105

DOI: https://doi.org/10.1115/GT2020-14105

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Topics: Blades, Flutter (Aerodynamics), Turbomachinery, Damping, Design, Eigenvalues, Engineering simulation, Excitation, Fluids, Mode shapes

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

Paper No: GT2019-90834

DOI: https://doi.org/10.1115/GT2019-90834

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Topics: Eigenvalues, Combustion chambers, Flames, Oscillations, Stability, Combustion, Computation, Dynamics (Mechanics), Finite element analysis, Gas turbines

Proceedings Papers

Effects of Fuel Staging on the Hydrodynamic Stability of Multi Nozzle Swirl Flows

Saarthak Gupta, Kiran Manoharan, Santosh Hemchandra

Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A012, June 17–21, 2019

Paper No: GT2019-91152

DOI: https://doi.org/10.1115/GT2019-91152

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Topics: Flow (Dynamics), Fuels, Hydrodynamic stability, Nozzles, Oscillations, Combustion chambers, Heat, Acoustics, Combustion, Density

2 3 4 5

NARROW

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Numerical Methods for Calculating Component Modes for Geometric Mistuning Reduced-Order Models

Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers

Low Rank Education of Cascade Loss Sensitivity to Unsteady Parameters by Proper Orthogonal Decomposition

Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence

Energetically Consistent Computation of Combustor Stability With a Model Consisting of a Helmholtz-FEM-Domain and a Low-Order Network

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

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

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

Analysis of Autoignition Chemistry in Aeroderivative Premixers at Engine Conditions

Study on the Reduction of the Resonant Stress of Turbine Blades Caused by the Stage Interaction Force (Simultaneous Optimization of Blade Resonant Stress and Amount of Unbalance)

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

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

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

On the Effect and Analysis of Fluid-Structural Mode Coupling

Intelligent Fault Diagnosis of Planetary Wheel Bearing Using Constrained Independent Component Analysis and Stacked Sparse Autoencoder

Analysis of Intentional Mistuning on the Aeroelastic Stability of Freestanding Last Stage Blade Rows in Steam Turbines

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the P-K Method

Solution of Thermoacoustic Eigenvalue Problems With a Non-Iterative Method

Effects of Fuel Staging on the Hydrodynamic Stability of Multi Nozzle Swirl Flows

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