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Proceedings Papers

Investigation on Strain and Stress Principal Axes in Unsteady DNS Turbine Data

D. Lengani, D. Simoni, L. De Vincentiis, K. Ðurović, J. Pralits, D. S. Henningson, A. Hanifi

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A031, June 13–17, 2022

Paper No: GT2022-83197

DOI: https://doi.org/10.1115/GT2022-83197

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Topics: Stress, Turbines, Turbulence, Tensors, Eigenvalues, Blades, Boundary layers, Reynolds stress, Suction, Cascades (Fluid dynamics)

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

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

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm

Nikhil Balasubramanian, Driek Rouwenhorst, Jakob Hermann

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A001, June 13–17, 2022

Paper No: GT2022-80650

DOI: https://doi.org/10.1115/GT2022-80650

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Topics: Algorithms, Filters, Modeling, Dynamics (Mechanics), Noise (Sound), Combustion, Kalman filters, Combustion chambers, Damping, Gas turbines

Proceedings Papers

The Nonlinear Thermoacoustic Eigenvalue Problem and Its Rational Approximations: Assessment of Solution Strategies

Moritz Merk, Philip E. Buschmann, Jonas P. Moeck, Wolfgang Polifke

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A011, June 13–17, 2022

Paper No: GT2022-79653

DOI: https://doi.org/10.1115/GT2022-79653

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Topics: Approximation, Eigenvalues, Combustion chambers, Flames, Thermoacoustics

Proceedings Papers

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

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A026, June 13–17, 2022

Paper No: GT2022-80785

DOI: https://doi.org/10.1115/GT2022-80785

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Topics: Acoustics, Combustion chambers, Cavities, Dimensionless numbers, Eigenvalues, Flames, Flow (Dynamics), Gas turbines, Network models, Switches

Proceedings Papers

Mistuning Effects on Aero-Elastic Stability of Civil Transonic Fan Blades

Bo Lian, Xiaocheng Zhu, Zhaohui Du

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, V08AT21A005, June 13–17, 2022

Paper No: GT2022-80613

DOI: https://doi.org/10.1115/GT2022-80613

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Topics: Blades, Damping, Eigenvalues, Flutter (Aerodynamics), Stability, Design, Commercial air transport, Engineering simulation, Engines, Errors

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

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

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

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

2 3 4 5

NARROW

Investigation on Strain and Stress Principal Axes in Unsteady DNS Turbine Data

Mixed Whirl Modes in Numerical Rotordynamics Analysis

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

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm

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

Mistuning Effects on Aero-Elastic Stability of Civil Transonic Fan Blades

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

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

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

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

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