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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60238
https://doi.org/10.1115/GT2021-60238
View Paper titled, Gaussian Stochastic Process Modeling of Blend Repaired Airfoil Modal Response Using Reduced Basis Mode Shape Approach
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Topics: Airfoils, Mode shapes, Modeling, Stochastic processes, Modal assurance criterion, Maintenance, Displacement, Geometry, Design, Finite element model
Proceedings Papers

Automatically Designed Deep Gaussian Process for Turbomachinery Application

Yuan Jin, Jin Chai, Olivier Jung
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58469
https://doi.org/10.1115/GT2021-58469
View Paper titled, Automatically Designed Deep Gaussian Process for Turbomachinery Application
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Topics: Turbomachinery, Turbines, Design, Artificial neural networks, Blades, Dimensions, Pressure, Robustness, Stochastic processes
Proceedings Papers

Novel Cyclo-Non-Stationary Indicators for Monitoring of Rotating Machinery Operating Under Speed and Load Varying Conditions

Alexandre Mauricio, Dustin Helm, Markus Timusk, Jerome Antoni, Konstantinos Gryllias
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15245
https://doi.org/10.1115/GT2020-15245
View Paper titled, Novel Cyclo-Non-Stationary Indicators for Monitoring of Rotating Machinery Operating Under Speed and Load Varying Conditions
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Topics: Machinery, Stress, Signals, Condition monitoring, Failure, Maintenance, Bearings, Damage, Density, Excitation
Proceedings Papers

Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14264
https://doi.org/10.1115/GT2020-14264
View Paper titled, Equivalent Linearization of Bladed Disk Assemblies With Friction Nonlinearities Under Random Excitation
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Topics: Disks, Friction, Random excitation, Excitation, Dampers, Degrees of freedom, Manufacturing, Energy dissipation, Linear systems, Nonlinear equations
Proceedings Papers

Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter

Klaus Helbig, Dennis Jarmowski, Felix Koelzow, Christian Kontermann
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A025, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91297
https://doi.org/10.1115/GT2019-91297
View Paper titled, Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter
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Topics: Electromagnetic scattering, Steel, Uncertainty, Creep, Stress, Damage, Fracture (Materials), Parameter estimation, Probability, Transients (Dynamics)
Proceedings Papers

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
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A013, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90923
https://doi.org/10.1115/GT2019-90923
View Paper titled, Geometric Mistuning Reduced Order Model Development Utilizing Bayesian Surrogate Models for Component Mode Calculations
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Topics: Design, Errors, Finite element model, Geometry, Materials properties, Modal analysis, Mode shapes, Model development, Periodic structures, Rotors
Proceedings Papers

Emulation of As-Manufactured Transonic Rotor Airfoil Modal Behavior and the Significance of Frequency Veering

Jeffrey M. Brown, Emily B. Carper, Joseph A. Beck, Alexander A. Kaszynski
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A023, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91670
https://doi.org/10.1115/GT2019-91670
View Paper titled, Emulation of As-Manufactured Transonic Rotor Airfoil Modal Behavior and the Significance of Frequency Veering
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Topics: Airfoils, Rotors, Geometry, Mode shapes, Compressors, Physics, Principal component analysis, Regression models, Resonance, Stochastic processes
Proceedings Papers

Vibration Based Condition Monitoring of Wind Turbine Gearboxes Based on Cyclostationary Analysis

Alexandre Mauricio, Junyu Qi, Konstantinos Gryllias
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A017, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76993
https://doi.org/10.1115/GT2018-76993
View Paper titled, Vibration Based Condition Monitoring of Wind Turbine Gearboxes Based on Cyclostationary Analysis
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Topics: Condition monitoring, Vibration, Wind turbines, Bearings, Filtration, Mechanical drives, Electromagnetic spectrum, Machinery, Rolling bearings, Signals
Proceedings Papers

Application of Cyclo-Non-Stationary Indicators for Bearing Monitoring Under Varying Operating Conditions

Konstantinos Gryllias, Simona Moschini, Jerome Antoni
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A021, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64443
https://doi.org/10.1115/GT2017-64443
View Paper titled, Application of Cyclo-Non-Stationary Indicators for Bearing Monitoring Under Varying Operating Conditions
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Topics: Bearings, Machinery, Signals, Condition monitoring, Engines, Aircraft engines, Maintenance, Stress, Vibration, Acoustics
Proceedings Papers

Investigation of Cycle-to-Cycle Variability in an Unstable Gas Turbine Combustor

Tim C. Lieuwen, Ben T. Zinn
Proc. ASME. GT2000, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T02A002, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0081
https://doi.org/10.1115/2000-GT-0081
View Paper titled, Investigation of Cycle-to-Cycle Variability in an Unstable Gas Turbine Combustor
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Topics: Combustion chambers, Cycles, Gas turbines, Oscillations, Pressure, Dynamics (Mechanics), Limit cycles, Noise (Sound), Steady state, Stochastic processes
Proceedings Papers

Probabilistic Fretting Fatigue Assessment of Aircraft Engine Disks

Michael P. Enright, Kwai S. Chan, Jonathan P. Moody, Patrick J. Golden, Ramesh Chandra, Alan C. Pentz
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 1135-1146, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-60224
https://doi.org/10.1115/GT2009-60224
View Paper titled, Probabilistic Fretting Fatigue Assessment of Aircraft Engine Disks
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Topics: Aircraft engines, Disks, Fatigue, Stress, Fracture (Materials), Fatigue cracks, Engines, Gas turbines, Inspection, Uncertainty
Proceedings Papers

Model Based Active Combustion Control Concept for Reduction of Pulsations and NOx Emissions in Lean Premixed Gas Turbine Combustors

Ernst Schneider, Stephan Staudacher, Bruno Schuermans, Haiwen Ye
Proc. ASME. GT2008, Volume 2: Controls, Diagnostics and Instrumentation; Cycle Innovations; Electric Power, 67-76, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50326
https://doi.org/10.1115/GT2008-50326
View Paper titled, Model Based Active Combustion Control Concept for Reduction of Pulsations and NOx Emissions in Lean Premixed Gas Turbine Combustors
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Topics: Combustion, Combustion chambers, Emissions, Gas turbines, Nitrogen oxides, Fuels, Algorithms, Artificial neural networks, Control systems, Delays
Proceedings Papers

Real-Time Modelling of the Thermoacoustic Dynamics of a Gas Turbine Using a Gaussian Process

Ernst Schneider, Stephan Staudacher, Bruno Schuermans, Haiwen Ye, Thiemo Meeuwissen
Proc. ASME. GT2007, Volume 2: Turbo Expo 2007, 323-332, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27468
https://doi.org/10.1115/GT2007-27468
View Paper titled, Real-Time Modelling of the Thermoacoustic Dynamics of a Gas Turbine Using a Gaussian Process
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Topics: Dynamics (Mechanics), Gas turbines, Modeling, Combustion chambers, Acoustics, Control algorithms, Design, Engines, Simulation, Artificial neural networks
Proceedings Papers

Large-Eddy Simulation of Atomizing Spray With Stochastic Modeling of Secondary Breakup

Sourabh V. Apte, Mikhael Gorokhovski, Parviz Moin
Proc. ASME. GT2003, Volume 2: Turbo Expo 2003, 479-488, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38662
https://doi.org/10.1115/GT2003-38662
View Paper titled, Large-Eddy Simulation of Atomizing Spray With Stochastic Modeling of Secondary Breakup
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Topics: Large eddy simulation, Modeling, Sprays, Drops, Particulate matter, Combustion chambers, Dynamics (Mechanics), Combustion, Diesel, Ejectors
Proceedings Papers

A Stochastic Model for a Compressor Stability Measure

Manuj Dhingra, Yedidia Neumeier, J. V. R. Prasad, Andrew Breeze-Stringfellow, Hyoun-Woo Shin, Peter N. Szucs
Proc. ASME. GT2006, Volume 2: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Environmental and Regulatory Affairs, 833-843, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-91182
https://doi.org/10.1115/GT2006-91182
View Paper titled, A Stochastic Model for a Compressor Stability Measure
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Topics: Compressors, Stability, Stochastic processes, Flow (Dynamics), Gages, Model development, Model validation, Rotors