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Proceedings Papers

Experimental Investigation of Friction Damping in Blade Root Joints

Daniele Botto, Veronica Iannotti, Federica Cuccovillo
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A008, June 13–17, 2022
Paper No: GT2022-81663
https://doi.org/10.1115/GT2022-81663
View Paper titled, Experimental Investigation of Friction Damping in Blade Root Joints
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Topics: Blades, Damping, Friction, Disks, Stress, Vibration, Design, Dynamics (Mechanics), Excitation systems, Experimental analysis
Proceedings Papers

Method of Analysis for Impact of Input Uncertainty Error Propagation in a Highly Nonlinear System: Applied to Modern Aircraft Engine

Timothy Castaldo
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A011, June 13–17, 2022
Paper No: GT2022-82219
https://doi.org/10.1115/GT2022-82219
View Paper titled, Method of Analysis for Impact of Input Uncertainty Error Propagation in a Highly Nonlinear System: Applied to Modern Aircraft Engine
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Topics: Aircraft engines, Errors, Nonlinear systems, Uncertainty
Proceedings Papers

Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation

Alwin Förster, Lars Panning-von Scheidt
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A003, June 7–11, 2021
Paper No: GT2021-58437
https://doi.org/10.1115/GT2021-58437
View Paper titled, Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation
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Topics: Excitation, Nonlinear systems, Random excitation, Vibration, Structural analysis, Structural mechanics, Turbine blades, Turbomachinery, White noise
Proceedings Papers

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A008, September 21–25, 2020
Paper No: GT2020-14282
https://doi.org/10.1115/GT2020-14282
View Paper titled, Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study
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Topics: Excitation, Turbine blades, Blades, Engines, Vibration, Spectra (Spectroscopy), Aerodynamics, Disks, Fluid-dynamic forces, Geometry
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
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

LPV Based Sliding Mode Control for Limit Protection of Aircraft Engines

Shubo Yang, Xi Wang
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A030, June 11–15, 2018
Paper No: GT2018-77236
https://doi.org/10.1115/GT2018-77236
View Paper titled, LPV Based Sliding Mode Control for Limit Protection of Aircraft Engines
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Topics: Aircraft engines, Sliding mode control, Control equipment, Design, Stability, Closed loop systems, Engines, Gain scheduling, Aerospace industry, Control systems
Proceedings Papers

Sliding Controller Design for Aero-Engines With the Rate Limitation of Actuators

Shubo Yang, Xi Wang
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A009, June 26–30, 2017
Paper No: GT2017-63571
https://doi.org/10.1115/GT2017-63571
View Paper titled, Sliding Controller Design for Aero-Engines With the Rate Limitation of Actuators
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Topics: Actuators, Aircraft engines, Control equipment, Design, Sliding mode control, Closed loop systems, Engines, Energy generation, Equilibrium (Physics), Errors
Proceedings Papers

Investigation on the Turbine Blade Tip Clearance Measurement and Active Clearance Control Based on Eddy Current Pulse-Trigger Method

Weimin Wang, Huajin Shao, Xing Shao, Kailiang Song
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT35A016, June 26–30, 2017
Paper No: GT2017-63980
https://doi.org/10.1115/GT2017-63980
View Paper titled, Investigation on the Turbine Blade Tip Clearance Measurement and Active Clearance Control Based on Eddy Current Pulse-Trigger Method
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Topics: Clearances (Engineering), Eddies (Fluid dynamics), Eddy currents (Electricity), Turbine blades, Displacement, Blades, Rotors, Pressure, Sensors, Stress
Proceedings Papers

A Taylor Series Expansion Approach for Nonlinear Blade Forced Response Prediction Considering Variable Rotational Speed

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A005, June 13–17, 2016
Paper No: GT2016-56375
https://doi.org/10.1115/GT2016-56375
View Paper titled, A Taylor Series Expansion Approach for Nonlinear Blade Forced Response Prediction Considering Variable Rotational Speed
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Topics: Algebra, Blades, Degrees of freedom, Dimensions, Disks, Eigenvalues, Friction, Nonlinear systems, Stiffness, Tradeoffs
Proceedings Papers

A Practical Approach for Evaluation of Equivalent Linear Damping From Measurements of Mistuned and/or Non-Linear Stages and Forced Response Validation

Andreas Hartung, Hans-Peter Hackenberg
Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT32A007, June 13–17, 2016
Paper No: GT2016-56435
https://doi.org/10.1115/GT2016-56435
View Paper titled, A Practical Approach for Evaluation of Equivalent Linear Damping From Measurements of Mistuned and/or Non-Linear Stages and Forced Response Validation
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Topics: Damping, Blades, Design, Nonlinear systems, Signals
Proceedings Papers

Orbit-Model Force Coefficients for Fluid Film Bearings: A Step Beyond Linearization

Luis San Andrés, Sung-Hwa Jeung
Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT31A020, June 15–19, 2015
Paper No: GT2015-43487
https://doi.org/10.1115/GT2015-43487
View Paper titled, Orbit-Model Force Coefficients for Fluid Film Bearings: A Step Beyond Linearization
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Topics: Bearings, Fluid films, Rotors, Dampers, Equilibrium (Physics), Advanced materials, Clearances (Engineering), Computational physics, Computer simulation, Damping
Proceedings Papers

Nonlinear Analysis of Rotor-Bearing Systems Using Component Mode Synthesis

H. D. Nelson, W. L. Meacham, D. P. Fleming, A. F. Kascak
Proc. ASME. GT1982, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries; Technology Resources; General, V005T13A027, April 18–22, 1982
Paper No: 82-GT-303
https://doi.org/10.1115/82-GT-303
View Paper titled, Nonlinear Analysis of Rotor-Bearing Systems Using Component Mode Synthesis
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Topics: Bearings, Rotors, Blades, Computer software, Dampers, Dynamics (Mechanics), Nonlinear systems, Shock (Mechanics), Simulation, Stress
Proceedings Papers

Digital Simulation of Thermal Turbomachinery Systems

Ni Wei-Dou, Xu Xian-Dong
Proc. ASME. IGT1985, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels, V002T03A006, September 1–7, 1985
Paper No: 85-IGT-84
https://doi.org/10.1115/85-IGT-84
View Paper titled, Digital Simulation of Thermal Turbomachinery Systems
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Topics: Computer simulation, Turbomachinery, Computational methods, Computers, Cracking (Materials), Fracture (Process), Heat recovery, Nonlinear systems, Transients (Dynamics)
Proceedings Papers

Convergence of Performance Calculation of Twin Spool Turbojet and Turbofan

Zhu Xingjian, Wang Xueyu, Yan Qingjin
Proc. ASME. IGT1985, Volume 1: Aircraft Engine; Turbomachinery, V001T01A004, September 1–7, 1985
Paper No: 85-IGT-82
https://doi.org/10.1115/85-IGT-82
View Paper titled, Convergence of Performance Calculation of Twin Spool Turbojet and Turbofan
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Topics: Turbofans, Turbojets, Engines, Flight, Nonlinear systems
Proceedings Papers

A New Method for Optimizing Friction Damping in Randomly Excited Systems

T. M. Cameron, J. H. Griffin
Proc. ASME. GT1989, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T13A006, June 4–8, 1989
Paper No: 89-GT-108
https://doi.org/10.1115/89-GT-108
View Paper titled, A New Method for Optimizing Friction Damping in Randomly Excited Systems
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Topics: Damping, Friction, Degrees of freedom, Approximation, Fast Fourier transforms, Nonlinear systems, Random excitation, Stress, Turbine blades
Proceedings Papers

Fault Detection and Diagnosis in Gas Turbines

Graeme Merrington, Oh-Kyu Kwon, Graham Goodwin, Bengt Carlsson
Proc. ASME. GT1990, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; General, V005T15A010, June 11–14, 1990
Paper No: 90-GT-339
https://doi.org/10.1115/90-GT-339
View Paper titled, Fault Detection and Diagnosis in Gas Turbines
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Topics: Flaw detection, Gas turbines, Engines, Errors, Maintenance, Military aircraft, Monitoring systems, Noise (Sound), Nonlinear systems, Redundancy (Engineering)
Proceedings Papers

On Calculation and Optimization of Energy Systems

Peter Ortmann, George Gyarmathy
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T10A024, June 10–13, 1996
Paper No: 96-GT-394
https://doi.org/10.1115/96-GT-394
View Paper titled, On Calculation and Optimization of Energy Systems
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Topics: Energy / power systems, Optimization, Gas turbines, Temperature, Compressors, Computers, Cycles, Flue gases, Fuels, Guide vanes
Proceedings Papers

Pareto-Based Multi-Objective Optimization of Recuperated S-CO 2 Brayton Cycles

Mahmood Mohagheghi, Jayanta Kapat, Narasimha Nagaiah
Proc. ASME. GT2014, Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, V03BT36A018, June 16–20, 2014
Paper No: GT2014-27152
https://doi.org/10.1115/GT2014-27152
View Paper titled, Pareto-Based Multi-Objective Optimization of Recuperated S-CO 2 Brayton Cycles
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Topics: Brayton cycle, Pareto optimization, Supercritical carbon dioxide, Cycles, Optimization, Compressors, Temperature, Coolers, Flow (Dynamics), Fuels
Proceedings Papers

Closed Loop Nonlinear System Identification Applied to Gas Turbine Analytics

Chad M. Holcomb, Raymond A. de Callafon, Robert E. Bitmead
Proc. ASME. GT2014, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T06A013, June 16–20, 2014
Paper No: GT2014-26059
https://doi.org/10.1115/GT2014-26059
View Paper titled, Closed Loop Nonlinear System Identification Applied to Gas Turbine Analytics
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Topics: Gas turbines, Nonlinear systems, Condition monitoring, Engines, Reliability, Control equipment, Dynamic response, Equipment performance, Failure, Feedback
Proceedings Papers

Reduced Order Modeling Based on Complex Nonlinear Modal Analysis and its Application to Bladed Disks With Shroud Contact

Malte Krack, Lars Panning-von Scheidt, Jörg Wallaschek, Christian Siewert, Andreas Hartung
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT31A010, June 3–7, 2013
Paper No: GT2013-94560
https://doi.org/10.1115/GT2013-94560
View Paper titled, Reduced Order Modeling Based on Complex Nonlinear Modal Analysis and its Application to Bladed Disks With Shroud Contact
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Topics: Disks, Modal analysis, Modeling, Damping, Design, Flutter (Aerodynamics), Limit cycles, Oscillations, Resonance, Algebra