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Proceedings Papers

An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor

Yujun Leng, Jhansi R. Dodda, Nicole L. Key
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121838
https://doi.org/10.1115/GT2024-121838
View Paper titled, An Experimental Study on the Effects of Non-Uniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor
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Topics: Bladed disks, Compressors, Damping, Rotors, Blades, Stators, Excitation, Engines, Flow (Dynamics), Fourier analysis
Proceedings Papers

Experimental Nonlinear Analysis of Pre-Loaded Turbine Blades Dynamics With Frictional Shroud Contact

Hugo de Filippis, Fabrice Thouverez, Laurent Blanc, Patrick Girard, Fabrice Chevillot
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101727
https://doi.org/10.1115/GT2023-101727
View Paper titled, Experimental Nonlinear Analysis of Pre-Loaded Turbine Blades Dynamics With Frictional Shroud Contact
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Topics: Blades, Damping, Dynamics (Mechanics), Friction, Modal analysis, Turbine blades, Manufacturing, Torsion, Excitation, Pressure
Proceedings Papers

Non-Linear Numerical Simulation of Pre-Loaded Turbine Blades With Frictional Shroud Contact Under Dynamic Conditions

Hugo de Filippis, Fabrice Thouverez, Laurent Blanc, Patrick Girard, Fabrice Chevillot
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79918
https://doi.org/10.1115/GT2022-79918
View Paper titled, Non-Linear Numerical Simulation of Pre-Loaded Turbine Blades With Frictional Shroud Contact Under Dynamic Conditions
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Topics: Blades, Computer simulation, Friction, Turbine blades, Manufacturing, Torsion, Turbines, Geometry, Pressure, Computer software
Proceedings Papers

Simulation and Investigation of an Intentionally Mistuned Blisk Rotor in a High Pressure Compressor

Jingjie Yang, Bernd Beirow, Thomas Giersch
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82576
https://doi.org/10.1115/GT2022-82576
View Paper titled, Simulation and Investigation of an Intentionally Mistuned Blisk Rotor in a High Pressure Compressor
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Topics: Compressors, High pressure (Physics), Rotors, Simulation, Blades, Manufacturing, Vibration, Disks, Aircraft engines, Computational fluid dynamics
Proceedings Papers

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A026, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82830
https://doi.org/10.1115/GT2022-82830
View Paper titled, Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials
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Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design
Proceedings Papers

Influence of Yawed Wind Flow on the Blade Forces/Bending Moments and Blade Elastic Torsion for an Axial-Flow Wind Turbine

Mohammad H. B. Ahmadi, Zhiyin Yang
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T40A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60237
https://doi.org/10.1115/GT2021-60237
View Paper titled, Influence of Yawed Wind Flow on the Blade Forces/Bending Moments and Blade Elastic Torsion for an Axial-Flow Wind Turbine
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Topics: Axial flow, Blades, Flow (Dynamics), Torsion, Wind, Wind turbines, Risk-based maintenance, Rotors, Actuators, Horizontal axis wind turbines
Proceedings Papers

Higher-Order Conceptual Model for Labyrinth Seal Flutter

Roque Corral, Michele Greco, Almudena Vega
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14387
https://doi.org/10.1115/GT2020-14387
View Paper titled, Higher-Order Conceptual Model for Labyrinth Seal Flutter
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Topics: Flutter (Aerodynamics), Cavities, Flow (Dynamics), High pressure (Physics), Cycles, Design, Engineering simulation, Simulation, Stability, Torsion
Proceedings Papers

Modal Velocity Perturbation Method for Contact Fatigue at Blade Attachment Under Resonant Vibration

Olivier J. Lamicq, Loc Q. Duong
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT26A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14246
https://doi.org/10.1115/GT2020-14246
View Paper titled, Modal Velocity Perturbation Method for Contact Fatigue at Blade Attachment Under Resonant Vibration
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Topics: Blades, Fatigue, Resonance, Vibration, Disks, Design, Fatigue damage, Fatigue life, Finite element analysis, Friction
Proceedings Papers

Aeroelastic Modelling of Three-Dimensional Lifting Bodies With an Accelerated Boundary Element Method

Ludwig Könnecke, Joseph Saverin
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15613
https://doi.org/10.1115/GT2020-15613
View Paper titled, Aeroelastic Modelling of Three-Dimensional Lifting Bodies With an Accelerated Boundary Element Method
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Topics: Boundary element methods, Modeling, Lift (Fluid dynamics), Deflection, Euler-Bernoulli beam theory, Simulation, Simulation results, Torsion, Wings
Proceedings Papers

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System

Alexander Kuntze, Stefan Odenbach, Wieland Uffrecht
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15498
https://doi.org/10.1115/GT2020-15498
View Paper titled, Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disc System
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Topics: Disks, Friction, Rotors, Shear stress, Stators, Torque, Sensors, Displacement, Heat transfer coefficients, Reynolds number
Proceedings Papers

A Critical Plane Approach for LCF Evaluation of Gas Turbine Disks and Rotors

Andrea Riva, Sergei Riazantsev, Stefano Foletti, Stefano Beretta
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A014, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91572
https://doi.org/10.1115/GT2019-91572
View Paper titled, A Critical Plane Approach for LCF Evaluation of Gas Turbine Disks and Rotors
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Topics: Disks, Gas turbines, Rotors, Damage, Stress, Fatigue damage, High temperature, Low cycle fatigue, Shear (Mechanics), Testing
Proceedings Papers

Conceptual Flutter Analysis of Stepped Labyrinth Seals

Roque Corral, Almudena Vega, Michele Greco
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A021, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91621
https://doi.org/10.1115/GT2019-91621
View Paper titled, Conceptual Flutter Analysis of Stepped Labyrinth Seals
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Topics: Flutter (Aerodynamics), Torsion, Stability, Acoustics, Cycles, Damping, Displacement, Pressure
Proceedings Papers

Investigation of Stress-Strain Behavior of a Component Under Variable Frequency Non-Proportional Loading

Yifeng Hu, Gang Chen, Weizhe Wang
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT30A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76768
https://doi.org/10.1115/GT2018-76768
View Paper titled, Investigation of Stress-Strain Behavior of a Component Under Variable Frequency Non-Proportional Loading
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Topics: Stress, Torsion, Cycles, Tension, Cylinders, Hardening
Proceedings Papers

Torsional Response of Additively Manufactured Steel Under Monotonic and Cyclic Conditions

Sanna F. Siddiqui, Abiodun A. Fasoro, Ali P. Gordon
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A022, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76831
https://doi.org/10.1115/GT2018-76831
View Paper titled, Torsional Response of Additively Manufactured Steel Under Monotonic and Cyclic Conditions
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Topics: Additive manufacturing, Steel, Fatigue, Aerospace industry, Design, Fracture (Materials), Fracture (Process), Lasers, Manufacturing, Metals
Proceedings Papers

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models: Part I — Theoretical Support

Roque Corral, Almudena Vega
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75958
https://doi.org/10.1115/GT2018-75958
View Paper titled, Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models: Part I — Theoretical Support
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Topics: Flutter (Aerodynamics), Cavities, Stability, Cycles, Fluids, Acoustics, Resonance, Clearances (Engineering), Damping, Geometry
Proceedings Papers

Aeroelastic Analysis of Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood for Various Non-Nominal Regimes

Romuald Rzadkowski, Vitaly Gnesin, Lubov Kolodyazhnaya, Ryszard Szczepanik
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75300
https://doi.org/10.1115/GT2018-75300
View Paper titled, Aeroelastic Analysis of Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood for Various Non-Nominal Regimes
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Topics: Blades, Exhaust systems, Rotors, Steam turbines, Oscillations, Pressure, Stators, Stress, Turbines, Algorithms
Proceedings Papers

The Validation of Flutter Prediction in a Linear Cascade of Non-Rigid Turbine Blades

Vaclav Slama, Bartolomej Rudas, Jiri Ira, Ales Macalka, Petr Eret, Volodymyr Tsymbalyuk
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75502
https://doi.org/10.1115/GT2018-75502
View Paper titled, The Validation of Flutter Prediction in a Linear Cascade of Non-Rigid Turbine Blades
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Topics: Cascades (Fluid dynamics), Flutter (Aerodynamics), Turbine blades, Blades, Aerodynamics, Design, Engineering simulation, Fluid-dynamic forces, Simulation, Steam turbines
Proceedings Papers

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models: Part II — Physical Interpretation

Almudena Vega, Roque Corral
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75831
https://doi.org/10.1115/GT2018-75831
View Paper titled, Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models: Part II — Physical Interpretation
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Topics: Flutter (Aerodynamics), Cavities, Stability, Cycles, Fluids, Acoustics, Resonance, Clearances (Engineering), Damping, Geometry
Proceedings Papers

Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings

Jinge Chen, Xin Shen, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T48A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75889
https://doi.org/10.1115/GT2018-75889
View Paper titled, Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings
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Topics: Blades, Stress, Wind turbines, Deformation, Torsion, Energy generation, Wind velocity, Aerodynamics, Deflection, Euler-Bernoulli beam theory
Proceedings Papers

System Eigenvalue Identification of Mistuned Bladed Disks Using Least-Squares Complex Frequency-Domain Method

Yuan Huang, Grigorios Dimitriadis, Robert E. Kielb, Jing Li
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63008
https://doi.org/10.1115/GT2017-63008
View Paper titled, System Eigenvalue Identification of Mistuned Bladed Disks Using Least-Squares Complex Frequency-Domain Method
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Topics: Disks, Eigenvalues, Rotors, Compressors, Damping, Algorithms, Errors, Frequency response, Poles (Building), Polynomials