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Proceedings Papers

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects

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Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
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, V10AT21A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129074
https://doi.org/10.1115/GT2024-129074
View Paper titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects
Open the PDF for Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects in another window
Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Mach number, Oscillations, Pressure, Turbines, Damping, Vibration, Blades
Proceedings Papers

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects

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Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
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, V10AT21A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129134
https://doi.org/10.1115/GT2024-129134
View Paper titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects
Open the PDF for Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects in another window
Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Oscillations, Pressure, Turbines, Vibration, Dry friction, Friction, Aerodynamics
Proceedings Papers

Forced Response of Bladed Disks With Excitation Variability

Open Access

Yue Xiao, Lars Panning-von Scheidt
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122504
https://doi.org/10.1115/GT2024-122504
View Paper titled, Forced Response of Bladed Disks With Excitation Variability
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Topics: Bladed disks, Excitation, Blades, Turbomachinery, Vibration, Couplings, Damage, Design, Dry friction, Mechanical properties
Proceedings Papers

A Static/Dynamic Coupled Harmonic Balance Method for Dry Friction Systems Containing Rigid Body Modes

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Jiale Liu, Yu Fan, Jian Wu, Yaguang Wu, Qingyang Shen, Dayi Zhang
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125447
https://doi.org/10.1115/GT2024-125447
View Paper titled, A Static/Dynamic Coupled Harmonic Balance Method for Dry Friction Systems Containing Rigid Body Modes
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Topics: Dampers, Dry friction
Proceedings Papers

A Fretting Wear Test Rig With Time-Varying Normal Force Based on Closed-Loop Controlled Piezoelectric Actuator

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Yu Fan, Jing Wang, Huiru Fan, Yekai Sun, Qian Gao, Jiale Liu, Yaguang Wu
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT27A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125428
https://doi.org/10.1115/GT2024-125428
View Paper titled, A Fretting Wear Test Rig With Time-Varying Normal Force Based on Closed-Loop Controlled Piezoelectric Actuator
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Topics: Dry friction, Piezoelectric actuators, Wear, Wear testing, Damping, Friction, Control equipment, Dampers, Data acquisition, Flow (Dynamics)
Proceedings Papers

Dynamic Prediction of Elastic-Supported Rotor With Friction Damper Based on 3D Contact Model

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Yu Fan, Shengshuo Wang, Yaguang Wu, Shanzi Zhang, Yiwen Shen, Mingmin Chen
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125492
https://doi.org/10.1115/GT2024-125492
View Paper titled, Dynamic Prediction of Elastic-Supported Rotor With Friction Damper Based on 3D Contact Model
Open the PDF for Dynamic Prediction of Elastic-Supported Rotor With Friction Damper Based on 3D Contact Model in another window
Topics: Dampers, Dry friction, Friction, Rotors, Vibration, Aircraft engines, Damping, Dimensions, Finite element model, Fluctuations (Physics)
Proceedings Papers

Influence of the Contact Interfaces on the Dynamics and Power Flow Behavior of the Bolted Structure

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Yongfeng Wang, Yanhong Ma, Jie Hong, Giuseppe Battiato, Christian Maria Firrone
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A027, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82840
https://doi.org/10.1115/GT2022-82840
View Paper titled, Influence of the Contact Interfaces on the Dynamics and Power Flow Behavior of the Bolted Structure
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Topics: Bolted flanges, Dynamics (Mechanics), Flow (Dynamics), Vibration, Energy dissipation, Manufacturing, Aircraft engines, Bolted joints, Damping, Dry friction
Proceedings Papers

A Linearization Method Based on 3D Contact Model for the Steady-State Analysis Towards Complex Engineering Structures Containing Friction

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Fucai Xiao, Lin Li, Yaguang Wu, Yu Fan, Hui Zhang
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A019, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82413
https://doi.org/10.1115/GT2022-82413
View Paper titled, A Linearization Method Based on 3D Contact Model for the Steady-State Analysis Towards Complex Engineering Structures Containing Friction
Open the PDF for A Linearization Method Based on 3D Contact Model for the Steady-State Analysis Towards Complex Engineering Structures Containing Friction in another window
Topics: Dampers, Dry friction, Friction, Steady state, Structures
Proceedings Papers

On the Dynamic Response of a Two-Degree-of-Freedom System With Dry Friction and Elastic Stop

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Liming Jiang, Zhimin Su, Jie Hong, Yanhong Ma
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A024, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82779
https://doi.org/10.1115/GT2022-82779
View Paper titled, On the Dynamic Response of a Two-Degree-of-Freedom System With Dry Friction and Elastic Stop
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Topics: Dry friction, Dynamic response, Friction, Stability, Bifurcation, Excitation, Collisions (Physics), Cycles, Dampers, Design
Proceedings Papers

On the Performance of Wave-Like Dry Friction and Piezoelectric Hybrid Flexible Dampers

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Y. G. Wu, Y. Fan, L. Li, Z. M. Zhao
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58817
https://doi.org/10.1115/GT2021-58817
View Paper titled, On the Performance of Wave-Like Dry Friction and Piezoelectric Hybrid Flexible Dampers
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Topics: Dampers, Dry friction, Waves, Damping, Friction, Piezoelectric materials, Circuits, Actuators, Cantilevers, Finite element model
Proceedings Papers

Vibration Analysis and Methods of Dry Friction Damping of Tubed Vortex Reducer

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Siyuan Chen, Yanrong Wang, Dasheng Wei, Yanbin Luo, Shimin Gao
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14001
https://doi.org/10.1115/GT2020-14001
View Paper titled, Vibration Analysis and Methods of Dry Friction Damping of Tubed Vortex Reducer
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Topics: Damping, Dry friction, Vibration analysis, Vortices
Proceedings Papers

An Energy Method for Assessing the Damping of Turbine Blade Underplatform Damper and Forced Response Verification

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Shimin Gao, Yanrong Wang, Zhiwei Sun
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14532
https://doi.org/10.1115/GT2020-14532
View Paper titled, An Energy Method for Assessing the Damping of Turbine Blade Underplatform Damper and Forced Response Verification
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Topics: Dampers, Damping, Design, Dry friction, Turbine blades, Vibration
Proceedings Papers

Modeling Complex Contact Conditions and Their Effect on Blade Dynamics

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Chiara Gastaldi, Johann Gross, Maren Scheel, Teresa M. Berruti, Malte Krack
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14630
https://doi.org/10.1115/GT2020-14630
View Paper titled, Modeling Complex Contact Conditions and Their Effect on Blade Dynamics
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Topics: Blades, Dynamics (Mechanics), Modeling, Dampers, Disks, Friction, Pressure, Springs, Coulombs, Design
Proceedings Papers

On the Efficiency of a Conical Under-Platform Damper for Turbines

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E. Denimal, C. Wong, L. Salles, L. Pesaresi
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14642
https://doi.org/10.1115/GT2020-14642
View Paper titled, On the Efficiency of a Conical Under-Platform Damper for Turbines
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Topics: Dampers, Turbines, Blades, Damping, Geometry, Kinematics, Wedges, Aircraft engines, Dry friction, Dynamic analysis
Proceedings Papers

Research on Damping Vibration Reduction Design Method of Aeroengine Supporting Structure System

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Chao Li, Binglong Lei, Yanhong Ma, Jie Hong
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A043, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16316
https://doi.org/10.1115/GT2020-16316
View Paper titled, Research on Damping Vibration Reduction Design Method of Aeroengine Supporting Structure System
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Topics: Damping, Design methodology, Dry friction, Vibration, Dampers, Design, Friction, Engines, Modeling, Rotors
Proceedings Papers

Platform Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization

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Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A044, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16317
https://doi.org/10.1115/GT2020-16317
View Paper titled, Platform Centered Reduction: A Process Capturing the Essentials for Blade-Damper Coupled Optimization
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Topics: Blades, Dampers, Optimization, Airfoils, Damping, Design, Shapes, Computation, Dimensions, Dry friction
Proceedings Papers

Thermal Optimization of Air Foil Thrust Bearings Using Different Foil Materials

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Markus Rieken, Marcel Mahner, Bernhard Schweizer
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A031, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91207
https://doi.org/10.1115/GT2019-91207
View Paper titled, Thermal Optimization of Air Foil Thrust Bearings Using Different Foil Materials
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Topics: Optimization, Thrust bearings, Cooling, Flow (Dynamics), Rotors, Deformation, Disks, Bearings, Dry friction, Flux (Metallurgy)
Proceedings Papers

Design Tools to the Best Coupling of Dry-Friction Solid Underplatform Dampers to Turbine Blades

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Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A014, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91040
https://doi.org/10.1115/GT2019-91040
View Paper titled, Design Tools to the Best Coupling of Dry-Friction Solid Underplatform Dampers to Turbine Blades
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Topics: Dampers, Design, Dry friction, Turbine blades, Blades, Centrifugal force, Damping, Dynamic analysis, Excitation, Filters
Proceedings Papers

Experimental Investigation on Real Under-Platform Dampers: The Impact of Design and Manufacturing

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Chiara Gastaldi, Teresa M. Berruti, Muzio M. Gola, Andrea Bessone
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A004, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90416
https://doi.org/10.1115/GT2019-90416
View Paper titled, Experimental Investigation on Real Under-Platform Dampers: The Impact of Design and Manufacturing
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Topics: Dampers, Design, Manufacturing, Friction, Shapes, Blades, Damping, Disks, Dry friction, Energy generation
Proceedings Papers

Numerical and Experimental Estimation of the Turbine Blade Damper Efficiency

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Boris Shorr, Nikolay Serebriakov, Galina Mel'nikova, Dmitri Shadrin, Boris Vasilyev, Alexander Stadnikov
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A040, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76974
https://doi.org/10.1115/GT2018-76974
View Paper titled, Numerical and Experimental Estimation of the Turbine Blade Damper Efficiency
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Topics: Dampers, Turbine blades, Blades, Stress, Design, Resonance, Stiffness, Damping, Pressing, Turbines