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Proceedings Papers

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

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
Paper No: GT2022-82413
DOI: https://doi.org/10.1115/GT2022-82413
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Topics: Dampers, Dry friction, Friction, Steady state, Structures
Proceedings Papers

An Experimental Investigation on the Dynamic Response Variability of a Turbine Blade With Mid-Span Dampers

Erhan Ferhatoglu, Daniele Botto, Stefano Zucca
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A004, June 13–17, 2022
Paper No: GT2022-79980
DOI: https://doi.org/10.1115/GT2022-79980
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Topics: Dampers, Dynamic response, Friction, Turbine blades, Blades, Cycles, Design, Kinematics, Performance, Uncertainty quantification
Proceedings Papers

Dynamic Characteristics of Rotor-SFD-Support System Excited by Base Harmonic Excitations Using MHB-AFT Method

Bo Zhang, Xi Chen, Fengguang Xiang, Xiaohua Gan, Guangming Ren
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A011, June 13–17, 2022
Paper No: GT2022-82536
DOI: https://doi.org/10.1115/GT2022-82536
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Topics: Dampers, Excitation, Rotors, Steady state
Proceedings Papers

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

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
Paper No: GT2022-82779
DOI: https://doi.org/10.1115/GT2022-82779
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Topics: Dry friction, Dynamic response, Friction, Stability, Bifurcation, Excitation, Collisions (Physics), Cycles, Dampers, Design
Proceedings Papers

Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed

Chris Keener, Kiran D’Souza
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A023, June 13–17, 2022
Paper No: GT2022-82717
DOI: https://doi.org/10.1115/GT2022-82717
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Topics: Damping, Design, Rotors, Airfoils, Disks, Gas turbines, Aviation, Dampers, Dynamics (Mechanics), Finite element model
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
Paper No: GT2022-82830
DOI: https://doi.org/10.1115/GT2022-82830
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Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design
Proceedings Papers

A Model and Experimental Validation for a Piston Rings - Squeeze Film Damper: A Step Toward Quantifying Air Ingestion

Bonjin Koo, Luis San Andrés
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, V08AT22A007, June 13–17, 2022
Paper No: GT2022-81990
DOI: https://doi.org/10.1115/GT2022-81990
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Topics: Dampers, Piston rings
Proceedings Papers

A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation

José Torres, Luis San Andrés, Jing Yang
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, V08AT22A014, June 13–17, 2022
Paper No: GT2022-82280
DOI: https://doi.org/10.1115/GT2022-82280
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Topics: Dampers, Leakage, Clearances (Engineering), Compressors, Damping, Pressure, Two-phase flow, Blades, Computational fluid dynamics, Density
Proceedings Papers

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Zhigang Li, Jun Li
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, V08AT22A016, June 13–17, 2022
Paper No: GT2022-82556
DOI: https://doi.org/10.1115/GT2022-82556
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Topics: Impellers, Oxygen, Leakage, Rotors, Computational fluid dynamics, Dampers, Fluids, Stability, Stators, Stress
Proceedings Papers

Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results

Marie Kasprzyk, John Sentmanat, Adolfo Delgado
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A008, June 13–17, 2022
Paper No: GT2022-82200
DOI: https://doi.org/10.1115/GT2022-82200
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Topics: Fluids, Rotors, Stability, Test facilities, Vibration, Damping, Bearings, Dampers, Excitation, Gas turbines
Proceedings Papers

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele
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, V08AT22A020, June 13–17, 2022
Paper No: GT2022-83164
DOI: https://doi.org/10.1115/GT2022-83164
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Topics: Dampers, Leakage, Stiffness, Compressors, Damping, Blades, Pressure, Rotors, Computational fluid dynamics, Databases
Proceedings Papers

Rotordynamic Design and Experimental Validation of a sCO2 Centrifugal Compressor Equipped With a Pocket Damper Seal

Giuseppe Vannini, Matteo Dozzini, Filippo Cangioli
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A001, June 13–17, 2022
Paper No: GT2022-79563
DOI: https://doi.org/10.1115/GT2022-79563
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Topics: Compressors, Dampers, Design, Vibration, Density, Carbon dioxide, Engineering prototypes, Fluids, Pistons, Stability
Proceedings Papers

Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints

Adam Koscso, Andreas Hartung, E. P. Petrov
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A014, June 13–17, 2022
Paper No: GT2022-82040
DOI: https://doi.org/10.1115/GT2022-82040
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Topics: Anisotropy, Disks, Friction, Numerical analysis, Blades, Aircraft engines, Computational methods, Crystals, Dampers, Excitation
Proceedings Papers

Gas Turbine Rotor Damper Lift-Off Study

S. Manoharan, S. Abhimanyu, S. Babu, Leonardo Tognarelli, Guido Peano
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A028, June 13–17, 2022
Paper No: GT2022-82960
DOI: https://doi.org/10.1115/GT2022-82960
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Topics: Dampers, Damping, Gas turbines, Rotors
Proceedings Papers

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

Fellcitas Schäfer, Luca Magri, Wolfgang Polifke
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A018, June 7–11, 2021
Paper No: GT2021-59866
DOI: https://doi.org/10.1115/GT2021-59866
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Topics: Network models, Optimization, Combustion chambers, Computation, Dampers, Ducts, S-matrix theory
Proceedings Papers

Frequency Dependancy of Dynamic Force Coefficients for Hermetic Squeeze Film Dampers Utilizing Fluid-Bounding Flexible Structures

Bugra Ertas, Keith Gary
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A020, June 7–11, 2021
Paper No: GT2021-60007
DOI: https://doi.org/10.1115/GT2021-60007
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Topics: Dampers, Flexible structures, Fluids, Design, Fluid structure interaction, Computational fluid dynamics, Finite element analysis, Architecture, Bearing design, Computer software
Proceedings Papers

Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A013, June 7–11, 2021
Paper No: GT2021-58996
DOI: https://doi.org/10.1115/GT2021-58996
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Topics: Cavities, Leakage, Design, Abrasion, Manufacturing, Rotors, Transients (Dynamics), Bearings, Centrifugal pumps, Clearances (Engineering)
Proceedings Papers

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A012, June 7–11, 2021
Paper No: GT2021-58979
DOI: https://doi.org/10.1115/GT2021-58979
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Topics: Compressors, Dampers, Springs, Bearings, Damping, Evaluation methods, Fluid films, Rotors, Stability, Cavitation
Proceedings Papers

A Novel Hybrid Seal: Design and Experimental Validation on a High Pressure Rotordynamic Test Rig

Giuseppe Vannini, Benjamin Defoy, Manjush Ganiger, Carlo Mazzali
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A016, June 7–11, 2021
Paper No: GT2021-59371
DOI: https://doi.org/10.1115/GT2021-59371
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Topics: Design, High pressure (Physics), Honeycomb structures, Pistons, Pressure, Compressors, Computational fluid dynamics, Control equipment, Dampers, Engines
Proceedings Papers

On the Experimental Dynamic Force Performance of a Squeeze Film Damper Supplied Through a Check Valve and Sealed With O-Rings

Luis San Andrés, Bryan Rodríguez
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A004, June 7–11, 2021
Paper No: GT2021-58627
DOI: https://doi.org/10.1115/GT2021-58627
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Topics: Dampers, Seals, Valves