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Proceedings Papers

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

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

Proceedings Papers

Discrete Element Method Simulations of Additively Manufactured Components With Integrated Particle Dampers

Daniel Kiracofe, Matthew Postell, Onome Scott-Emuakpor, Brian Runyon, Tommy George, Jr.

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A001, June 7–11, 2021

Paper No: GT2021-58462

DOI: https://doi.org/10.1115/GT2021-58462

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Topics: Additive manufacturing, Dampers, Discrete element methods, Particulate matter, Simulation, Damping, Geometry, Vibration, Cantilever beams, Collisions (Physics)

Proceedings Papers

Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades

Himanshu Patel, Alok Sinha

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A003, June 7–11, 2021

Paper No: GT2021-59863

DOI: https://doi.org/10.1115/GT2021-59863

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Topics: Friction, Kalman filters, Stress, Turbine blades, Dampers, Excitation, Vibration, Differential equations, Errors, Modeling

Proceedings Papers

An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?

Jing Yang, Luis San Andrés

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A011, June 7–11, 2021

Paper No: GT2021-58958

DOI: https://doi.org/10.1115/GT2021-58958

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Topics: Dampers, Leakage, Two-phase flow

Proceedings Papers

Dynamic Analysis of a Coupled Dual-Rotor With Squeeze Film Damper Considering Sudden Unbalance

Ying Cui, Yuxi Huang, Guogang Yang, Yongliang Wang, Han Zhang

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A002, June 7–11, 2021

Paper No: GT2021-58824

DOI: https://doi.org/10.1115/GT2021-58824

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Topics: Dampers, Damping, Dynamic analysis, Rotors

Proceedings Papers

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Florian Jäger, Ferhat Kaptan, Lars Panning-Von Scheidt, Jörg Wallaschek

Paper No: GT2021-59272

DOI: https://doi.org/10.1115/GT2021-59272

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Topics: Blades, Control algorithms, Control systems, Dampers, Damping, Degrees of freedom, Friction, Mode shapes, Stress, Turbine blades

Proceedings Papers

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

Y. G. Wu, Y. Fan, L. Li, Z. M. Zhao

Paper No: GT2021-58817

DOI: https://doi.org/10.1115/GT2021-58817

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Topics: Dampers, Dry friction, Waves, Damping, Friction, Piezoelectric materials, Circuits, Actuators, Cantilevers, Finite element model

Proceedings Papers

Rotordynamic Evaluation of a Large High-Speed Rotor Equipped With Flexure Pivot Journal Bearings and Integral Squeeze Film Damper

Giuseppe Vannini, Alice Innocenti, Filippo Cangioli, Kim Jongsoo

Paper No: GT2021-58800

DOI: https://doi.org/10.1115/GT2021-58800

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Topics: Bearings, Bending (Stress), Dampers, Journal bearings, Rotors

Proceedings Papers

Topological Optimization of Piezoelectric Transducers for Vibration Reduction of Bladed Disks

Y. Fan, H. Y. Ma, Y. G. Wu, L. Li, K. Y. Tian, Z. M. Zhao

Paper No: GT2021-59461

DOI: https://doi.org/10.1115/GT2021-59461

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Topics: Disks, Optimization, Piezoelectric transducers, Topology, Vibration, Piezoelectric materials, Damping, Stress, Blades, Dampers

Proceedings Papers

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Serena Gabriele, Paolo Di Sisto, Giuseppe Del Vescovo, Conti Simone

Paper No: GT2021-58919

DOI: https://doi.org/10.1115/GT2021-58919

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Topics: Dampers, Design, Ducts, Gas turbines, Thin shells, Flow (Dynamics), Finite element analysis, High cycle fatigue, Turbines, Bolted joints

Proceedings Papers

Impact of Mistuned Underplatform Dampers on the Nonlinear Vibration of Bladed Disks

Samuel Quaegebeur, Benjamin Chouvion, Fabrice Thouverez

Paper No: GT2021-59528

DOI: https://doi.org/10.1115/GT2021-59528

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Topics: Dampers, Disks, Nonlinear vibration

Proceedings Papers

New Modeling Combining Kinematic and Stiffness Nonlinearity in Under Platform Dampers

Ryuichi Umehara, Sotaro Takei, Tomohiro Akaki, Hiroki Kitada

Paper No: GT2021-58445

DOI: https://doi.org/10.1115/GT2021-58445

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Topics: Dampers, Friction, Kinematics, Modeling, Stiffness, Turbine blades

Proceedings Papers

Technological Choices for Vibratory Robustness of Turbine Bladed Disk

Mathieu Herran, Marc Dijoud, Christophe Colette

Paper No: GT2021-04281

DOI: https://doi.org/10.1115/GT2021-04281

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Topics: Disks, Robustness, Turbines, Engines, Rotors, Gas turbines, Stress, Blades, Dampers, Disperse systems

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

Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response

E. Denimal, F. El Haddad, C. Wong, L. Salles

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A006, September 21–25, 2020

Paper No: GT2020-14394

DOI: https://doi.org/10.1115/GT2020-14394

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Topics: Dampers, Frequency response, Optimization, Optimization algorithms, Topology, Vibration, Aircraft engines, Friction, Geometry, High cycle fatigue

Proceedings Papers

Squeeze Film Damper Bearing With Double-Ended Beam Springs: Part II — Experimental Validation

Wei Li, Christopher Braman, Brian Hantz, Manish Thorat, Brian Pettinato

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A026, September 21–25, 2020

Paper No: GT2020-15491

DOI: https://doi.org/10.1115/GT2020-15491

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Topics: Bearings, Dampers, Fatigue testing, Modal analysis, Rotors, Springs

2 3 4 5

NARROW

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

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

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

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

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

Discrete Element Method Simulations of Additively Manufactured Components With Integrated Particle Dampers

Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades

An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?

Dynamic Analysis of a Coupled Dual-Rotor With Squeeze Film Damper Considering Sudden Unbalance

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

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

Rotordynamic Evaluation of a Large High-Speed Rotor Equipped With Flexure Pivot Journal Bearings and Integral Squeeze Film Damper

Topological Optimization of Piezoelectric Transducers for Vibration Reduction of Bladed Disks

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Impact of Mistuned Underplatform Dampers on the Nonlinear Vibration of Bladed Disks

New Modeling Combining Kinematic and Stiffness Nonlinearity in Under Platform Dampers

Technological Choices for Vibratory Robustness of Turbine Bladed Disk

A Hybrid Adjoint Network Model for Thermoacoustic Optimization

Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response

Squeeze Film Damper Bearing With Double-Ended Beam Springs: Part II — Experimental Validation

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