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Proceedings Papers

Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions

Luis San Andrés, Hussain Kaizar, Hardik Jani, Manish Thorat
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A017, June 7–11, 2021
Paper No: GT2021-59401
DOI: https://doi.org/10.1115/GT2021-59401
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Topics: Copper, Journal bearings, Steel, Bearings, Stress, Temperature, Stiffness, Clearances (Engineering), Damping, Drag (Fluid dynamics)
Proceedings Papers

Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture

Luis San Andrés, Bonjin Koo
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A010, June 17–21, 2019
Paper No: GT2019-90330
DOI: https://doi.org/10.1115/GT2019-90330
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Topics: Dampers, Pressure, Lubricants, Damping, Cycles, Flow (Dynamics), Inertia (Mechanics), Piston rings, Stiffness, Whirls
Proceedings Papers

Leakage and Dynamic Force Coefficients of a Pocket Damper Seal Operating Under a Wet Gas Condition: Tests vs. Predictions

Jing Yang, Luis San Andrés, Xueliang Lu
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A011, June 17–21, 2019
Paper No: GT2019-90331
DOI: https://doi.org/10.1115/GT2019-90331
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Topics: Dampers, Leakage, Computational fluid dynamics, Flow (Dynamics), Damping, Rotors, Pressure, Stiffness, Excitation, Cavities
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
DOI: https://doi.org/10.1115/GT2015-43487
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Topics: Bearings, Fluid films, Rotors, Dampers, Equilibrium (Physics), Advanced materials, Clearances (Engineering), Computational physics, Computer simulation, Damping
Proceedings Papers

Experimental Performance of an Open Ends, Centrally Grooved, Squeeze Film Damper Operating With Large Amplitude Orbital Motions

Luis San Andrés, Sung-Hwa Jeung, Gary Bradley
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT32A005, June 16–20, 2014
Paper No: GT2014-25413
DOI: https://doi.org/10.1115/GT2014-25413
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Topics: Dampers, Bearings, Whirls, Damping, Inertia (Mechanics), Clearances (Engineering), Stress, Aircraft engines, Computational physics, Flow (Dynamics)