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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

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

Luis San Andrés, Andy Alcantar

Paper No: GT2022-81839

DOI: https://doi.org/10.1115/GT2022-81839

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Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Drag (Fluid dynamics), Temperature, Damping, Fluid films, Lubricants, Machinery

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

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

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

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

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System

Wonbae Jung, Luis San Andrés, Jungbae Kim

Paper No: GT2022-79386

DOI: https://doi.org/10.1115/GT2022-79386

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Topics: Bearings, Rotordynamics, Turbochargers

Proceedings Papers

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Dara W. Childs, Jing Yang, Luis San Andrés, Jose M. Torres Rueda, J. Alex Moreland

Paper No: GT2022-80073

DOI: https://doi.org/10.1115/GT2022-80073

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Topics: Leakage, Rotors, Stators, Damping, Geometry, Pressure, Pumps, Stability, Brakes, Clearances (Engineering)

Journal Articles

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

Jose Torres, Luis San Andrés, Jing Yang

J. Eng. Gas Turbines Power. January 2023, 145(1): 011006.

Paper No: GTP-22-1390

DOI: https://doi.org/10.1115/1.4055665

Published Online: October 19, 2022

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Topics: Clearances (Engineering), Dampers, Damping, Flow (Dynamics), Leakage, Pressure, Stiffness, Computational fluid dynamics, Excitation, Rotors

Journal Articles

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System

Wonbae Jung, Luis San Andrés, Jungbae Kim

J. Eng. Gas Turbines Power. November 2022, 144(11): 111002.

Paper No: GTP-22-1275

DOI: https://doi.org/10.1115/1.4055365

Published Online: September 20, 2022

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Topics: Bearings, Rotors, Clearances (Engineering)

Journal Articles

Computational Fluid Dynamics Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

Tingcheng Wu, Luis San Andrés, Xueliang Lu

J. Tribol. November 2022, 144(11): 111803.

Paper No: TRIB-21-1495

DOI: https://doi.org/10.1115/1.4054757

Published Online: June 23, 2022

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Topics: Computational fluid dynamics, Pressure, Excitation, Flow (Dynamics), Two-phase flow

Journal Articles

Making Better Swirl Brakes Using Computational Fluid Dynamics: Performance Enhancement From Geometry Variation

Jing Yang, Luis San Andrés

J. Eng. Gas Turbines Power. February 2022, 144(2): 021027.

Paper No: GTP-21-1293

DOI: https://doi.org/10.1115/1.4051962

Published Online: January 13, 2022

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Topics: Brakes, Computational fluid dynamics, Pressure, Rotors, Geometry, Flow (Dynamics), Fluids

Journal Articles

A Nonhomogeneous Bulk Flow Model for Gas in Liquid Flow Annular Seals: An Effort to Produce Engineering Results

Xueliang Lu, Luis San Andrés, Jing Yang

J. Tribol. June 2022, 144(6): 062302.

Paper No: TRIB-21-1239

DOI: https://doi.org/10.1115/1.4052678

Published Online: December 14, 2021

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Topics: Flow (Dynamics), High pressure (Physics), Pressure, Leakage, Stiffness, Clearances (Engineering), Damping

Journal Articles

A Model for Tilting Pad Thrust Bearings Operating With Reduced Flow Rate—Do Benefits Outweigh Risks?

Rasool Koosha, Luis San Andrés

J. Eng. Gas Turbines Power. February 2022, 144(2): 021026.

Paper No: GTP-21-1381

DOI: https://doi.org/10.1115/1.4052200

Published Online: December 9, 2021

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Topics: Bearings, Flow (Dynamics), Temperature, Stress, Thrust bearings

Journal Articles

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

Luis San Andrés, Hussain Kaizar, Hardik Jani, Manish Thorat

J. Eng. Gas Turbines Power. March 2022, 144(3): 031001.

Paper No: GTP-21-1411

DOI: https://doi.org/10.1115/1.4052430

Published Online: December 3, 2021

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Topics: Bearings, Stress, Temperature, Copper, Steel

Journal Articles

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

J. Eng. Gas Turbines Power. December 2021, 143(12): 121016.

Paper No: GTP-21-1296

DOI: https://doi.org/10.1115/1.4051916

Published Online: October 12, 2021

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Topics: Dampers, Flow (Dynamics), Leakage, Pressure, Two-phase flow, Computational fluid dynamics, Blades, Cavities, Rotors, Clearances (Engineering)

Journal Articles

Measurements of Static and Dynamic Load Performance of a 102 MM Carbon-Graphite Porous Surface Tilting-Pad Gas Journal Bearing

Luis San Andrés, Jing Yang, Ryan McGowan

J. Eng. Gas Turbines Power. November 2021, 143(11): 111017.

Paper No: GTP-21-1298

DOI: https://doi.org/10.1115/1.4051965

Published Online: October 4, 2021

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Topics: Bearings, Stiffness, Stress, Rotors, Pressure, Carbon fibers

Journal Articles

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

J. Eng. Gas Turbines Power. November 2021, 143(11): 111011.

Paper No: GTP-21-1380

DOI: https://doi.org/10.1115/1.4051964

Published Online: September 30, 2021

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Topics: Dampers, Damping, Lubricants, Pressure, Seals, Stiffness, Valves, Stress

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Journal citation

NARROW

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

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

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

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

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

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

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

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

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

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

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System

Computational Fluid Dynamics Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

Making Better Swirl Brakes Using Computational Fluid Dynamics: Performance Enhancement From Geometry Variation

A Nonhomogeneous Bulk Flow Model for Gas in Liquid Flow Annular Seals: An Effort to Produce Engineering Results

A Model for Tilting Pad Thrust Bearings Operating With Reduced Flow Rate—Do Benefits Outweigh Risks?

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

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

Measurements of Static and Dynamic Load Performance of a 102 MM Carbon-Graphite Porous Surface Tilting-Pad Gas Journal Bearing

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

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