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Luis San Andres
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Proceedings Papers

Dynamic Characterization of a Low Drag Power Loss Tilting Pad Journal Bearing

Roarke Bradley, Adolfo Delgado, Luis San Andrés
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, V10AT22A025, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129170
https://doi.org/10.1115/GT2024-129170
View Paper titled, Dynamic Characterization of a Low Drag Power Loss Tilting Pad Journal Bearing
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Topics: Drag (Fluid dynamics), Journal bearings, Turbomachinery
Journal Articles

Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded Versus Evacuated Conditions

Luis San Andrés, Zihan Ouyang, Yudi Qin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041004.
Paper No: GTP-23-1428
https://doi.org/10.1115/1.4063686
Published Online: December 6, 2023
View Article titled, Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded Versus Evacuated Conditions
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Journal Articles

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas

Jose Torres, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031016.
Paper No: GTP-23-1407
https://doi.org/10.1115/1.4063551
Published Online: November 28, 2023
View Article titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
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Topics: Dampers, Damping, Leakage, Pressure, Wireless power transfer, Clearances (Engineering), Stiffness, Flow (Dynamics), Uncertainty, Cavities
Journal Articles

Measurement of Temperature and Load Versus Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation

Luis San Andrés, Azael Duran-Castillo, Juan Jauregui, Oscar de Santiago, Daniel Lubell
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031004.
Paper No: GTP-23-1382
https://doi.org/10.1115/1.4063545
Published Online: November 3, 2023
View Article titled, Measurement of Temperature and Load Versus Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation
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Topics: Bearings, Foil bearings, Stress, Thrust
Journal Articles

Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion

Bryan Rodríguez, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021004.
Paper No: GTP-23-1377
https://doi.org/10.1115/1.4063320
Published Online: October 25, 2023
View Article titled, Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion
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Topics: Dampers, Damping, Pressure, Seals, Stiffness, Whirls, Lubricants
Journal Articles

Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture

Jing Yang, Dung L. Tran, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111012.
Paper No: GTP-23-1307
https://doi.org/10.1115/1.4063309
Published Online: September 29, 2023
View Article titled, Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture
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Topics: Computational fluid dynamics, Flow (Dynamics), Stiffness, Damping, Leakage, Clearances (Engineering), Pressure
Proceedings Papers

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas

Jose Torres, Luis San Andrés
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100555
https://doi.org/10.1115/GT2023-100555
View Paper titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
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Topics: Dampers, Leakage, Clearances (Engineering), Damping, Uncertainty, Cavities, Compressors, Design, Engineers, Errors
Proceedings Papers

Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion

Bryan Rodríguez, Luis San Andrés
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100495
https://doi.org/10.1115/GT2023-100495
View Paper titled, Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion
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Topics: Dampers, Damping, Pressure, Seals
Proceedings Papers

Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture

Jing Yang, Dung L. Tran, Luis San Andrés
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102302
https://doi.org/10.1115/GT2023-102302
View Paper titled, Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture
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Topics: Computational fluid dynamics
Proceedings Papers

Measurement of Temperature and Load vs. Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation

Luis San Andrés, Azael Duran-Castillo, Oscar de Santiago, Juan Jauregui, Daniel Lubell
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103154
https://doi.org/10.1115/GT2023-103154
View Paper titled, Measurement of Temperature and Load vs. Bearing Displacement in a Thrust Foil Bearing: Differences Between Light Load and High Load Operation
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Topics: Bearings, Displacement, Foil bearings, Stress, Temperature measurement, Thrust
Proceedings Papers

Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded vs. Evacuated Conditions

Luis San Andrés, Zihan Ouyang, Yudi Qin
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103242
https://doi.org/10.1115/GT2023-103242
View Paper titled, Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded vs. Evacuated Conditions
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Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Drag (Fluid dynamics), Damping, Temperature, Babbitt metal, Energy consumption, Failure
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061012.
Paper No: GTP-22-1468
https://doi.org/10.1115/1.4056535
Published Online: January 17, 2023
View Article titled, 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
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Topics: Bearings, Flow (Dynamics), Stress, Temperature
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.
Paper No: GTP-22-1478
https://doi.org/10.1115/1.4056347
Published Online: January 10, 2023
View Article titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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Topics: Computational fluid dynamics, Dampers, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stiffness, Stability
Journal Articles

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

Bonjin Koo, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041012.
Paper No: GTP-22-1403
https://doi.org/10.1115/1.4055712
Published Online: December 13, 2022
View Article titled, A Model and Experimental Validation for a Piston Rings—Squeeze Film Damper: A Step Toward Quantifying Air Ingestion
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Topics: Dampers, Damping, Pressure, Piston rings, Pistons, Lubricants, Whirls
Journal Articles

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, James Alex Moreland
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031005.
Paper No: GTP-22-1435
https://doi.org/10.1115/1.4055638
Published Online: December 5, 2022
View Article titled, Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator
Open the PDF for Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator in another window
Topics: Leakage, Rotors, Stators, Stiffness, Damping, Pumps
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81990
https://doi.org/10.1115/GT2022-81990
View Paper titled, A Model and Experimental Validation for a Piston Rings - Squeeze Film Damper: A Step Toward Quantifying Air Ingestion
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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
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, V08AT22A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81839
https://doi.org/10.1115/GT2022-81839
View Paper titled, 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
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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
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82280
https://doi.org/10.1115/GT2022-82280
View Paper titled, A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation
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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
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83164
https://doi.org/10.1115/GT2022-83164
View Paper titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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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
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, V08AT22A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79386
https://doi.org/10.1115/GT2022-79386
View Paper titled, A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System
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Topics: Bearings, Rotordynamics, Turbochargers