1-20 of 77
Luis San Andre´s
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

A Novel Bulk-Flow Model for Improved Predictions of Force Coefficients in Grooved Oil Seals Operating Eccentrically

Luis San Andre´s, Adolfo Delgado
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 499-509, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45274
https://doi.org/10.1115/GT2011-45274
View Paper titled, A Novel Bulk-Flow Model for Improved Predictions of Force Coefficients in Grooved Oil Seals Operating Eccentrically
Open the PDF for A Novel Bulk-Flow Model for Improved Predictions of Force Coefficients in Grooved Oil Seals Operating Eccentrically in another window
Topics: Flow (Dynamics), Pressure, Bearings, Clearances (Engineering), Compressors, Film flow, Finite element methods, Fluids, Hydrodynamic stability, Inertia (Mechanics)
Proceedings Papers

Metal Mesh Foil Bearing: Effect of Motion Amplitude, Rotor Speed, Static Load, and Excitation Frequency on Force Coefficients

Luis San Andre´s, Thomas Abraham Chirathadam
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 465-476, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45257
https://doi.org/10.1115/GT2011-45257
View Paper titled, Metal Mesh Foil Bearing: Effect of Motion Amplitude, Rotor Speed, Static Load, and Excitation Frequency on Force Coefficients
Open the PDF for Metal Mesh Foil Bearing: Effect of Motion Amplitude, Rotor Speed, Static Load, and Excitation Frequency on Force Coefficients in another window
Topics: Excitation, Foil bearings, Metals, Rotors, Stress, Bearings, Damping, Rotation, Energy dissipation, Spin (Aerodynamics)
Proceedings Papers

On the Nonlinear Dynamics of Rotor-Foil Bearing Systems: Effects of Shaft Acceleration, Mass Imbalance and Bearing Mechanical Energy Dissipation

Luis San Andre´s, Keun Ryu
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 343-353, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45763
https://doi.org/10.1115/GT2011-45763
View Paper titled, On the Nonlinear Dynamics of Rotor-Foil Bearing Systems: Effects of Shaft Acceleration, Mass Imbalance and Bearing Mechanical Energy Dissipation
Open the PDF for On the Nonlinear Dynamics of Rotor-Foil Bearing Systems: Effects of Shaft Acceleration, Mass Imbalance and Bearing Mechanical Energy Dissipation in another window
Topics: Bearings, Energy dissipation, Nonlinear dynamics, Rotors, Whirls, Construction, Cycles, Damping, Delays, Design
Proceedings Papers

Rotordynamic Force Coefficients of Bubbly Mixture Annular Pressure Seals

Luis San Andre´s
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 477-486, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45264
https://doi.org/10.1115/GT2011-45264
View Paper titled, Rotordynamic Force Coefficients of Bubbly Mixture Annular Pressure Seals
Open the PDF for Rotordynamic Force Coefficients of Bubbly Mixture Annular Pressure Seals in another window
Topics: Compression, Dampers, Damping, Design, Excitation, Flow (Dynamics), Fluids, Hardening, Leakage, Liquid mixtures
Proceedings Papers

Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System: Part 1—Measurements

Luis San Andre´s, Tae Ho Kim, Keun Ryu
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 253-262, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22981
https://doi.org/10.1115/GT2010-22981
View Paper titled, Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System: Part 1—Measurements
Open the PDF for Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System: Part 1—Measurements in another window
Topics: Foil bearings, Rotors, Thermal management, Temperature, Bearings, Cooling, Flow (Dynamics), Friction, Geometry, Heat
Proceedings Papers

Dynamic Response of a Rotor-Hybrid Gas Bearing System Due to Base Induced Periodic Motions

Luis San Andre´s, Keun Ryu, Yaying Niu
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 81-90, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22277
https://doi.org/10.1115/GT2010-22277
View Paper titled, Dynamic Response of a Rotor-Hybrid Gas Bearing System Due to Base Induced Periodic Motions
Open the PDF for Dynamic Response of a Rotor-Hybrid Gas Bearing System Due to Base Induced Periodic Motions in another window
Topics: Dynamic response, Gas bearings, Rotors, Bearings, Excitation, Bending (Stress), Combustion, Damage, Engines, Failure
Proceedings Papers

Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System: Part 2—Predictions Versus Test Data

Luis San Andre´s, Tae Ho Kim, Keun Ryu
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 263-271, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22983
https://doi.org/10.1115/GT2010-22983
View Paper titled, Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System: Part 2—Predictions Versus Test Data
Open the PDF for Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System: Part 2—Predictions Versus Test Data in another window
Topics: Foil bearings, Rotors, Thermal management, Temperature, Bearings, Cooling, Flow (Dynamics), Damping, Dynamic response, Film thickness
Proceedings Papers

A New Analysis Tool Assessment for Rotordynamic Modeling of Gas Foil Bearings

Samuel A. Howard, Luis San Andre´s
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 135-145, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22508
https://doi.org/10.1115/GT2010-22508
View Paper titled, A New Analysis Tool Assessment for Rotordynamic Modeling of Gas Foil Bearings
Open the PDF for A New Analysis Tool Assessment for Rotordynamic Modeling of Gas Foil Bearings in another window
Topics: Foil bearings, Modeling, Rotors, Turbomachinery, Bearings, Deformation, Dynamics (Mechanics), Film thickness, Geometry, High temperature
Proceedings Papers

Identification of Rotordynamic Force Coefficients of a Metal Mesh Foil Bearing Using Impact Load Excitations

Luis San Andre´s, Thomas Abraham Chirathadam
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 123-133, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22440
https://doi.org/10.1115/GT2010-22440
View Paper titled, Identification of Rotordynamic Force Coefficients of a Metal Mesh Foil Bearing Using Impact Load Excitations
Open the PDF for Identification of Rotordynamic Force Coefficients of a Metal Mesh Foil Bearing Using Impact Load Excitations in another window
Topics: Excitation, Foil bearings, Metals, Stress, Bearings, Stiffness, Damping, Rotation, Rotors, Compressors
Proceedings Papers

Measurement of Structural Stiffness and Damping Coefficients in a Metal Mesh Foil Bearing

Luis San Andre´s, Thomas Abraham Chirathadam, Tae-Ho Kim
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 763-771, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59315
https://doi.org/10.1115/GT2009-59315
View Paper titled, Measurement of Structural Stiffness and Damping Coefficients in a Metal Mesh Foil Bearing
Open the PDF for Measurement of Structural Stiffness and Damping Coefficients in a Metal Mesh Foil Bearing in another window
Topics: Damping, Foil bearings, Metals, Stiffness, Bearings, Deflection, Stress, Construction, Copper, Creep
Proceedings Papers

Identification of Squeeze Film Damper Force Coefficients From Multiple-Frequency, Non-Circular Journal Motions

Adolfo Delgado, Luis San Andre´s
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 669-678, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59175
https://doi.org/10.1115/GT2009-59175
View Paper titled, Identification of Squeeze Film Damper Force Coefficients From Multiple-Frequency, Non-Circular Journal Motions
Open the PDF for Identification of Squeeze Film Damper Force Coefficients From Multiple-Frequency, Non-Circular Journal Motions in another window
Topics: Dampers, Rotors, Bearings, Whirls, Clearances (Engineering), Damping, Engines, Fluid dynamics, Inertia (Mechanics), Instrumentation
Proceedings Papers

Dynamic Forced Response of a Rotor-Hybrid Gas Bearing System Due to Intermittent Shocks

Luis San Andre´s, Keun Ryu
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 689-698, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59199
https://doi.org/10.1115/GT2009-59199
View Paper titled, Dynamic Forced Response of a Rotor-Hybrid Gas Bearing System Due to Intermittent Shocks
Open the PDF for Dynamic Forced Response of a Rotor-Hybrid Gas Bearing System Due to Intermittent Shocks in another window
Topics: Gas bearings, Rotors, Shock (Mechanics), Bearings, Damping, Transients (Dynamics), Reliability, Stress, Aircraft, Bending (Stress)
Proceedings Papers

Rotordynamic Force Coefficients of a Hybrid Brush Seal: Measurements and Predictions

Luis San Andre´s, Adolfo Delgado, Jose´ Baker
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 613-620, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59072
https://doi.org/10.1115/GT2009-59072
View Paper titled, Rotordynamic Force Coefficients of a Hybrid Brush Seal: Measurements and Predictions
Open the PDF for Rotordynamic Force Coefficients of a Hybrid Brush Seal: Measurements and Predictions in another window
Topics: Air-breathing engines, Damping, Dry friction, Excitation, Leakage, Manufacturing, Pressure, Reliability, Rotation, Rotors
Proceedings Papers

Turbocharger Nonlinear Response With Engine-Induced Excitations: Predictions and Test Data

Luis San Andre´s, Ash Maruyama, Kostandin Gjika, Sherry Xia
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 637-647, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59108
https://doi.org/10.1115/GT2009-59108
View Paper titled, Turbocharger Nonlinear Response With Engine-Induced Excitations: Predictions and Test Data
Open the PDF for Turbocharger Nonlinear Response With Engine-Induced Excitations: Predictions and Test Data in another window
Topics: Engines, Excitation, Turbochargers, Bearings, Rotors, Stress, Bearing design, Displacement, Fuel efficiency, Lubricants
Proceedings Papers

Thermohydrodynamic Analysis of Bump Type Gas Foil Bearings: A Model Anchored to Test Data

Luis San Andre´s, Tae Ho Kim
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 951-961, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59919
https://doi.org/10.1115/GT2009-59919
View Paper titled, Thermohydrodynamic Analysis of Bump Type Gas Foil Bearings: A Model Anchored to Test Data
Open the PDF for Thermohydrodynamic Analysis of Bump Type Gas Foil Bearings: A Model Anchored to Test Data in another window
Topics: Foil bearings, Stress, Temperature, Thermal energy transport, Thermohydrodynamics
Proceedings Papers

Experimental Structural Stiffness and Damping in a 2 nd Generation Foil Bearing for Increasing Shaft Temperatures

Luis San Andre´s, Keun Ryu
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 209-211, October 19–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2009-15188
https://doi.org/10.1115/IJTC2009-15188
View Paper titled, Experimental Structural Stiffness and Damping in a 2 nd Generation Foil Bearing for Increasing Shaft Temperatures
Open the PDF for Experimental Structural Stiffness and Damping in a 2 nd Generation Foil Bearing for Increasing Shaft Temperatures in another window
Topics: Damping, Foil bearings, Stiffness, Temperature, Bearings, Excitation, Clearances (Engineering), Deflection, Energy dissipation, Gas turbines
Proceedings Papers

Gas Bearing Technology for Oil-Free Microturbomachinery: Research Experience for Undergraduate (REU) Program at Texas A&M University

Luis San Andre´s, Tae Ho Kim, Keun Ryu, Thomas A. Chirathadam, Kathleen Hagen, Alejandro Martinez, Brian Rice, Nick Niedbalski, Wayne Hung, Michael Johnson
Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 845-857, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59920
https://doi.org/10.1115/GT2009-59920
View Paper titled, Gas Bearing Technology for Oil-Free Microturbomachinery: Research Experience for Undergraduate (REU) Program at Texas A&M University
Open the PDF for Gas Bearing Technology for Oil-Free Microturbomachinery: Research Experience for Undergraduate (REU) Program at Texas A&M University in another window
Topics: Gas bearings, Undergraduate students, Students, Foil bearings, Manufacturing, Rotors, Bearings, Rotordynamics, Education, Graduate students
Proceedings Papers

Hybrid Gas Bearings With Controlled Supply Pressure to Eliminate Rotor Vibrations While Crossing System Critical Speeds

Luis San Andre´s, Keun Ryu
Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 641-649, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50393
https://doi.org/10.1115/GT2008-50393
View Paper titled, Hybrid Gas Bearings With Controlled Supply Pressure to Eliminate Rotor Vibrations While Crossing System Critical Speeds
Open the PDF for Hybrid Gas Bearings With Controlled Supply Pressure to Eliminate Rotor Vibrations While Crossing System Critical Speeds in another window
Topics: Gas bearings, Pressure, Rotor vibration, Bearings, Rotors, Bending (Stress), Damping, Hydrostatics, Pressure control, Pressure controllers
Proceedings Papers

Characterization of Foil Bearing Structure for Increasing Shaft Temperatures: Part I—Static Load Performance

Tae Ho Kim, Anthony W. Breedlove, Luis San Andre´s
Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 671-678, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50567
https://doi.org/10.1115/GT2008-50567
View Paper titled, Characterization of Foil Bearing Structure for Increasing Shaft Temperatures: Part I—Static Load Performance
Open the PDF for Characterization of Foil Bearing Structure for Increasing Shaft Temperatures: Part I—Static Load Performance in another window
Topics: Foil bearings, High temperature, Stiffness, Stress, Temperature
Proceedings Papers

Characterization of Foil Bearing Structure for Increasing Shaft Temperatures: Part II—Dynamic Force Performance

Tae Ho Kim, Luis San Andre´s, Anthony W. Breedlove
Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 689-695, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50570
https://doi.org/10.1115/GT2008-50570
View Paper titled, Characterization of Foil Bearing Structure for Increasing Shaft Temperatures: Part II—Dynamic Force Performance
Open the PDF for Characterization of Foil Bearing Structure for Increasing Shaft Temperatures: Part II—Dynamic Force Performance in another window
Topics: Damping, Dry friction, Foil bearings, High temperature, Stiffness, Temperature