HR job title
- Retired Professor
- Contact Info
- 1 979 862 4744
- Websites
- ORCiD
- 0000-0002-9619-3817
San Andres, Luis Mast-Childs Chair Professor
Positions
- Professor, Mechanical Engineering, College of Engineering
- Faculty Affiliate, Energy Institute, Texas A&M Engineering Experiment Station (TEES)
Our research focuses on experimentally verified computational film flow models for the prediction of the static and dynamic force response of fluid film bearings; in particular hydrostatic bearings, tilting pad bearings, annular pressure seals, squeeze film dampers, floating ring bearings, gas damper bearings and seals, foil gas bearings and porous-carbon bearings.
Research Areas
- Overview
- Publications
- Teaching
- Background
- Contact
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Overview
Publications
selected publications
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academic article
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San Andrs, L., & Alcantar, A.
(2023).
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. 145(6),
-
Delgado, A., San Andres, L., Yang, J., & Thiele, J.
(2023).
Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types. Journal of Engineering for Gas Turbines and Power.
145(5),
-
Koo, B., & San Andrs, L.
(2023).
A Model and Experimental Validation for a Piston RingsSqueeze Film Damper: A Step Toward Quantifying Air Ingestion. 145(4),
-
Childs, D. W., Yang, J., San Andres, L., Rueda, J., & Moreland, J. A.
(2023).
Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator. 145(3),
-
San Andres, L.
(2023).
A Review of Turbine and Compressor Aerodynamic Forces in Turbomachinery. 11(1), 26-26.
-
Torres, J., Andres, L. S., & Yang, J.
(2023).
A Stepped Shaft Labyrinth Seal Verses A Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation. 145(1),
-
Jung, W., San Andres, L., & Kim, J.
(2022).
A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System. 144(11),
-
Lu, X., San Andres, L., & Yang, J.
(2022).
A Nonhomogeneous Bulk Flow Model for Gas in Liquid Flow Annular Seals: An Effort to Produce Engineering Results. 144(6),
-
Wu, T., San Andres, L., & Lu, X.
(2022).
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. Journal of Tribology.
144(11),
-
San Andres, L., Kaizar, H., Jani, H., & Thorat, M.
(2022).
Effect of Pad Material, Copper Versus Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions. Journal of Engineering for Gas Turbines and Power.
144(3),
-
Koosha, R., & Andrs, L. S.
(2022).
A Model for Tilting Pad Thrust Bearings Operating With Reduced Flow RateDo Benefits Outweigh Risks?. 144(2),
-
Yang, J., & San Andres, L.
(2022).
Making Better Swirl Brakes Using Computational Fluid Dynamics: Performance Enhancement From Geometry Variation. 144(2),
-
San Andres, L., Yang, J., & Devitt, A.
(2021).
On Tilting Pad Carbon-Graphite Porous Journal Bearings: Measurements of Imbalance Response and Comparison to Predictions of Bearing Performance and System Dynamic Response. 64(6), 981-995.
-
San Andres, L., Yang, J., & McGowan, R.
(2021).
Measurements of Static and Dynamic Load Performance of a 102 MM Carbon-Graphite Porous Surface Tilting-Pad Gas Journal Bearing. 143(11),
-
Yang, J., & San Andres, L.
(2021).
An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?. Journal of Engineering for Gas Turbines and Power.
143(12),
-
San Andres, L., Toner, J., & Alcantar, A.
(2021).
Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing With Flooded Ends. Journal of Engineering for Gas Turbines and Power.
143(11),
-
Andres, L. S., & Rodriguez, B.
(2021).
On the Experimental Dynamic Force Performance of a Squeeze Film Damper Supplied Through a Check Valve and Sealed With O-Rings. Journal of Engineering for Gas Turbines and Power.
143(11),
-
Andrés, L. S., Yang, J., & Devitt, A.
(2021).
Porous Gas Journal Bearings: An Exact Solution Revisited and Force Coefficients for Stable Rotordynamic Performance. Applied Sciences (Switzerland).
11(17), 7949-7949.
-
San Andres, L., Yang, J., & Kawashita, R.
(2021).
On the Effect of Clearance on the Leakage and Cavity Pressures in an Interlocking Labyrinth Seal Operating With and Without Swirl Brakes: Experiments and Predictions. 143(3),
-
Yang, J., San Andres, L., & Lu, X.
(2021).
On the Leakage and Dynamic Force Coefficients of a Novel Stepped Shaft Pocket Damper Seal: Experimental and Numerical Verification. 143(3),
-
San Andres, L., Jung, W., & Hong, S.
(2021).
A Thermo-Hydrodynamic Model for Thermal Energy Flow Management in A (Semi) Floating Ring Bearing System for Automotive Turbochargers. Journal of Engineering for Gas Turbines and Power.
143(1),
-
Lu, X., San Andres, L., Koo, B., & Tran, S.
(2021).
On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions. Journal of Engineering for Gas Turbines and Power.
143(1),
-
Wu, T., & San Andres, L.
(2020).
Gas Labyrinth Seals: Improved Prediction of Leakage in Gas Labyrinth Seals Using an Updated Kinetic Energy Carry-Over Coefficient. Journal of Engineering for Gas Turbines and Power.
142(12),
-
San Andres, L., Jani, H., Kaizar, H., & Thorat, M.
(2020).
On the Effect of Supplied Flow Rate to the Performance of a Tilting-Pad Journal Bearing-Static Load and Dynamic Force Measurements. Journal of Engineering for Gas Turbines and Power.
142(12),
-
San Andres, L., & Rodriguez, B.
(2020).
Experiments With a Rotor-Hybrid Gas Bearing System Undergoing Maneuver Loads From Its Base Support. Journal of Engineering for Gas Turbines and Power.
142(11),
-
Koosha, R., & San Andres, L.
(2020).
A Computational Model for the Analysis of the Static Forced Performance of Self-Equalizing Tilting Pad Thrust Bearings. Journal of Engineering for Gas Turbines and Power.
142(10),
-
Luaq, X., Andres, L. S., & Wu, T.
(2020).
Leakage and Force Coefficients of a Grooved Wet (Bubbly Liquid) Seal for Multiphase Pumps and Comparisons With Prior Test Results for a Three Wave Seal. Journal of Engineering for Gas Turbines and Power.
142(1),
-
Andres, L. S., & Koo, B.
(2020).
Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture. 142(1),
-
Koosha, R., & San Andres, L.
(2019).
Effect of Pad and Liner Material Properties on the Static Load Performance of a Tilting Pad Thrust Bearing. Journal of Engineering for Gas Turbines and Power.
141(12),
-
Yang, J., San Andrés, L., & Lu, X.
(2019).
Leakage and Dynamic Force Coefficients of a Pocket Damper Seal Operating Under a Wet Gas Condition: Tests Versus Predictions. Journal of Engineering for Gas Turbines and Power.
141(11),
-
Andres, L. S., Wu, T., Barajas-Rivera, J., Zhang, J., & Kawashita, R.
(2019).
Leakage and Cavity Pressures in an Interlocking Labyrinth Gas Seal: Measurements Versus Predictions. Journal of Engineering for Gas Turbines and Power.
141(10),
-
Wu, T., & Andres, L. S.
(2019).
Pump Grooved Seals: A Computational Fluid Dynamics Approach to Improve Bulk-Flow Model Predictions. Journal of Engineering for Gas Turbines and Power.
141(10),
-
Jeung, S., San Andres, L., Den, S., & Koo, B.
(2019).
Effect of Oil Supply Pressure on the Force Coefficients of a Squeeze Film Damper Sealed With Piston Rings. Journal of Tribology.
141(6), 1-15.
-
Wu, T., & San Andres, L.
(2019).
Leakage and Dynamic Force Coefficients for Two Labyrinth Gas Seals: Teeth-on-Stator and Interlocking Teeth Configurations. A Computational Fluid Dynamics Approach to Their Performance. 141(4),
-
Wu, T., & San Andres, L.
(2019).
Gas labyrinth seals: On the effect of clearance and operating conditions on wall friction factors - A CFD investigation. Tribology International.
131, 363-376.
-
Lu, X., & San Andres, L.
(2019).
Leakage and Rotordynamic Force Coefficients of A Three-Wave (Air in Oil) Wet Annular Seal: Measurements and Predictions. Journal of Engineering for Gas Turbines and Power.
141(3), 032503.
-
Yang, J., & San Andres, L.
(2019).
On the Influence of the Entrance Section on the Rotordynamic Performance of a Pump Seal With Uniform Clearance: A Sharp Edge Versus A Round Inlet. 141(3),
-
Lu, X., & San Andres, L.
(2019).
Step Clearance Seals: An Analysis to Demonstrate Their Unique Performance. Journal of Tribology.
141(3),
-
Arihara, H., Kameyama, Y., Baba, Y., & San Andres, L.
(2019).
A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed-Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data. Journal of Engineering for Gas Turbines and Power.
141(2),
-
San Andres, L., Koo, B., & Jeung, S.
(2019).
Experimental Force Coefficients for Two Sealed Ends Squeeze Film Dampers (Piston Rings and O-Rings): An Assessment of Their Similarities and Differences. Journal of Engineering for Gas Turbines and Power.
141(2),
-
Andres, L. S., Yang, J., & Lu, X.
(2019).
On the Leakage, Torque, and Dynamic Force Coefficients of Air in Oil (Wet) Annular Seal: A Computational Fluid Dynamics Analysis Anchored to Test Data. 141(2),
-
Cable, T. A., & San Andres, L.
(2018).
On the Design, Manufacture, and Premature Failure of a Metal Mesh Foil Thrust Bearing-How Concepts That Work on Paper, Actually Do Not. Journal of Engineering for Gas Turbines and Power.
140(12),
-
Rohmer, M., Andres, L. S., & Wilkinson, S.
(2018).
Static Load Performance of a Water-Lubricated Hydrostatic Thrust Bearing. Journal of Engineering for Gas Turbines and Power.
140(6),
-
San Andres, L., Koo, B., & Hemmi, M.
(2018).
A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Toward Understanding the Onset of Low Frequency Shaft Motions. Journal of Engineering for Gas Turbines and Power.
140(5),
-
San Andres, L., Yu, F., & Gjika, K.
(2018).
On the Influence of Lubricant Supply Conditions and Bearing Configuration to the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers. Journal of Engineering for Gas Turbines and Power.
140(3), 032503.
-
Andres, L. S., Wu, T., Maeda, H., & Tomoki, O.
(2018).
A Computational Fluid Dynamics Modified Bulk Flow Analysis for Circumferentially Shallow Grooved Liquid Seals. Journal of Engineering for Gas Turbines and Power.
140(1), 012504.
-
Andres, L. S., & Lu, X.
(2018).
Leakage, Drag Power, and Rotordynamic Force Coefficients of an Air in Oil (Wet) Annular Seal. Journal of Engineering for Gas Turbines and Power.
140(1), 012505.
-
San Andres, L., Den, S., & Jeung, S.
(2018).
On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back). Journal of Engineering for Gas Turbines and Power.
140(1), 012502.
-
Cable, T. A., San Andres, L., & Wygant, K.
(2017).
On the Predicted Effect of Angular Misalignment on the Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors. Journal of Engineering for Gas Turbines and Power.
139(4), 042503.
-
San Andres, L., Phillips, S., & Childs, D.
(2017).
A Water-Lubricated Hybrid Thrust Bearing: Measurements and Predictions of Static Load Performance. Journal of Engineering for Gas Turbines and Power.
139(2), 022506.
-
Andres, L. S., & Jeung, S.
(2016).
Response of a Squeeze Film Damper-Elastic Structure System to Multiple and Consecutive Impact Loads. Journal of Engineering for Gas Turbines and Power.
138(12), 122504.
-
San Andres, L., Den, S., & Jeung, S.
(2016).
Transient Response of a Short-Length (L/D=0.2) Open-Ends Elastically Supported Squeeze Film Damper: Centered and Largely Off-Centered Whirl Motions. Journal of Engineering for Gas Turbines and Power.
138(12), 122503.
-
San Andres, L., Lu, X., & Liu, Q.
(2016).
Measurements of Flow Rate and Force Coefficients in a Short-Length Annular Seal Supplied with a Liquid/Gas Mixture (Stationary Journal). 59(4), 758-767.
-
Jeung, S., Andres, L. S., & Bradley, G.
(2016).
Forced Coefficients for a Short Length, Open Ends Squeeze Film Damper With End Grooves: Experiments and Predictions. 138(2), 022501.
-
Andres, L. S., & Jeung, S.
(2016).
Orbit-Model Force Coefficients for Fluid Film Bearings: A Step Beyond Linearization. Journal of Engineering for Gas Turbines and Power.
138(2), 022502.
-
Andres, L. S., & Norsworthy, J.
(2016).
Structural and Rotordynamic Force Coefficients of a Shimmed Bump Foil Bearing: An Assessment of a Simple Engineering Practice. 138(1), 012505.
-
San Andres, L., & Li, Y.
(2015).
Effect of Pad Flexibility on the Performance of Tilting Pad Journal Bearings-Benchmarking a Predictive Model. Journal of Engineering for Gas Turbines and Power.
137(12), 122503.
-
San Andres, L., & Anderson, A.
(2015).
An All-Metal Compliant Seal Versus a Labyrinth Seal: A Comparison of Gas Leakage at High Temperatures. Journal of Engineering for Gas Turbines and Power.
137(5), 052504.
-
San Andres, L., Cable, T. A., Wygant, K., & Morton, A.
(2015).
On the Predicted Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors. Journal of Engineering for Gas Turbines and Power.
137(5), 052502.
-
San Andres, L., & Jeung, S.
(2015).
Experimental Performance of an Open Ends, Centrally Grooved, Squeeze Film Damper Operating With Large Amplitude Orbital Motions. 137(3), 032508.
-
San Andres, L., Ryu, K., & Diemer, P.
(2015).
Prediction of Gas Thrust Foil Bearing Performance for Oil-Free Automotive Turbochargers. Journal of Engineering for Gas Turbines and Power.
137(3), 032502-10.
-
San Andres, L., Tao, Y., & Li, Y.
(2015).
Tilting Pad Journal Bearings: On Bridging the Hot Gap Between Experimental Results and Model Predictions. 137(2), 022505.
-
Andres, L. S.
(2014).
Force coefficients for a large clearance open ends squeeze film damper with a central feed groove: Experiments and predictions. Tribology International.
71, 17-25.
-
San Andres, L., & Chirathadam, T. A.
(2013).
Performance Characteristics of Metal Mesh Foil Bearings: Predictions Versus Measurements. Journal of Engineering for Gas Turbines and Power.
135(12),
-
San Andres, L., & Tao, Y.
(2013).
The Role of Pivot Stiffness on the Dynamic Force Coefficients of Tilting Pad Journal Bearings. Journal of Engineering for Gas Turbines and Power.
135(11),
-
San Andres, L.
(2013).
Closure to "Discussion on 'Damping and Inertia Coefficients for Two End Sealed Squeeze Film Dampers With a Central Groove: Measurements and Predictions,'" (2013, ASME Paper No. GT2013-94273). Journal of Engineering for Gas Turbines and Power.
135(12), 125502.
-
San Andres, L., & Seshagiri, S.
(2013).
Damping and Inertia Coefficients for Two End Sealed Squeeze Film Dampers With a Central Groove: Measurements and Predictions. Journal of Engineering for Gas Turbines and Power.
135(11), 112503.
-
Chirathadam, T. A., & San Andres, L.
(2013).
Measurements of Rotordynamic Response and Temperatures in a Rotor Supported on Metal Mesh Foil Bearings. Journal of Engineering for Gas Turbines and Power.
135(12), 122507.
-
Ryu, K., & San Andres, L.
(2013).
On the Failure of a Gas Foil Bearing: High Temperature Operation Without Cooling Flow. Journal of Engineering for Gas Turbines and Power.
135(11), 112506.
-
San Andres, L., & Chirathadam, T. A.
(2012).
A Metal Mesh Foil Bearing and a Bump-Type Foil Bearing: Comparison of Performance for Two Similar Size Gas Bearings. Journal of Engineering for Gas Turbines and Power.
134(10), 102501.
-
San Andres, L.
(2012).
Damping and Inertia Coefficients for Two Open Ends Squeeze Film Dampers With a Central Groove: Measurements and Predictions. Journal of Engineering for Gas Turbines and Power.
134(10), 102506.
-
Ryu, K., & San Andres, L.
(2012).
Effect of Cooling Flow on the Operation of a Hot Rotor-Gas Foil Bearing System. Journal of Engineering for Gas Turbines and Power.
134(10), 102511.
-
San Andres, L., Barbarie, V., Bhattacharya, A., & Gjika, K.
(2012).
On the Effect of Thermal Energy Transport to the Performance of (Semi) Floating Ring Bearing Systems for Automotive Turbochargers. Journal of Engineering for Gas Turbines and Power.
134(10), 102507.
-
Andres, L. S., & Delgado, A.
(2012).
A Novel Bulk-Flow Model for Improved Predictions of Force Coefficients in Grooved Oil Seals Operating Eccentrically. Journal of Engineering for Gas Turbines and Power.
134(5), 052509.
-
Andres, L. S.
(2012).
Rotordynamic Force Coefficients of Bubbly Mixture Annular Pressure Seals. 134(2), 022503.
-
San Andres, L., & Chirathadam, T. A.
(2011).
Metal Mesh Foil Bearing: Effect of Motion Amplitude, Rotor Speed, Static Load, and Excitation Frequency on Force Coefficients. Journal of Engineering for Gas Turbines and Power.
133(12), 122503.
-
San Andres, L., Ryu, K., & Kim, T. H.
(2011).
Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System-Part I: Measurements. 133(6), 062501.
-
San Andres, L., Ryu, K., & Kim, T. H.
(2011).
Thermal Management and Rotordynamic Performance of a Hot Rotor-Gas Foil Bearings System-Part II: Predictions Versus Test Data. 133(6), 062502.
-
San Andres, L., & Chirathadam, T. A.
(2011).
Identification of Rotordynamic Force Coefficients of a Metal Mesh Foil Bearing Using Impact Load Excitations. Journal of Engineering for Gas Turbines and Power.
133(11), 112501.
-
San Andres, L., Ryu, K., & Kim, T. H.
(2011).
Identification of Structural Stiffness and Energy Dissipation Parameters in a Second Generation Foil Bearing: Effect of Shaft Temperature. Journal of Engineering for Gas Turbines and Power.
133(3), 032501.
-
Howard, S. A., & San Andres, L.
(2011).
A New Analysis Tool Assessment for Rotordynamic Modeling of Gas Foil Bearings. 133(2), 022505.
-
Gjika, K., Andres, L. S., & Larue, G. D.
(2010).
Nonlinear Dynamic Behavior of Turbocharger Rotor-Bearing Systems With Hydrodynamic Oil Film and Squeeze Film Damper in Series: Prediction and Experiment. 5(4), 041006-8.
-
Delgado, A., & San Andres, L.
(2010).
A Model for Improved Prediction of Force Coefficients in Grooved Squeeze Film Dampers and Oil Seal Rings. 132(3), 032202-12.
-
Delgado, A., & San Andres, L.
(2010).
Identification of Force Coefficients in a Squeeze Film Damper With a Mechanical Seal: Large Contact Force. 132(3), 032201-7.
-
Andres, L. S., & Ashton, Z.
(2010).
Comparison of Leakage Performance in Three Types of Gas Annular Seals Operating at a High Temperature (300 degrees C). Tribology Transactions.
53(3), 463-471.
-
Delgado, A., & Andres, L. S.
(2010).
Identification of Squeeze Film Damper Force Coefficients From Multiple-Frequency Noncircular Journal Motions. 132(4), 042501.
-
Andres, L. S., Baker, J., & Delgado, A.
(2010).
Rotordynamic Force Coefficients of a Hybrid Brush Seal: Measurements and Predictions. 132(4), 042503.
-
Andres, L. S., & Kim, T. H.
(2010).
Thermohydrodynamic Analysis of Bump Type Gas Foil Bearings: A Model Anchored to Test Data. 132(4), 042504.
-
San Andres, L., Chirathadam, T. A., & Kim, T.
(2010).
Measurement of Structural Stiffness and Damping Coefficients in a Metal Mesh Foil Bearing. 132(3), 032503.
-
San Andres, L., Maruyama, A., Gjika, K., & Xia, S.
(2010).
Turbocharger Nonlinear Response With Engine-Induced Excitations: Predictions and Test Data. 132(3), 032502.
-
Kim, T. H., & San Andrs, L.
(2010).
Thermohydrodynamic Model Predictions and Performance Measurements of Bump-Type Foil Bearing for Oil-Free Turboshaft Engines in Rotorcraft Propulsion Systems. Journal of Tribology.
132(1), 1-11.
-
Kim, T. H., Breedlove, A. W., & San Andres, L.
(2009).
Characterization of a Foil Bearing Structure at Increasing Temperatures: Static Load and Dynamic Force Performance. 131(4), 041703-9.
-
Delgado, A., & San Andres, L.
(2009).
Nonlinear Identification of Mechanical Parameters in a Squeeze Film Damper With Integral Mechanical Seal. 131(4), 042504.
-
Kim, T. H., & Andres, L. S.
(2009).
Effects of a Mechanical Preload on the Dynamic Force Response of Gas Foil Bearings: Measurements and Model Predictions. Tribology Transactions.
52(4), 569-580.
-
Andres, L. S., & Kim, T. H.
(2009).
Analysis of gas foil bearings integrating FE top foil models. Tribology International.
42(1), 111-120.
-
Kim, T. H., & Andres, L. S.
(2009).
Effect of Side Feed Pressurization on the Dynamic Performance of Gas Foil Bearings: A Model Anchored to Test Data. Journal of Engineering for Gas Turbines and Power.
131(1), 012501.
-
Andres, L. S., Baker, J., & Delgado, A.
(2009).
Measurements of Leakage and Power Loss in a Hybrid Brush Seal. 131(1), 012505.
-
San Andrs, L., & Ryu, K.
(2008).
Hybrid Gas Bearings With Controlled Supply Pressure to Eliminate Rotor Vibrations While Crossing System Critical Speeds. Journal of Engineering for Gas Turbines and Power.
130(6), 062505.
-
Andres, L. S., & Kim, T. H.
(2008).
Forced nonlinear response of gas foil bearing supported rotors. Tribology International.
41(8), 704-715.
-
Andres, L. S., & Ryu, K.
(2008).
Flexure pivot tilting pad hybrid gas bearings: Operation with worn clearances and two load-pad configurations. Journal of Engineering for Gas Turbines and Power.
130(4), 042506.
-
Andres, L. S., & Delgado, A.
(2008).
Squeeze film damper with a mechanical end seal:: Experimental force coefficients derived from circular centered orbits. Journal of Engineering for Gas Turbines and Power.
130(4), 042505.
-
Kim, T. H., & Andres, L. S.
(2008).
Heavily loaded gas foil bearings: A model anchored to test data. Journal of Engineering for Gas Turbines and Power.
130(1), 012504.
-
San Andres, L., Rivadeneira, J. C., Gjika, K., Groves, C., & LaRue, G.
(2007).
A virtual tool for prediction of turbocharger nonlinear dynamic response: Validation against test data. 129(4), 1035-1046.
-
Zhu, X., & Andres, L. S.
(2007).
Rotordynamic performance of flexure pivot hydrostatic gas bearings for oil-free turbomachinery. Journal of Engineering for Gas Turbines and Power.
129(4), 1020-1027.
-
Kim, T. H., & Andres, L. S.
(2007).
Analysis of advanced gas foil bearings with piecewise linear elastic supports. Tribology International.
40(8), 1239-1245.
-
San Andrs, L., & Delgado, A.
(2007).
Identification of Force Coefficients in a Squeeze Film Damper With a Mechanical End SealCentered Circular Orbit Tests. Journal of Tribology.
129(3), 660-668.
-
Andres, L. S., & Delgado, A.
(2007).
Identification of force coefficients in a squeeze film damper with a mechanical end seal -: Part 1:: Unidirectional load tests. Journal of Engineering for Gas Turbines and Power.
129(3), 858-864.
-
Andres, L. S., Rubio, D., & Kim, T. H.
(2007).
Rotordynamic performance of a rotor supported on bump type foil gas bearings: Experiments and predictions. 129(3), 850-857.
-
De Santiago, O., & Andres, L. S.
(2007).
Experimental identification of bearing dynamic force coefficients in a flexible rotor - Further developments. TRIBOLOGY & LUBRICATION TECHNOLOGY.
63(6), 42-52.
-
De Santiago, O., & San Andres, L.
(2007).
Experimental identification of bearing dynamic force coefficients in a flexible rotor - Further developments. Tribology Transactions.
50(1), 114-126.
-
San Andres, L., Rivadeneira, J. C., Chinta, M., Gjika, K., & LaRue, G.
(2007).
Nonlinear rotordynamics of automotive turbochargers: Predictions and comparisons to test data. Journal of Engineering for Gas Turbines and Power.
129(2), 488-493.
-
Andres, L. S., Rivadeneira, J. C., Gjika, K., Groves, C., & LaRue, G.
(2007).
Rotordynamics of small turbochargers supported on floating ring bearings - Highlights in bearing analysis and experimental validation. 129(2), 391-397.
-
Rubio, D., & San Andres, L.
(2007).
Structural stiffness, dry friction coefficient, and equivalent viscous damping in a bump-type foil gas bearing. 129(2), 494-502.
-
Soulas, T., & Andres, L. S.
(2007).
A bulk flow model for off-centered honeycomb gas seals. 129(1), 185-194.
-
Andres, L. S., Soulas, T., & Fayolle, P.
(2007).
A bulk-flow model of angled injection Lomakin bearings. 129(1), 195-204.
-
De Santiago, O. C., & Andres, L. S.
(2007).
Field methods for identification of bearing support parameters - Part I: Identification from transient rotor dynamic response due to impacts. 129(1), 205-212.
-
De Santiago, O. C., & Andres, L. S.
(2007).
Field methods for identification of bearing support parameters - Part II: Identification from rotor dynamic response due to imbalances. 129(1), 213-219.
-
Rubio, D., & San Andres, L.
(2006).
Bump-type foil bearing structural stiffness: Experiments and predictions. Journal of Engineering for Gas Turbines and Power.
128(3), 653-660.
-
Osborne, D. A., & San Andres, L.
(2006).
Comparison of rotordynamic analysis predictions with the test response of simple gas hybrid bearings for oil free turbomachinery. 128(3), 634-643.
-
Osborne, D. A., & San Andres, L.
(2006).
Experimental response of simple gas hybrid bearings for oil-free turbomachinery. 128(3), 626-633.
-
San Andrs, L.
(2006).
Hybrid Flexure Pivot-Tilting Pad Gas Bearings: Analysis and Experimental Validation. Journal of Tribology.
128(3), 551-558.
-
Kim, T. H., & San Andres, L.
(2006).
Limits for high-speed operation of gas foil bearings. 128(3), 670-673.
-
Delgado, A., San Andrs, L., & Justak, J. F.
(2005).
Measurements of leakage, structural stiffness and energy dissipation parameters in a shoed brush seal. Sealing Technology.
2005(12), 7-10.
-
Holt, C., San Andres, L., Sahay, S., Tang, P., La Rue, G., & Gjika, K.
(2005).
Test response and nonlinear analysis of a turbocharger supported on floating ring bearings. Journal of Vibration and Acoustics: Transactions of the ASME.
127(2), 107-115.
-
San Andres, L., & de Santiago, O.
(2005).
Identification of journal bearing force coefficients under high dynamic loading centered static operation. Tribology Transactions.
48(1), 9-17.
-
Andres, L. S., & Kerth, J.
(2004).
Thermal effects on the performance of floating ring bearings for turbochargers. Proceedings of the Institution of Mechanical Engineers Part J: Journal of Engineering Tribology.
218(J5), 437-450.
-
San Andres, L., & De Santiago, O. C.
(2004).
Dynamic response of squeeze film dampers operating with bubbly mixtures. Journal of Engineering for Gas Turbines and Power.
126(2), 408-415.
-
San Andres, L., & De Santiago, O.
(2004).
Forced response of a squeeze film damper and identification of force coefficients from large orbital motions. Journal of Tribology.
126(2), 292-300.
-
Andres, L. S., & De Santiago, O.
(2003).
Imbalance response of a rotor supported on flexure pivot tilting pad journal bearings in series with integral squeeze film dampers. Journal of Engineering for Gas Turbines and Power.
125(4), 1026-1032.
-
Andres, L. S., & Diaz, S. E.
(2003).
Flow visualization and forces from a squeeze film damper operating with natural air entrainment. Journal of Tribology.
125(2), 325-333.
-
Soulas, T., & San Andres, L.
(2003).
Performance of damaged hydrostatic bearings: Predictions versus experiments. 125(2), 451-456.
-
Andres, L. S., & Diaz, S. E.
(2002).
Pressure measurements and flow visualization in a squeeze film damper operating with a bubbly mixture. 124(2), 346-350.
-
San Andres, L.
(2002).
Effects of misalignment on turbulent flow hybrid thrust bearings. 124(1), 212-219.
-
San Andrs, L.
(2001).
Effects of misalignment on turbulent flow hybrid thrust bearings
-
San Andrs, L., & Diaz, S. E.
(2001).
Pressure measurements and flow visualization in a squeeze film damper operating with a bubbly mixture
-
Diaz, S. E., & San Andres, L. A.
(2001).
Air entrainment versus lubricant vaporization in squeeze film dampers: An experimental assessment of their fundamental differences. Journal of Engineering for Gas Turbines and Power.
123(4), 871-877.
-
Diaz, S., & San Andres, L.
(2001).
A model for squeeze film dampers operating with air entrainment and validation with experiments. 123(1), 125-133.
-
San Andrs, L., & Wilde, D.
(2001).
Finite element analysis of gas bearings for oil-free turbomachinery. Revue Européenne des Éléments Finis.
10(6-7), 769-790.
-
San Andres, L., Diaz, S. E., & Rodriguez, L. E.
(2001).
Sine sweep load vs. impact excitations and their influence on the damping coefficients of a bubbly oil squeeze film damper. Tribology Transactions.
44(4), 692-698.
-
Zirkelback, N., & San Andres, L.
(1999).
Effect of frequency excitation on force coefficients of spiral groove gas seals. Journal of Tribology.
121(4), 853-861.
-
de Santiago, O., Andres, L. S., & Oliveras, J.
(1999).
Imbalance response of a rotor supported on open-ends integral squeeze film dampers. Journal of Engineering for Gas Turbines and Power.
121(4), 718-724.
-
Diaz, S. E., & San Andres, L. A.
(1999).
Reduction of the dynamic load capacity in a squeeze film damper operating with a bubbly lubricant. Journal of Engineering for Gas Turbines and Power.
121(4), 703-709.
-
Li, J., San Andres, L., & Vance, J.
(1999).
A bulk-flow analysis of multiple-pocket gas damper seals. Journal of Engineering for Gas Turbines and Power.
121(2), 355-363.
-
Li, J. M., Ransom, D., San Andres, L., & Vance, J.
(1999).
Comparison of predictions with test results for rotordynamic coefficients of a four-pocket gas damper seal. Journal of Tribology.
121(2), 363-369.
-
Ransom, D., Li, J. M., San Andres, L., & Vance, J.
(1999).
Experimental force coefficients for a two-bladed labyrinth seal and a four-pocket damper seal. Journal of Tribology.
121(2), 370-376.
-
Diaz, S. E., & San Andres, L. A.
(1999).
A method for identification of bearing force coefficients and its application to a squeeze film damper with a bubbly lubricant. Tribology Transactions.
42(4), 739-746.
-
Ransom, D. L., & Andres, L. S.
(1999).
Identification of force coefficients from a gas annular seal - Effect of transition flow regime to turbulence. Tribology Transactions.
42(3), 487-494.
-
Arauz, G. L., & San Andres, L.
(1998).
Analysis of two-phase flow in cryogenic damper seals - Part I: Theoretical model. Journal of Tribology.
120(2), 221-227.
-
Arauz, G. L., & San Andres, L.
(1998).
Analysis of two-phase flow in cryogenic damper seals - Part II: Model validation and predictions. Journal of Tribology.
120(2), 228-233.
-
Zirkelback, N., & San Andres, L.
(1998).
Finite element analysis of herringbone groove journal bearings: A parametric study. Journal of Tribology.
120(2), 234-240.
-
San Andres, L., & Lubell, D.
(1998).
Imbalance Response of a Test Rotor Supported on Squeeze Film Dampers. Journal of Engineering for Gas Turbines and Power.
120(2), 397-404.
-
Diaz, S. E., & San Andres, L. A.
(1998).
Measurements of pressure in a squeeze film damper with an air/oil bubbly mixture. Tribology Transactions.
41(2), 282-288.
-
San Andres, L., & Jackson, M. C.
(1998).
Measurements of the static load (on pad) performance and pad temperatures in a flexure-pivot tilting-pad bearing. Tribology Transactions.
41(2), 225-232.
-
Marquette, O. R., Childs, D. W., & San Andres, L.
(1997).
Closure to Discussion of Eccentricity Effects on the Rotordynamic Coefficients of Plain Annular Seals: Theory Versus Experiment (1997, ASME J. Tribol., 119, pp. 447448). Journal of Tribology.
119(3), 448-448.
-
Marquette, O. R., Childs, D. W., & SanAndres, L.
(1997).
Eccentricity effects on the rotordynamic coefficients of plain annular seals: Theory versus experiment. Journal of Tribology.
119(3), 443-447.
-
Walton, N. V., & San Andres, L.
(1997).
Closure to Discussion of Measurements of Static Loading Versus Eccentricity in a Flexure-Pivot Tilting Pad Journal Bearing (1997, ASME J. Tribol., 119, p. 304). Journal of Tribology.
119(2), 304-305.
-
Zirkelback, N., & SanAndres, L.
(1997).
Forces and moments due to misalignment vibrations in annular liquid seals using the averaged Navier-Stokes equations - Discussion. Journal of Tribology.
119(2), 287-288.
-
Walton, N. V., & SanAndres, L.
(1997).
Measurements of static loading versus eccentricity in a flexure-pivot tilting pad journal bearing. Journal of Tribology.
119(2), 297-304.
-
San Andres, L., & Childs, D.
(1997).
Angled InjectionHydrostatic Bearings Analysis and Comparison to Test Results. Journal of Tribology.
119(1), 179-187.
-
SanAndres, L.
(1997).
Experimental and theoretical rotordynamic characteristics of a hybrid journal bearing - Discussion. Journal of Tribology.
119(1), 141-142.
-
Arauz, G. L., & SanAndres, L.
(1997).
Experimental force response of a grooved squeeze film damper. 30(1), 77-86.
-
SanAndres, L.
(1997).
Transient response of externally pressurized fluid film bearings. Tribology Transactions.
40(1), 147-155.
-
Arauz, G. L., & SanAndres, L.
(1996).
Experimental study on the effect of a circumferential feeding groove on the dynamic force response of a sealed squeeze film damper. Journal of Tribology.
118(4), 900-905.
-
Zirkelback, N., & SanAndres, L.
(1996).
Bulk-flow model for the transition to turbulence regime in annular pressure seals. ASLE transactions.
39(4), 835-842.
-
Yang, Z., Andres, L. S., & Childs, D. W.
(1996).
Thermal effects in liquid oxygen hydrostatic journal bearings. Tribology Transactions.
39(3), 654-662.
-
San Andres, L.
(1996).
Turbulent Flow, Flexure-Pivot Hybrid Bearings for Cryogenic Applications. Journal of Tribology.
118(1), 190-200.
-
SANANDRES, L.
(1995).
THERMOHYDRODYNAMIC ANALYSIS OF FLUID FILM BEARINGS FOR CRYOGENIC APPLICATIONS. Journal of Propulsion and Power.
11(5), 964-972.
-
Yang, Z., SanAndres, L., & Childs, D. W.
(1995).
Thermohydrodynamic analysis of process-liquid hydrostatic journal bearings in turbulent regime .1. The model and perturbation analysis. Journal of Applied Mechanics, Transactions ASME.
62(3), 674-678.
-
Yang, Z., SanAndres, L., & Childs, D. W.
(1995).
Thermohydrodynamic analysis of process-liquid hydrostatic journal bearings in turbulent regime .2. Numerical solution and results. Journal of Applied Mechanics, Transactions ASME.
62(3), 679-684.
-
SANANDRES, L., CHILDS, D., & YANG, Z.
(1995).
TURBULENT-FLOW HYDROSTATIC BEARINGS - ANALYSIS AND EXPERIMENTAL RESULTS. International Journal of Mechanical Sciences.
37(8), 815-829.
-
HILL, D. L., BASKHARONE, E. A., & SANANDRES, L.
(1995).
INERTIA EFFECTS IN A HYBRID BEARING WITH A 45-DEGREE ENTRANCE REGION. Journal of Tribology.
117(3), 498-505.
-
SANANDRES, L.
(1995).
TURBULENT-FLOW FOIL BEARINGS FOR CRYOGENIC APPLICATIONS. Journal of Tribology.
117(1), 185-195.
-
Franchek, N. M., Childs, D. W., & San Andres, L.
(1994).
Theoretical and experimental comparisons for rotordynamic coefficients of a high-speed, high-pressure, orifice-compensated hybrid bearing. American Society of Mechanical Engineers (Paper).
1-6.
-
San Andres, L.
(1994).
Turbulent flow foil bearings for cryogenic applications
1 . American Society of Mechanical Engineers (Paper). 1-11.
-
SEMANATE, J. E., & SANANDRES, L. A.
(1994).
THERMAL-ANALYSIS OF LOCKED MULTIRING OIL SEALS. 27(3), 197-206.
-
Arauz, G. L., & San Andres, L.
(1994).
Closure to Discussion of Effect of a Circumferential Feeding Groove on the Dynamic Force Response of a Short Squeeze Film Damper (1994, ASME J. Tribol., 116, p. 376). Journal of Tribology.
116(2), 376-377.
-
San Andres, L.
(1994).
Discussion: Roughness Influence on Turbulent Flow Through Annular Seals (Lucas, Victor, Danaila, Sterian, Bonneau, Olivier, and Frne, Jean, 1994, ASME J. Tribol., 116, pp. 321328). Journal of Tribology.
116(2), 328-328.
-
ARAUZ, G. L., & SANANDRES, L.
(1994).
EFFECT OF A CIRCUMFERENTIAL FEEDING GROOVE ON THE DYNAMIC FORCE RESPONSE OF A SHORT SQUEEZE FILM DAMPER. Journal of Tribology.
116(2), 369-377.
-
YANG, Z., SANANDRES, L., & CHILDS, D. W.
(1994).
DYNAMIC FORCE PERFORMANCE OF ANNULAR GAS SEALS AT OFF-CENTER CONDITIONS. Tribology Transactions.
37(1), 33-42.
-
SANANDRES, L.
(1994).
DYNAMIC FORCE RESPONSE OF SPHERICAL HYDROSTATIC JOURNAL BEARINGS FOR CRYOGENIC APPLICATIONS. ASLE transactions.
37(3), 463-470.
-
Zhou Yang, .., San Andres, L., & Childs, D. W.
(1994).
Dynamic force performance of annular gas seals at off-center conditions. Tribology Transactions.
37(1), 33-42.
-
San Andres, L.
(1993).
Discussion: The Effects of Fixed Rotor Tilt on the Rotordynamic Coefficients of Incompressible Flow Annular Seals (Scharrer, J. K., Rubin, N., and Nelson, C. C., 1993, ASME J. Tribol., 115, pp. 336340). Journal of Tribology.
115(3), 340-341.
-
SANANDRES, L.
(1993).
THE EFFECT OF JOURNAL MISALIGNMENT ON THE OPERATION OF A TURBULENT-FLOW HYDROSTATIC BEARING. Journal of Tribology.
115(3), 355-363.
-
VANCE, J. M., CARDON, B. P., ANDRES, L., & STORACE, A. F.
(1993).
A GAS-OPERATED BEARING DAMPER FOR TURBOMACHINERY. Journal of Engineering for Gas Turbines and Power.
115(2), 383-389.
-
SANANDRES, L. A., MENG, G., & YOON, S.
(1993).
DYNAMIC FORCE RESPONSE OF AN OPEN-ENDED SQUEEZE FILM DAMPER. Journal of Engineering for Gas Turbines and Power.
115(2), 341-346.
-
YANG, Z., ANDRES, L. S., & CHILDS, D. W.
(1993).
THERMAL EFFECTS IN CRYOGENIC LIQUID ANNULAR SEALS .1. THEORY AND APPROXIMATE SOLUTION. Journal of Tribology.
115(2), 267-276.
-
ANDRES, L. S., YANG, Z., & CHILDS, D. W.
(1993).
THERMAL EFFECTS IN CRYOGENIC LIQUID ANNULAR SEALS .2. NUMERICAL-SOLUTION AND RESULTS. Journal of Tribology.
115(2), 277-284.
-
YANG, Z., ANDRES, L. S., & CHILDS, D. W.
(1993).
IMPORTANCE OF HEAT-TRANSFER FROM FLUID FILM TO STATOR IN TURBULENT-FLOW ANNULAR SEALS. Wear.
160(2), 269-277.
-
SEMANATE, J. E., & ANDRES, L. S.
(1993).
ANALYSIS OF MULTI-LAND HIGH-PRESSURE OIL SEALS. ASLE transactions.
36(4), 661-669.
-
Kurtin, K. A., Childs, D., San Andres, L., & Hale, K.
(1993).
Closure to Discussion of Experimental Versus Theoretical Characteristics of a High-Speed Hybrid (Combination Hydrostatic and Hydrodynamic) Bearing (1993, ASME J. Tribol., 115, p. 168). Journal of Tribology.
115(1), 168-169.
-
ANDRES, L. S.
(1993).
DYNAMIC FORCE AND MOMENT COEFFICIENTS FOR SHORT LENGTH ANNULAR SEALS. Journal of Tribology.
115(1), 61-70.
-
San Andres, L.
(1993).
Discussion: Analysis for Incompressible Flow in Annular Pressure Seals (Simon, F., and Frne, J., 1992, ASME J. Tribol., 114, pp. 431438). Journal of Tribology.
115(1), 203-205.
-
SANANDRES, L.
(1993).
EFFECT OF SHAFT MISALIGNMENT ON THE DYNAMIC FORCE RESPONSE OF ANNULAR PRESSURE SEALS. Tribology Transactions.
36(2), 173-182.
-
ARAUZ, G. L., & ANDRES, L.
(1993).
EXPERIMENTAL PRESSURES AND FILM FORCES IN A SQUEEZE FILM DAMPER. Journal of Tribology.
115(1), 134-140.
-
KURTIN, K. A., CHILDS, D., ANDRES, L. S., HALE, K., & SCHARRER, J. K.
(1993).
EXPERIMENTAL VERSUS THEORETICAL CHARACTERISTICS OF A HIGH-SPEED HYBRID (COMBINATION HYDROSTATIC AND HYDRODYNAMIC) BEARING. Journal of Tribology.
115(1), 160-169.
-
SANANDRES, L. A.
(1992).
ANALYSIS OF HYDROSTATIC JOURNAL BEARINGS WITH END SEALS. Journal of Tribology.
114(4), 802-811.
-
San Andres, L. A.
(1992).
Closure to Discussion of Analysis of Short Squeeze Film Dampers With a Central Groove (1992, ASME J. Tribol., 114, p. 664). Journal of Tribology.
114(4), 664-665.
-
San Andres, L. A.
(1992).
Closure to Discussions of Analysis of Turbulent Hydrostatic Bearings With a Barotropic Cryogenic Fluid (1992, ASME J. Tribol., 114, p. 764). Journal of Tribology.
114(4), 764-765.
-
San Andres, L.
(1992).
Discussion: Entry Flow and Pressure Jump in Submerged Multi-Pad Bearings and Grooved Bearings (Mori, A., Makino, T., and Mori, H., 1992, ASME J. Tribol., 114, pp. 370377). Journal of Tribology.
114(2), 377-378.
-
Sanandres, L. A.
(1992).
Analysis of hydrostatic journal bearings with end seals. Journal of Tribology.
114(4), 802-811.
-
San Andres, L. A.
(1992).
Analysis of short squeeze film dampers with a central groove. Journal of Tribology.
114(4), 659-665.
-
San Andres, L. A.
(1992).
Analysis of turbulent hydrostatic bearings with a barotropic cryogenic fluid. Journal of Tribology.
114(4), 755-764.
-
ANDRES, L., & VELTHUIS, J.
(1992).
LAMINAR-FLOW IN A RECESS OF A HYDROSTATIC BEARING. ASLE transactions.
35(4), 738-744.
-
SANANDRES, L. A.
(1991).
ANALYSIS OF VARIABLE FLUID PROPERTIES, TURBULENT ANNULAR SEALS. Journal of Tribology.
113(4), 694-702.
-
ANDRES, L.
(1991).
EFFECTS OF FLUID COMPRESSIBILITY ON THE DYNAMIC-RESPONSE OF HYDROSTATIC JOURNAL BEARINGS. Wear.
146(2), 269-283.
-
ANDRES, L.
(1991).
EFFECT OF ECCENTRICITY ON THE FORCE RESPONSE OF A HYBRID BEARING. ASLE transactions.
34(4), 537-544.
-
JUNG, S. Y., ANDRES, L., & VANCE, J. M.
(1991).
MEASUREMENTS OF PRESSURE DISTRIBUTIONS AND FORCE COEFFICIENTS IN A SQUEEZE FILM DAMPER .1. FULLY OPEN-ENDED CONFIGURATION. Tribology Transactions.
34(3), 375-382.
-
JUNG, S. Y., ANDRES, L., & VANCE, J. M.
(1991).
MEASUREMENTS OF PRESSURE DISTRIBUTIONS AND FORCE COEFFICIENTS IN A SQUEEZE FILM DAMPER .2. PARTIALLY SEALED CONFIGURATION. ASLE transactions.
34(3), 383-388.
-
San Andres, L.
(1990).
Approximate Analysis of Turbulent Hybrid Bearings. Static and Dynamic Performance for Centered Operation. Journal of Tribology.
112(4), 692-698.
-
ANDRES, L. S.
(1990).
TURBULENT HYBRID BEARINGS WITH FLUID INERTIA EFFECTS. Journal of Tribology.
112(4), 699-707.
-
ANDRES, L.
(1989).
APPROXIMATE DESIGN OF STATICALLY LOADED CYLINDRICAL JOURNAL BEARINGS. Journal of Tribology.
111(2), 390-393.
-
SANANDRES, L. A.
(1988).
EFFECT OF FLUID INERTIA ON FORCE COEFFICIENTS FOR THE LONG SQUEEZE FILM DAMPER. Tribology Transactions.
31(3), 370-375.
-
SANANDRES, L. A., & VANCE, J. M.
(1988).
EFFECT OF FLUID INERTIA ON THE PERFORMANCE OF SQUEEZE FILM DAMPER SUPPORTED ROTORS. Journal of Engineering for Gas Turbines and Power.
110(1), 51-57.
-
San Andres, L. A., & Vance, J. M.
(1988).
Effect of Fluid Inertia on the Performance of Squeeze Film Damper Supported Rotors. Journal of Engineering for Gas Turbines and Power.
110(1), 51-57.
-
ANDRES, L., & VANCE, J. M.
(1987).
EFFECT OF FLUID INERTIA ON SQUEEZE-FILM DAMPER FORCES FOR SMALL-AMPLITUDE CIRCULAR-CENTERED MOTIONS. ASLE transactions.
30(1), 63-68.
-
SANANDRES, L. A., & VANCE, J. M.
(1987).
EFFECTS OF FLUID INERTIA ON FINITE-LENGTH SQUEEZE-FILM DAMPERS. ASLE transactions.
30(3), 384-393.
-
SANANDRES, L. A., & VANCE, J. M.
(1987).
EXPERIMENTAL-MEASUREMENT OF THE DYNAMIC PRESSURE DISTRIBUTION IN A SQUEEZE-FILM BEARING DAMPER EXECUTING CIRCULAR-CENTERED ORBIT. ASLE transactions.
30(3), 373-383.
-
San Andres, L. A., & Vance, J. M.
(1987).
Effect of Fluid Inertia on Squeeze-Film Damper Forces for Small-Amplitude Circular-Centered Motions. ASLE transactions.
30(1), 63-68.
-
Andres, L., & Vance, J. M.
(1987).
Effects of fluid inertia on finite-length squeeze-film dampers. ASLE transactions.
30(3), 384-393.
-
San Andres, L. A., & Vance, J. M.
(1987).
Experimental Measurement of the Dynamic Pressure Distribution in a Squeeze-Film Bearing Damper Executing Circular-Centered Orbit. ASLE transactions.
30(3), 373-383.
-
ANDRES, L., & VANCE, J. M.
(1987).
FORCE COEFFICIENTS FOR OPEN-ENDED SQUEEZE-FILM DAMPERS EXECUTING SMALL-AMPLITUDE MOTIONS ABOUT AN OFF-CENTER EQUILIBRIUM POSITION. ASLE transactions.
30(1), 69-76.
-
SANANDRES, L., & VANCE, J. M.
(1986).
EFFECTS OF FLUID INERTIA AND TURBULENCE ON THE FORCE COEFFICIENTS FOR SQUEEZE FILM DAMPERS. Journal of Engineering for Gas Turbines and Power.
108(2), 332-339.
-
San Andres, L., & Vance, J. M.
(1986).
Effects of Fluid Inertia and Turbulence on the Force Coefficients for Squeeze Film Dampers. Journal of Engineering for Gas Turbines and Power.
108(2), 332-339.
-
San Andres, L. A., & Vance, J. M.
(1986).
Effect of fluid inertia on squeeze-film damper forces for small-amplitude circular-centered motions
-
San Andres, L. A., & Vance, J. M.
(1986).
Force coefficients for open-ended squeeze-film dampers executing small-amplitude motions about an off-center equilibrium position
-
San Andres, L. A., & Vance, J. M.
(1986).
Force coefficients for open-ended squeeze-film dampers executing small-amplitude motions about an off-center equilibrium position
-
ANDRES, A. S., & SZERI, A. Z.
(1984).
FLOW BETWEEN ECCENTRIC ROTATING CYLINDERS. Journal of Applied Mechanics, Transactions ASME.
51(4), 869-878.
-
Andres, L. S., & Vance, J. M.
(1984).
Effects of fluid inertia and turbulence on force coefficients for squeeze film dampers
-
San Andrs, L., & Alcantar, A.
(2023).
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. 145(6),
-
chapter
-
San Andres, L., & Koo, B.
(2019).
Effect of Lubricant Supply Pressure on SFD Performance: Ends Sealed with O-rings and Piston Rings. Mechanisms and Machine Science.
Proceedings of the 10th International Conference on Rotor Dynamics IFToMM.
(pp. 359-371).
Springer Nature.
-
San Andrs, L.
(2013).
Cryogenic Hybrid Fluid Film Bearings. Encyclopedia of Tribology.
(pp. 630-641).
Springer Nature.
-
Andrs, L. S.
(2013).
Squeeze Film Dampers. Encyclopedia of Tribology.
(pp. 3252-3263).
Springer Nature.
-
San Andres, L., & Koo, B.
(2019).
Effect of Lubricant Supply Pressure on SFD Performance: Ends Sealed with O-rings and Piston Rings. Mechanisms and Machine Science.
Proceedings of the 10th International Conference on Rotor Dynamics IFToMM.
(pp. 359-371).
Springer Nature.
-
conference paper
-
Koo, B., & San Andrs, L.
(2022).
A Model and Experimental Validation for a Piston Rings - Squeeze Film Damper: A Step Toward Quantifying Air Ingestion
-
Jung, W., San Andrs, L., & Kim, J.
(2022).
A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System
-
Torres, J., San Andrs, L., & Yang, J.
(2022).
A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation
-
San Andrs, L., & Alcantar, A.
(2022).
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
-
Delgado, A., San Andrs, L., Yang, J., & Thiele, J.
(2022).
Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
-
Childs, D. W., Yang, J., San Andrs, L., Torres Rueda, J. M., & Moreland, J. A.
(2022).
Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator
-
Koosha, R., & San Andrs, L.
(2021).
A Model for Tilting Pad Thrust Bearings Operating With Reduced Flow Rate Do Benefits Outweigh Risks?
-
Yang, J., & San Andrs, L.
(2021).
An Analytical Two-Phase Flow Model for Prediction of Leakage in Wet Gas Labyrinth Seals and Pocket Damper Seals. Is Simplicity Still Desired?
-
Wu, T., San Andrs, L., & Lu, X.
(2021).
CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps
-
San Andrs, L., Kaizar, H., Jani, H., & Thorat, M.
(2021).
Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions
-
Yang, J., & San Andrs, L.
(2021).
Making Better Swirl Brakes Using Computational Fluid Dynamics: Performance Enhancement From Geometry Variation
-
San Andrs, L., Bolen, R., Yang, J., & McGowan, R.
(2021).
Measurements of Static and Dynamic Load Performance of a 102 mm Carbon-Graphite Porous Surface Tilting-Pad Gas Journal Bearing
-
San Andrs, L., Toner, J., & Alcantar, A.
(2021).
Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends
-
San Andrs, L., & Rodrguez, B.
(2021).
On the Experimental Dynamic Force Performance of a Squeeze Film Damper Supplied Through a Check Valve and Sealed With O-Rings
-
Childs, D., Yang, I., Moreland, J. A., Torres, J. M., & San Andres, L.
(2021).
Measured Leakage and Rotordynamic Coefficients for the Following Liquid Annular Seals: (a) Smooth rotor/Grooved Stator, and (b) Grooved Rotor/Smooth-Stator
-
San Andres, L., Wilkinson, S., & Yang, J.
(2021).
On the Experimental Static and Dynamic Load Performance of a Water Lubricated Hybrid Thrust Bearing
-
Yang, J., San Andrs, L., & Lu, X.
(2020).
On the Leakage and Dynamic Force Coefficients of a Novel Stepped Shaft Pocket Damper Seal: Experimental and Numerical Verification
-
Koosha, R., & San Andrs, L.
(2020).
A Computational Model for the Analysis of the Static Forced Performance of Self-Equalizing Tilting Pad Thrust Bearings
-
San Andrs, L., Jung, W., & Hong, S.
(2020).
A Thermo-Hydrodynamic Model for Thermal Energy Flow Management in a (Semi) Floating Ring Bearing System for Automotive Turbochargers
-
San Andrs, L., & Rodrguez, B.
(2020).
Experiments With a Rotor-Hybrid Gas Bearing System Undergoing Maneuver Loads From its Base Support
-
Wu, T., & San Andrs, L.
(2020).
Gas Labyrinth Seals: Improved Prediction of Leakage in Gas Labyrinth Seals Using an Updated Kinetic Energy Carry-Over Coefficient
-
San Andrs, L., Yang, J., & Kawashita, R.
(2020).
On the Effect of Clearance on the Leakage and Cavity Pressures in an Interlocking Labyrinth Seal Operating With and Without Swirl Brakes: Experiments and Predictions
-
San Andrs, L., Jani, H., Kaizar, H., & Thorat, M.
(2020).
On the Effect of Supplied Flow Rate to the Performance of a Tilting-Pad Journal Bearing: Static Load and Dynamic Force Measurements
-
San Andrs, L., Lu, X., Koo, B., & Tran, S.
(2020).
On the Effect of the Gap of End Seals on Force Coefficients of a Test Integral Squeeze Film Damper: Experiments and Predictions
-
San Andres, L., Lu, X., & Wu, T.
(2020).
On the Influence of Gas Content on the Rotordynamic Force Coefficients of a Three-Wave (Air in Oil) Annular Seal for Multiple Phase Pumps. Journal of Fluids Engineering, Transactions of the ASME.
-
San Andres, L., Hardik, J., Kaizar, H., & Thorat, M.
(2020).
Effect of Flow Rate on the Performance of a Flooded-Ends Tilting Pad Journal Bearing Experiments and Predictions
-
Delgado, A., Sanandres, L., Thiele, J., Yang, J., & Cangioli, F.
(2020).
Rotordynamic Performance of a Fully-Partitioned Damper Seal: Experimental and Numerical Results
-
Yang, J., San Andrés, L., & Lu, X.
(2019).
LEAKAGE AND DYNAMIC FORCE COEFFICIENTS OF A POCKET DAMPER SEAL OPERATING UNDER A WET GAS CONDITION: TESTS VS. PREDICTIONS. Journal of Engineering for Gas Turbines and Power.
-
Andres, L. S., Lu, X., & Wu, T.
(2019).
ON THE INFLUENCE OF GAS CONTENT ON THE ROTORDYNAMIC FORCE COEFFICIENTS OF A THREE-WAVE (AIR IN OIL) ANNULAR SEAL FOR MULTIPLE PHASE PUMPS
-
Koosha, R., & Andres, L. S.
(2019).
EFFECT OF PAD AND LINER MATERIAL PROPERTIES ON THE STATIC LOAD PERFORMANCE OF A TILTING PAD THRUST BEARING
-
San Andres, L., Wu, T., Barajas-Rivera, J., Zhang, J., & Kawashita, R.
(2019).
Leakage and Cavity Pressures in an Interlocking Labyrinth Gas Seal: Measurements vs. Predictions
-
Yang, J., San Andrs, L., & Lu, X.
(2019).
Leakage and Dynamic Force Coefficients of a Pocket Damper Seal Operating Under a Wet Gas Condition: Tests vs. Predictions
-
Lu, X., San Andrs, L., & Wu, T.
(2019).
Leakage and Force Coefficients of a Grooved Wet (Bubbly Liquid) Seal for Multiphase Pumps and Comparisons With Prior Test Results for a Three Wave Seal
-
Andres, L. S., & Koo, B.
(2019).
MODEL AND EXPERIMENTAL VERIFICATION OF THE DYNAMIC FORCED PERFORMANCE OF A TIGHTLY SEALED SQUEEZE FILM DAMPER SUPPLIED WITH A BUBBLY MIXTURE
-
Wu, T., & San Andres, L.
(2019).
Pump Grooved Seals: a CFD Approach to Improve Bulk-Flow Model Predictions
-
Lu, X., Andres, L. S., & Wu, T.
(2019).
Leakage and Force Coefficients of a Grooved Wet (Bubbly Liquid) Seal for Multiphase Pumps and Comparisons with Prior Test Results for a Three Wave Seal. Journal of Engineering for Gas Turbines and Power.
-
Koo, B., Jeung, S. H., & Andrs, L. S.
(2018).
Transient response of a squeeze film damper to impact loads: Experiments and predictions. 263-267.
-
San Andrs, L., Wu, T., Maeda, H., & Tomoki, O.
(2017).
A Computational Fluid Dynamics Modified Bulk Flow Analysis for Circumferentially Shallow Grooved Liquid Seals. v07at34a011-v07at34a011.
-
San Andrs, L., Koo, B., & Hemmi, M.
(2017).
A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Towards Understanding the Onset of Low Frequency Shaft Motions. v07at34a030-v07at34a030.
-
San Andrs, L., & Lu, X.
(2017).
Leakage, Drag Power and Rotordynamic Force Coefficients of an Air in Oil (Wet) Annular Seal. v07at34a004-v07at34a004.
-
San Andrs, L., Den, S., & Jeung, S.
(2017).
On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back). v07at34a003-v07at34a003.
-
San Andres, L., & Li, Y.
(2015).
EFFECT OF PAD FLEXIBILITY ON THE PERFORMANCE OF TILTING PAD JOURNAL BEARINGS - BENCHMARKING A PREDICTIVE MODEL. v07at31a011-v07at31a011.
-
San Andres, L., Rohmer, M., & Park, S.
(2015).
FAILURE OF A TEST RIG OPERATING WITH PRESSURIZED GAS BEARINGS: A LESSON ON HUMILITY. v07at30a001-v07at30a001.
-
San Andres, L., Jeung, S., & Bradley, G.
(2015).
FORCED COEFFICIENTS FORA SHORT LENGTH, OPEN-ENDS SQUEEZE FILM DAMPER WITH END GROOVES: EXPERIMENTS AND PREDICTIONS. v07at30a007-v07at30a007.
-
San Andres, L., & Jeung, S.
(2015).
ORBIT-MODEL FORCE COEFFICIENTS FOR FLUID FILM BEARINGS: A STEP BEYOND LINEARIZATION. v07at31a020-v07at31a020.
-
San Andres, L., & Norsworthy, J.
(2015).
STRUCTURAL AND ROTORDYNAMIC FORCE COEFFICIENTS OF A SHIMMED BUMP FOIL BEARING: AN ASSESSMENT OF A SIMPLE ENGINEERING PRACTICE. v07at31a023-v07at31a023.
-
Devitt, D., San Andres, L., & Jeung, S. H.
(2015).
Carbon-graphite gas bearings for turbomachinery. 218-222.
-
San Andrs, L., Jeung, S., & Bradley, G.
(2015).
Dynamic Forced Performance of Short Length Open-Ends Squeeze Film Damper with End Grooves. Mechanisms and Machine Science.
855-866.
-
San Andres, L., Jeung, S. H., Rohmer, M., & Devitt, A.
(2015).
Experimental assessment of drag and rotordynamic response for a porous type gas bearing. 293-302.
-
Andrs, L. S., & Norsworthy, J.
(2015).
Measurement of Drag Torque, Lift off Speed and Rotordynamic Force Coefficients in a Shimmed BFB. Mechanisms and Machine Science.
909-919.
-
San Andres, L., Qing Liu, S., & Lu, X.
(2015).
Measurements of leakage and force coefficients in a short length annular seal operating with a gas in oil mixture. 315-320.
-
San Andres, L., & Jeung, S.
(2015).
Response of an open ends squeeze film damper to large amplitude impact loads. 327-331.
-
Andres, L. S., & Anderson, A.
(2014).
AN ALL-METAL COMPLIANT SEAL VERSUS A LABYRINTH SEAL: A COMPARISON OF GAS LEAKAGE AT HIGH TEMPERATURES. v05ct16a014-v05ct16a014.
-
San Andres, L., Cable, T. A., Wygant, K., & Morton, A.
(2014).
ON THE PREDICTED PERFORMANCE OF OIL LUBRICATED THRUST COLLARS IN INTEGRALLY GEARED COMPRESSORS. v03bt25a016-v03bt25a016.
-
San Andrs, L., Ryu, K., & Diemer, P.
(2014).
Prediction of Gas Thrust Foil Bearing Performance for Oil-Free Automotive Turbochargers. v01bt24a013-v01bt24a013.
-
San Andres, L., Tao, Y., & Li, Y.
(2014).
TILTING PAD JOURNAL BEARINGS: ON BRIDGING THE HOT GAP BETWEEN EXPERIMENTAL RESULTS AND MODEL PREDICTIONS. v07bt32a010-v07bt32a010.
-
San Andres, L., Jeung, S., & Bradley, G.
(2014).
EXPERIMENTAL PERFORMANCE OF AN OPEN ENDS, CENTRALLY GROOVED, SQUEEZE FILM DAMPER OPERATING WITH LARGE AMPLITUDE ORBITAL MOTIONS. v07bt32a005-v07bt32a005.
-
San Andres, L.
(2013).
EXTENDED FINITE ELEMENT ANALYSIS OF JOURNAL BEARING DYNAMIC FORCED PERFORMANCE TO INCLUDE FLUID INERTIA FORCE COEFFICIENTS. 1033-1041.
-
San Andres, L., & Chirathadam, T. A.
(2013).
PERFORMANCE CHARACTERISTICS OF METAL MESH FOIL BEARINGS: PREDICTIONS VS. MEASUREMENTS. Journal of Engineering for Gas Turbines and Power.
122503.
-
San Andres, L., & Tao, Y.
(2013).
THE ROLE OF PIVOT STIFFNESS ON THE DYNAMIC FORCE COEFFICIENTS OF TILTING PAD JOURNAL BEARINGS. Journal of Engineering for Gas Turbines and Power.
112505.
-
San Andres, L., & Seshagiri, S.
(2013).
DAMPING AND INERTIA COEFFICIENTS FOR TWO END SEALED SQUEEZE FILM DAMPERS WITH A CENTRAL GROOVE: MEASUREMENTS AND PREDICTIONS. v07bt30a005-v07bt30a005.
-
Ryu, K., & Andres, L. S.
(2013).
ON THE FAILURE OF A GAS FOIL BEARING: HIGH TEMPERATURE OPERATION WITHOUT COOLING FLOW. v07at29a006-v07at29a006.
-
Ryu, K., & Andres, L. S.
(2012).
EFFECT OF COOLING FLOW ON THE OPERATION OF A HOT ROTOR-GAS FOIL BEARING SYSTEM. 497-+.
-
Andres, L. S., & Chirathadam, T. A.
(2012).
A METAL MESH FOIL BEARING AND A BUMP-TYPE FOIL BEARING: COMPARISON OF PERFORMANCE FOR TWO SIMILAR SIZE GAS BEARINGS. 859-+.
-
Andres, L. S.
(2012).
DAMPING AND INERTIA COEFFICIENTS FOR TWO OPEN ENDS SQUEEZE FILM DAMPERS WITH A CENTRAL GROOVE: MEASUREMENTS AND PREDICTIONS. 769-778.
-
Jauregui, J. C., Andres, L. S., & De Santiago, O.
(2012).
IDENTIFICATION OF BEARING STIFFNESS AND DAMPING COEFFICIENTS USING PHASE-PLANE DIAGRAMS. 731-+.
-
San Andres, L., Barbarie, V., Bhattacharya, A., & Gjika, K.
(2012).
ON THE EFFECT OF THERMAL ENERGY TRANSPORT TO THE PERFORMANCE OF (SEMI)FLOATING RING BEARING SYSTEMS FOR AUTOMOTIVE TURBOCHARGERS. 561-570.
-
San Andres, L., & Delgado, A.
(2012).
A Novel Bulk-Flow Model for Improved Predictions of Force Coefficients in Grooved Oil Seals Operating Eccentrically. 499-509.
-
San Andres, L., & Chirathadam, T. A.
(2012).
METAL MESH FOIL BEARING: EFFECT OF MOTION AMPLITUDE, ROTOR SPEED, STATIC LOAD, AND EXCITATION FREQUENCY ON FORCE COEFFICIENTS. 465-476.
-
San Andres, L., & Ryu, K.
(2012).
ON THE NONLINEAR DYNAMICS OF ROTOR-FOIL BEARING SYSTEMS: EFFECTS OF SHAFT ACCELERATION, MASS IMBALANCE AND BEARING MECHANICAL ENERGY DISSIPATION. 343-353.
-
De Santiago, O., & Andres, L. S.
(2012).
PARAMETRIC STUDY OF BUMP FOIL GAS BEARINGS FOR INDUSTRIAL APPLICATIONS. 445-456.
-
San Andres, L.
(2012).
ROTORYDNAMIC FORCE COEFFICIENTS OF BUBBLY MIXTURE ANNULAR PRESSURE SEALS. 477-486.
-
Howard, S. A., & San Andres, L.
(2010).
A NEW ANALYSIS TOOL ASSESSMENT FOR ROTORDYNAMIC MODELING OF GAS FOIL BEARINGS. 135-145.
-
San Andres, L., Ryu, K., & Niu, Y.
(2010).
DYNAMIC RESPONSE OF A ROTOR-HYBRID GAS BEARING SYSTEM DUE TO BASE INDUCED PERIODIC MOTIONS. 81-90.
-
Andres, L., Chirathadam, T. A., Ryu, K., & Kim, T. H.
(2010).
Measurements of Drag Torque, Lift-Off Journal Speed, and Temperature in a Metal Mesh Foil Bearing. Journal of Engineering for Gas Turbines and Power.
112503-1752.
-
Hung, W., Leon, J., & San Andres, L.
(2010).
Research Experiences For Undergraduates In Micromanufacturing. 15.1033.1-15.1033.10.
-
San Andres, L., & Chirathadam, T. A.
(2010).
IDENTIFICATION OF ROTORDYNAMIC FORCE COEFFICIENTS OF A METAL MESH FOIL BEARING USING IMPACT LOAD EXCITATIONS. 123-133.
-
Hung, W., Leon, J., & Andres, L. S.
(2010).
Research experiences for undergraduates in micromanufacturing. ASEE Annual Conference and Exposition, Conference Proceedings.
-
Andres, L. S., Kim, T. H., & Ryu, K.
(2010).
THERMAL MANAGEMENT AND ROTORDYNAMIC PERFORMANCE OF A HOT ROTOR-GAS FOIL BEARINGS SYSTEM. PART 1: MEASUREMENTS. 253-262.
-
Andres, L. S., Kim, T. H., & Ryu, K.
(2010).
THERMAL MANAGEMENT AND ROTORDYNAMIC PERFORMANCE OF A HOT ROTOR-GAS FOIL BEARINGS SYSTEM. PART 2: PREDICTIONS VERSUS TEST DATA. 263-271.
-
Andres, L. S., & Ryu, K.
(2010).
EXPERIMENTAL STRUCTURAL STIFFNESS AND DAMPING IN A 2(ND) GENERATION FOIL BEARING FOR INCREASING SHAFT TEMPERATURES. 209-211.
-
Kim, T. H., & San Andres, L.
(2010).
Thermohydrodynamic Model Predictions and Performance Measurements of Bump-Type Foil Bearing for Oil-Free Turboshaft Engines in Rotorcraft Propulsion Systems. Journal of Tribology.
011701-1731.
-
San Andrs, L., Ashton, Z., & Delgado, A.
(2009).
Comparison of leakage performance in three types of gas annular seals operating at a high temperature. 42-45.
-
San Andres, L., & Ryu, K.
(2009).
DYNAMIC FORCED RESPONSE OF A ROTOR-HYBRID GAS BEARING SYSTEM DUE TO INTERMITTENT SHOCKS. 689-698.
-
Kim, T. H., & Andres, L. S.
(2009).
Effect of Mechanical Preloads on the Dynamic Performance of Gas Foil Bearings. 379-381.
-
Delgado, A., & San Andres, L.
(2009).
IDENTIFICATION OF SQUEEZE FILM DAMPER FORCE COEFFICIENTS FROM MULTIPLE-FREQUENCY, NON-CIRCULAR JOURNAL MOTIONS. 669-678.
-
San Andres, L., Chirathadam, T. A., & Kim, T.
(2009).
MEASUREMENT OF STRUCTURAL STIFFNESS AND DAMPING COEFFICIENTS IN A METAL MESH FOIL BEARING. 763-771.
-
San Andres, L., Delgado, A., & Baker, J.
(2009).
ROTORDYNAMIC FORCE COEFFICIENTS OF A HYBRID BRUSH SEAL: MEASUREMENTS AND PREDICTIONS. 613-620.
-
San Andres, L., & Kim, T. H.
(2009).
THERMOHYDRODYNAMIC ANALYSIS OF BUMP TYPE GAS FOIL BEARINGS: A MODEL ANCHORED TO TEST DATA. 951-961.
-
San Andres, L., Gjika, K., Xia, S., & Maruyama, A.
(2009).
TURBOCHARGER NONLINEAR RESPONSE WITH ENGINE-INDUCED EXCITATIONS: PREDICTIONS AND TEST DATA. 637-647.
-
Andres, L. S., Kim, T. H., Ryu, K., Chirathadam, T. A., Hagen, K., Martinez, A., ... Johnson, M.
(2009).
GAS BEARING TECHNOLOGY FOR OIL-FREE MICROTURBOMACHINERY - RESEARCH EXPERIENCE FOR UNDERGRADUATE (REU) PROGRAM AT TEXAS A&M UNIVERSITY. 845-857.
-
Kim, T. H., Breedlove, A. W., & Andres, L. S.
(2008).
CHARACTERIZATION OF FOIL BEARING STRUCTURE FOR INCREASING SHAFT TEMPERATURES: PART I - STATIC LOAD PERFORMANCE. 671-678.
-
Kim, T. H., Andres, L. S., & Breedlove, A. W.
(2008).
CHARACTERIZATION OF FOIL BEARING STRUCTURE FOR INCREASING SHAFT TEMPERATURES: PART II - DYNAMIC FORCE PERFORMANCE. 689-695.
-
Kim, T. H., & Andres, L. S.
(2008).
EFFECT OF SIDE FEED PRESSURIZATION ON THE DYNAMIC PERFORMANCE OF GAS FOIL BEARINGS - A MODEL ANCHORED TO TEST DATA. 1079-1087.
-
Andres, L. S., & Kim, T. H.
(2008).
Effect of side feed pressurization on the dynamic performance of gas foil bearings. 981-983.
-
Andres, L. S., Baker, J., & Delgado, A.
(2008).
MEASUREMENTS OF LEAKAGE AND POWER LOSS IN A HYBRID BRUSH SEAL. 1453-1460.
-
Delgado, A., & Andres, L. S.
(2008).
NONLINEAR IDENTIFICATION OF MECHANICAL PARAMETERS IN A SQUEEZE FILM DAMPER WITH INTEGRAL MECHANICAL SEAL. 1059-1066.
-
Gjika, K., Groves, C., Andres, L. S., & Larue, G. D.
(2008).
Nonlinear dynamic behavior of turbocharger rotor-bearing systems with hydrodynamic oil film and squeeze film damper in series: Prediction and experiment. 1083-1092.
-
Andres, L. S., & Ryu, K.
(2008).
HYBRID GAS BEARINGS WITH CONTROLLED SUPPLY PRESSURE TO ELIMINATE ROTOR VIBRATIONS WHILE CROSSING SYSTEM CRITICAL SPEEDS. 641-649.
-
Delgado, A., & Andres, L. S.
(2007).
Identification of structural stiffness and damping coefficients of a shoed-brush seal. Journal of Vibration and Acoustics: Transactions of the ASME.
648-655.
-
Andres, L. S., & Delgado, A.
(2007).
Identification of force coefficients in a squeeze film damper with a mechanical end seal - Centered circular orbit tests. Journal of Tribology.
660-668.
-
San Andres, L., & Kim, T.
(2007).
Issues on Instability and Force Nonlinearity in Gas Foil Bearing Supported Rotors. 996-1010.
-
San Andres, L.
(2007).
Start-up Response of Fluid Film Lubricated Cryogenic Turbo-Pumps. 984-995.
-
Andres, L. S., & Ryu, K.
(2007).
Flexure pivot tilting pad hybrid gas bearings: Operation with worn clearances and two load-pad configurations. 759-769.
-
Andres, L. S., & Delgado, A.
(2007).
Identification of force coefficients in a squeeze film damper with a mechanical end seal-centered circular orbit tests. 833-841.
-
Andres, L. S., & Kim, T. H.
(2007).
Improvements to the analysis of gas foil bearings: Integration of top foil 1D and 2d structural models. 779-789.
-
San Andres, L.
(2006).
Hybrid flexure pivot-tilting pad gas bearings: Analysis and experimental validation. Journal of Tribology.
551-558.
-
San Andres, L., Gjilka, K., LaRue, G., Rivadeneira, J. C., & Groves, C.
(2006).
A virtual tool for prediction of turbocharger nonlinear dynamic response: Validation against test data. 1313-1321.
-
San Andres, L., & Delgado, A.
(2006).
Identification of force coefficients in a squeeze film damper with a mechanical seal. Part I - Unidirectional load tests. 1285-1293.
-
San Andres, L.
(2006).
Hybrid Flexure Pivot-Tilting Pad Gas Bearings: Analysis and Experimental Validation. 1221-1230.
-
San Andres, L., & Delgado, A.
(2006).
Identification of Force Coefficients in a Squeeze Film Damper With a Mechanical End Seal: Centered Circular Orbit Tests. 309-318.
-
San Andres, L., Rubio, D., & Kim, T. H.
(2006).
Rotordynamic performance of a rotor supported on bump type foil gas bearings: Experiments and predictions. 1407-1415.
-
San Andres, L., Rivadeneira, J. C., Groves, C., Gjika, K., & LaRue, G.
(2006).
Rotordynamics of Small Turbochargers Supported on Floating Ring Bearings: Highlights in Bearing Analysis and Experimental Validation. 1213-1220.
-
San Andres, L., Rivadeneira, J. C., Gjika, K., Chinta, M., & LaRue, G.
(2005).
Advances in Nonlinear Rotordynamics of Passenger Vehicle Turbochargers: A Virtual Laboratory Anchored to Test Data. 891-892.
-
Kim, T. H., & San Andres, L.
(2005).
Analysis of Gas Foil Bearings With Piecewise Linear Elastic Supports. 69-70.
-
San Andres, L., & Kim, T. H.
(2005).
Gas Foil Bearings: Limits for High-Speed Operation. 71-72.
-
Kim, T. H., & San Andres, L.
(2005).
Heavily loaded gas foil bearings: A model anchored to test data. 763-771.
-
San Andres, L., & De Santiago, O.
(2005).
Identification of Bearing Force Coefficients in Flexible Rotors: Extensions to a Field Method. 47-48.
-
Delgado, A., & Andres, L. S.
(2005).
Identification of structural stiffness and damping coefficients of a shoed brush seal. 959-966.
-
Andres, L. S., Rivadeneira, J. C., Chinta, M., Gjika, K., & LaRue, G.
(2005).
Nonlinear rotordynamics of automotive turbochargers - Predictions and comparisons to test data. 671-678.
-
Rubio, D., & San Andres, L.
(2005).
Structural stiffness, dry-friction coefficient and equivalent viscous damping in a bump-type foil gas bearing. 737-746.
-
Pan, C., & San Andres, L.
(2005).
The Narrow Groove Analysis Revisited. 121-122.
-
Zhu, X., & San Andres, L.
(2005).
Experimental response of a rotor supported on Rayleigh step gas bearings. 715-724.
-
Andrs, L. S., & De Santiago, O. C.
(2004).
Identification of journal bearing force coefficients under high dynamic loading -part I: Concentric static operation. 689-696.
-
Delgado, A., San Andres, L., & Justak, J. F.
(2004).
Analysis of Performance and Rotordynamic Force Coefficients of Brush Seals With Reverse Rotation Ability. 681-689.
-
Rubio, D., & San Andres, L.
(2004).
Bump-Type Foil Bearing Structural Stiffness: Experiments and Predictions. 671-679.
-
Wilde, D. A., San Andres, L., & Aguirrezabala, J.
(2004).
Experimental Lift Off Characteristics and the Effect of a Low Friction Coating on the Startup Response of Simple Gas Hybrid Bearings for Oil-Free Turbomachinery. 769-778.
-
San Andres, L., & De Santiago, O. C.
(2004).
Identification of Bearing Force Coefficients From Measurements of Imbalance Response of a Flexible Rotor. 843-850.
-
Zhu, X., & San Andres, L.
(2004).
Rotordynamic Performance of Flexure Pivot Hydrostatic Gas Bearings for Oil-Free Turbomachinery. 691-699.
-
Wilde, D. A., & San Andres, L.
(2003).
Comparison of Rotordynamic Analysis Predictions With the Test Response of Simple Gas Hybrid Bearings for Oil Free Turbomachinery. 619-632.
-
Wilde, D. A., & San Andres, L.
(2003).
Experimental Response of Simple Gas Hybrid Bearings for Oil-Free Turbomachinery. 607-617.
-
De Santiago, O. C., & San Andres, L.
(2003).
Field Methods for Identification of Bearing Support Parameters: Part I Identification From Transient Rotor Dynamic Response Due to Impacts. 509-517.
-
De Santiago, O. C., & San Andres, L.
(2003).
Field Methods for Identification of Bearing Support Parameters: Part II Identification From Rotor Dynamic Response Due to Imbalances. 519-526.
-
Holt, C., San Andres, L., Sahay, S., Tang, P., La Rue, G., & Gjika, K.
(2003).
Test Response of a Turbocharger Supported on Floating Ring Bearings: Part I Assessment of Subsynchronous Motions. 969-974.
-
Holt, C., San Andres, L., Sahay, S., Tang, P., La Rue, G., & Gjika, K.
(2003).
Test Response of a Turbocharger Supported on Floating Ring Bearings: Part II Comparisons to Nonlinear Rotordynamic Predictions. 975-980.
-
Soulas, T., & San Andres, L.
(2002).
A Bulk Flow Model for Off-Centered Honeycomb Gas Seals. 543-552.
-
San Andres, L., Soulas, T., Challier, F., & Fayolle, P.
(2002).
A Bulk-Flow Model of Angled Injection Lomakin Bearings. 553-562.
-
San Andres, L., & De Santiago, O. C.
(2002).
Dynamic Response of Squeeze Film Dampers Operating With Bubbly Mixtures. 819-826.
-
San Andrs, L., & De Santiago, O.
(2001).
Imbalance Response of a Rotor Supported on Flexure Pivot Tilting Pad Journal Bearings in Series With Integral Squeeze Film Dampers. v004t03a023-v004t03a023.
-
Faria, M., & Andres, L. S.
(2000).
On the numerical modeling of high-speed hydrodynamic gas bearings. Journal of Tribology.
124-130.
-
Tao, L. Y., Diaz, S., San Andres, L., & Rajagopal, K. R.
(2000).
Analysis of squeeze film dampers operating with bubbly lubricants. Journal of Tribology.
205-210.
-
Andres, L. S.
(2000).
Bulk-flow analysis of hybrid thrust bearings for process fluid applications. Journal of Tribology.
170-180.
-
Li, J. M., Aguilar, R., San Andres, L., & Vance, J. M.
(2000).
Dynamic force coefficients of a multiple-blade, multiple-pocket gas damper seal: Test results and predictions. Journal of Tribology.
317-322.
-
Diaz, S. E., & San Andrs, L. A.
(1999).
Air Entrainment vs. Lubricant Vaporization in Squeeze Film Dampers: An Experimental Assessment of Their Fundamental Differences. v004t03a020-v004t03a020.
-
Vance, J. M., & San Andrs, L. A.
(1999).
Analysis of Actively Controlled Coulomb Damping for Rotating Machinery. v004t03a014-v004t03a014.
-
De Santiago, O. C., & San Andrs, L. A.
(1999).
Imbalance Response and Damping Force Coefficients of a Rotor Supported on End Sealed Integral Squeeze Film Dampers. v004t03a023-v004t03a023.
-
Li, J., Ransom, D., San Andres, L., & Vance, J.
(1998).
Comparison of predictions with test results for rotordynamic coefficients of a four-pocket gas damper seal. American Society of Mechanical Engineers (Paper).
1-7.
-
Ransom, D., Li, J., San Andres, L., & Vance, J.
(1998).
Experimental force coefficients for a two-bladed labyrinth seal and a four-pocket damper seal. American Society of Mechanical Engineers (Paper).
1-7.
-
Li, J., San Andrs, L., & Vance, J.
(1998).
A Bulk-Flow Analysis of Multiple-Pocket Gas Damper Seals. American Society of Mechanical Engineers (Paper).
v005t14a004-v005t14a004.
-
de Santiago, O., San Andrs, L., & Oliveras, J.
(1998).
Imbalance Response of a Rotor Supported on Open-Ends Integral Squeeze Film Dampers. American Society of Mechanical Engineers (Paper).
v005t14a002-v005t14a002.
-
Diaz, S. E., & San Andrs, L. A.
(1998).
Reduction of the Dynamic Load Capacity in a Squeeze Film Damper Operating With a Bubbly Lubricant
-
Diaz, S. E., & San Andrs, L. A.
(1998).
Reduction of the Dynamic Load Capacity in a Squeeze Film Damper Operating With a Bubbly Lubricant. American Society of Mechanical Engineers (Paper).
v005t14a015-v005t14a015.
-
San Andres, L., & Lubell, D.
(1998).
Imbalance response of a test rotor supported on squeeze film dampers. Journal of Engineering for Gas Turbines and Power.
397-404.
-
Arauz, G. L., & San Andres, L.
(1997).
Analysis of two-phase flow in cryogenic damper seals - Part I: Theoretical model. American Society of Mechanical Engineers (Paper).
-
Arauz, G. L., & San Andres, L.
(1997).
Analysis of two-phase flow in cryogenic damper seals - Part II: Model validation and predictions. American Society of Mechanical Engineers (Paper).
-
Zirkelback, N., & San Andres, L.
(1997).
Finite element analysis of herringbone groove journal bearings: A parametric study. American Society of Mechanical Engineers (Paper).
-
Diaz, S. E., & Andres, L.
(1997).
Measurements of pressure in a squeeze film damper with an air/oil bubbly mixture. 81-87.
-
SanAndres, L., & Jackson, M. C.
(1997).
Measurements of the static load (on pad) performance and pad temperatures in a flexure-pivot tilting-pad bearing. 71-78.
-
SanAndres, L., & Childs, D.
(1997).
Angled injection - Hydrostatic bearings analysis and comparison to test results. Journal of Tribology.
179-187.
-
Andres, L. S., & Childs, D.
(1997).
Angled injection - turbulent flow hybrid bearings comparison to test results. NASA Conference Publication.
29-46.
-
Marquette, O. R., Childs, D. W., & San Andres, L.
(1996).
Eccentricity effects on the rotordynamic coefficients of plain annular seals: Theory versus experiment. American Society of Mechanical Engineers (Paper).
-
Walton, N. V., & San Andres, L.
(1996).
Measurements of static loading versus eccentricity in a flexure-pivot tilting pad journal bearing. American Society of Mechanical Engineers (Paper).
-
SanAndres, L. A.
(1996).
Theoretical and experimental comparisons for damping coefficients of a short-length open end squeeze film damper. Journal of Engineering for Gas Turbines and Power.
810-815.
-
Zirkelback, N., & SanAndres, L.
(1996).
Bulk-flow model for the transition to turbulence regime in annular pressure seals. 373-380.
-
SanAndres, L.
(1996).
Transient response of externally pressurized fluid film bearings. 53-61.
-
San Andres, L.
(1996).
Thermohydrodynamic analysis of cryogenic liquid turbulent flow fluid film bearings. NASA Conference Publication.
191-207.
-
SanAndres, L.
(1996).
Turbulent flow, flexure-pivot hybrid bearings for cryogenic applications. Journal of Tribology.
190-200.
-
Arauz, G. L., & San Andres, L.
(1995).
Experimental study on the effect of a circumferential feeding groove on the dynamic force response of a sealed squeeze film damper. American Society of Mechanical Engineers (Paper).
-
Robison, L. M., Arauz, G., & San Andres, L.
(1995).
A Test Rig for the Identification of Rotordynamic Coefficients of Fluid Film Bearing Elements
-
Robison, L. M., Arauz, G., & San Andres, L.
(1995).
A Test Rig for the Identification of Rotordynamic Coefficients of Fluid Film Bearing Elements. American Society of Mechanical Engineers (Paper).
v005t14a037-v005t14a037.
-
San Andres, L. A.
(1995).
Theoretical and Experimental Comparisons for Damping Coefficients of a Short Length Open-End Squeeze Film Damper
-
San Andres, L. A.
(1995).
Theoretical and Experimental Comparisons for Damping Coefficients of a Short Length Open-End Squeeze Film Damper. American Society of Mechanical Engineers (Paper).
v005t14a003-v005t14a003.
-
FRANCHEK, N. M., CHILDS, D. W., & ANDRES, L. S.
(1995).
THEORETICAL AND EXPERIMENTAL COMPARISONS FOR ROTORDYNAMIC COEFFICIENTS OF A HIGH-SPEED, HIGH-PRESSURE, ORIFICE-COMPENSATED HYBRID BEARING. Journal of Tribology.
285-290.
-
Yang, Z., San Andres, L., & Childs, D. W.
(1992).
Thermal effects in cryogenic liquid annular seals. Part I. Theory and approximate solution. American Society of Mechanical Engineers (Paper).
1-10.
-
San Andres, L., Yang, Z., & Childs, D. W.
(1992).
Thermal effects in cryogenic liquid annular seals. Part II. Numerical solution and results. American Society of Mechanical Engineers (Paper).
1-8.
-
SANANDRES, L. A., ROGERS, R. J., & HU, Y.
(1992).
ANALYSIS OF SHORT SQUEEZE FILM DAMPERS WITH A CENTRAL GROOVE. Journal of Tribology.
659-665.
-
SANANDRES, L. A.
(1992).
ANALYSIS OF TURBULENT HYDROSTATIC BEARINGS WITH A BAROTROPIC CRYOGENIC FLUID. Journal of Tribology.
755-765.
-
SCHARRER, J., HIBBS, R., & SAN ANDRES, L.
(1992).
The asymmetrically stepped, orifice compensated hydrostatic bearing
-
San Andres, L. A.
(1991).
Analysis of short squeeze film dampers with a central groove. American Society of Mechanical Engineers (Paper).
1-6.
-
San Andres, L.
(1991).
Analysis of turbulent hydrostatic bearings with a barotropic cryogenic fluid. American Society of Mechanical Engineers (Paper).
1-10.
-
Kurtin, K. A., Childs, D., San Andres, L., & Hale, K.
(1991).
Experimental versus theoretical characteristics of a high-speed hybrid (combination hydrostatic and hydrodynamic) bearing. American Society of Mechanical Engineers (Paper).
1-9.
-
Vance, J. M., Cardon, B. P., San Andres, L. A., & Storace, A. F.
(1991).
A Gas Operated Bearing Damper for Turbomachinery. American Society of Mechanical Engineers (Paper).
v005t14a041-v005t14a041.
-
San Andres, L. A., Meng, G., & Yoon, S.
(1991).
Dynamic Force Response of an Open Ended Squeeze Film Damper. American Society of Mechanical Engineers (Paper).
v005t14a039-v005t14a039.
-
San Andres, L. A.
(1990).
Turbulent hybrid bearings with fluid inertia effects. American Society of Mechanical Engineers (Paper).
-
ANDRES, L. S.
(1990).
APPROXIMATE ANALYSIS OF TURBULENT HYBRID BEARINGS - STATIC AND DYNAMIC PERFORMANCE FOR CENTERED OPERATION. Journal of Tribology.
692-698.
-
San Andres, L. A., & Vance, J. M.
(1986).
EFFECT OF FLUID INERTIA ON SQUEEZE-FILM DAMPER FORCES FOR SMALL-AMPLITUDE CIRCULAR-CENTERED MOTIONS
-
San Andres, L. A., & Vance, J. M.
(1986).
EXPERIMENTAL MEASUREMENT OF THE DYNAMIC PRESSURE DISTRIBUTION IN A SQUEEZE-FILM BEARING DAMPER EXECUTING CIRCULAR-CENTERED ORBIT
-
San Andres, L. A., & Vance, J. M.
(1986).
FORCE COEFFICIENTS FOR OPEN-ENDED SQUEEZE-FILM DAMPERS EXECUTING SMALL-AMPLITUDE MOTIONS ABOUT AN OFF-CENTER EQUILIBRIUM POSITION
-
San Andres, L., & Vance, J. M.
(1985).
EFFECTS OF FLUID INERTIA AND TURBULENCE ON THE FORCE COEFFICIENTS FOR SQUEEZE FILM DAMPERS. American Society of Mechanical Engineers (Paper).
-
San Andres, L., & Vance, J. M.
(1984).
EFFECTS OF FLUID INERTIA AND TURBULENCE ON FORCE COEFFICIENTS FOR SQUEEZE FILM DAMPERS. NASA Conference Publication.
365-390.
-
Koo, B., & San Andrs, L.
(2022).
A Model and Experimental Validation for a Piston Rings - Squeeze Film Damper: A Step Toward Quantifying Air Ingestion
-
patent
-
Lu, X., Yang, J., & Sanandres, L.
(2018).
Rotary Seal Assembly
-
Mohamed, Z., & San Andres, L.
(1996).
Foil bearing
-
San Andres, L.
(1995).
Two pad axially grooved hydrostatic bearing
-
Vance, J., & San Andres, L.
(1991).
Aircraft engine rotor squeeze film damper
-
Lu, X., Yang, J., & Sanandres, L.
(2018).
Rotary Seal Assembly
Teaching
teaching activities
- MEEN363 Dynamics And Vibrations Instructor
- MEEN459 Sound & Vibration Measur Instructor
- MEEN485 Directed Studies Instructor
- MEEN491 Hnr-research Instructor
- MEEN613 Engineering Dynamics Instructor
- MEEN617 Mechanical Vibration Instructor
- MEEN626 Lubrication Theory Instructor
- MEEN659 Sound & Vibration Measurement Instructor
- MEEN684 Professional Internship Instructor
- MEEN684 Professional Internship Instructor
- MEEN685 Directed Studies Instructor
- MEEN691 Research Instructor
Background
education and training
- Ph.D. in Mechanical Engineering, Texas A&M University - (College Station, Texas, United States) 1985
- M.S. in Mechanical Engineering, University of Pittsburgh - (Pittsburgh, Pennsylvania, United States) 1982
- B.S. in Mechanical Engineering, Escuela Politecnica Javeriana del Ecuador - (Quito, Ecuador) 1981
awards and honors
- Mayo D Hersey Award, conferred by American Society of Mechanical Engineers - (New York, New York, United States), 2023
- Fellow, conferred by Society of Tribologists and Lubrication Engineers - (Park Ridge, Illinois, United States), 2005
- Mast-Childs Professorship in Tribology, conferred by Texas A&M University - (College Station, Texas, United States), 2005
- Dwight Look College of Engineering Faculty Fellow, conferred by Texas A&M University - (College Station, Texas, United States), 2005
- Dresser Industries Professorship, conferred by Texas A&M University - (College Station, Texas, United States), 1999
- Outstanding Graduate Teaching Award, conferred by Texas A&M University - (College Station, Texas, United States), 1998
- The Plank Co. Faculty Fellow, conferred by Texas A&M University - (College Station, Texas, United States), 1997
- TEES Senior Fellow, conferred by Texas A&M University - (College Station, Texas, United States), 1996
- Ralph R. Teetor Educational Award, conferred by Society of Automotive Engineers International - (Troy, Michigan, United States), 1995
- TEES Research Fellow, conferred by Texas A&M University - (College Station, Texas, United States), 1993
- Latin-American Applied Science Award, conferred by Organization of American States - (Washington D.C., District of Columbia, United States), 1989
Contact
first name
- Luis
has last name
- San Andres
mailing address
-
Texas A&M University
Mechanical Engineering
3123 TAMU
College Station, TX 77843-3123
USA
Other
- lsanandres@tamu.edu