Research
Progress Reports to the Turbomachinery Research Consortium (TRC) 1992-2022
Topics
Squeeze film dampers
Hydrostatic Bearings
Annular Seals Hybrid Brush Seals
Liquid Journal
& Thrust Bearings Models and Experiments
Gas Journal & Thrust
Bearings Bump foil, metal mesh, porous surface, tilting pad, etc.
TRC-SFD-01-22 Measurements of the Dynamic Forced Response of an O-rings
Sealed Squeeze Film Damper Supplied with a Low Supply Pressure, Rodriguez,
B., and San Andrés, L., 2022
TRC-SFD-01-20 EXPERIMENTS AND MODELS FOR OPERATION OF A
SEALED ENDS SQUEEZE FILM DAMPER: A STEP TOWARD QUANTIFYING AIR INGESTION IN
SQUEEZE FILMS, Koo ,B., and San
Andrés, L., 2020
TRC-SFD-02-20 Experimental force Coefficients in
a sealed Ends SFD supplied with Lubricant through a Check Valve, Rodriguez,
B., and San Andrés, L., 2020
TRC-SFD-01-19 Experimental Identification of Force Coefficients in an Integral
Squeeze Film Damper and Predictive Model Validation, Lu, X, San Andrés,
L., Koo, B., and Tran, S., 2019
TRC-SFD-01-17 Effect of Lubricant
Supply Pressure on SFD Performance: Ends Sealed with O-rings and Piston Rings, San Andrés, L.,
Koo, B., and L. Yu, 2017
TRC-SFD-01-16 Experimental Response of an Open
Ends SFD Versus a Sealed Ends SFD, Jeung, S-H., and San Andrés, L., 2016
TRC-SFD-01-15 Response of an Open Ends Squeeze Film Damper to
Intermittent Impact Loads, Jeung, S-H., and San Andrés, L., 2015
TRC-SFD-01-14 Response of an Open Ends Squeeze Film Damper to
Large Amplitude Impact Loads,
Jeung, S-H., and San Andrés, L., 2014
TRC-SFD-01-13 On the Forced Performance of a Squeeze Film Damper
Operating with Large Amplitude Orbital Motions: Measurements and Assessment of
the Accuracy of the Linearized Force Coefficients
TRC-SFD-01-12, Force Coefficients for a Large Clearance
Open Ends SFD with a Central Feed Groove: Test Results and Predictions, San Andrés, L., 2012
TRC-SFD-1-08, Dynamic Performance of a Squeeze Film
Damper with Non-Circular Motions: Multi-Frequency Excitations Reproducing
Multi-Spool Engine Operating Conditions, Delgado, A., and San Andrés, L., 2008
TRC-Seal-1-08, A Novel FE
Lubrication Model for Improved Predictions of Force Coefficients in
Off-Centered Grooved Oil Seals. Delgado, A., and San Andrés, L., 2008
TRC-SFD-1-07, San Andrés, L., and. A. Delgado, 2007, “Parameter Identification of an End Sealed
SFD: Identification of Force Coefficients and Operating Conditions Leading to
Air Ingestion”.
TRC-SFD-2-07, San Andrés, L., and. A. Delgado, 2007, “Parameter Identification of an End
Sealed SFD: Improved Predictions of Added Mass and Damping Coefficients for
Grooved SFDs and Oil Seals”.
TRC-SFD-1-06 , San Andrés, L., and Delgado, A., 2006, "Squeeze Film Damper with Mechanical Seal: Identification of Force
Coefficients from Circular Centered Orbit Tests”.
TRC-SFD-1-05, Delgado, A., and L. San Andrés, 2005, "Identification of Force Coefficients in a
Squeeze Film Damper with a Mechanical Seal".
TRC-SFD-1-04, Delgado, A., and L. San Andrés, 2004, “Experimental Force Coefficients for
a Sealed Squeeze Film Damper – Test Rig Development”.
TRC-B&C-3-03, San
Andrés, L., 2003, “Journal Bearing Force Coefficients under High Dynamic
Loading – Experimental Results”.
TRC-SFD-1-02, San Andrés, L., 2002, “Response of a Squeeze Film Damper Under
High Dynamic Loading and Identification of Damping and Inertia Coefficients”.
TRC-SFD-1-01, San Andrés, L., 2001, “Flow Visualization and Forces from a Squeeze Film
Damper Operating with Natural Air Entrainment”.
TRC-SFD-1-00, San Andrés, L., and O. de Santiago, 2000, “Measurements of the Imbalance Response in a Rotor Supported
on Tilting Pad Bearings and Integral Squeeze Film Dampers”.
TRC-SFD-2-00, Beets, T., S. Diaz, and L.San
Andrés, 2000, “Pressure
Measurements and Flow Visualization on a SFD Operating with a Bubbly
Mixture".
TRC-SFD-3-00, Rodriguez, L., S. Diaz, and L. San Andrés, 2000, “Sine Sweep Load Versus Impact
Excitations and their Influence on the Identification of Damping in a Bubbly
Oil Squeeze Film Damper”.
TRC-SFD-1-99, De Santiago, O., and L. San Andrés, 1999,
"Design of a Series Tilting Pad Bearing and Squeeze Film Damper for
NSF-TRC Rotordynamics Test Rig and Analysis for Optimum Damping at Bearing
Supports".
TRC-SFD-2-99, Diaz, S., and L. San Andrés, 1999,
“An Engineering Model for Prediction of Forces in SFDs and Experimental
Validation for Operation with Air Entrainment"
TRC-SFD-1-98, De Santiago, O., and L. San Andrés, 1998,
"Imbalance Response of a Rotor Supported on Sealed Integral Dampers".
TRC-SFD-2-98, Tao, L., S.
Diaz, L. San Andrés and K.R. Rajagopal, 1998,
"Flow Analysis of Squeeze Film Dampers Operating with Bubbly
Lubricants".
TRC-SFD-2-97, De Santiago, O., J. Oliveras,
and L. San Andrés, 1997, "Imbalance Response of a Rotor
Supported on Integral Squeeze Film Dampers".
TRC-SFD-1-97, Diaz, S. and L. San Andrés, 1997,
"Forced Response of a Squeeze Film Damper Operating with a Bubbly
(Air/Oil) Mixture".
TRC-SFD-2-96, San Andrés, and D. Lubell, D., 1996,
"Unbalance Response of a Test Rotor Supported on Squeeze Film
Dampers".
TRC-SFD-1-96, Diaz, S., 1996, "Measurements of Pressure in a Squeeze Film Damper with a
Bubbly Mixture".
TRC-RD-4-95, San Andrés, L., and D. Lubell, 1995,
"Overview of NSF-TRC Squeeze Film Damper Research Project, Year I".
TRC-RD-5-95, Laos, H., and L. San Andrés, 1995,
"Measurement of Unbalance Response in a SFD Test Rotor Kit, (Part
II)".
TRC-SFD-1-95, Lopez, A., and L. San
Andrés, 1995, "Test Results for an Open-End Squeeze Film Damper with a
High Viscosity".
TRC-B&C-4-95, Robison, M., Walton N., and L. San Andrés, 1995,
"Experimental Force Coefficients for a Short Length Squeeze Film Damper,
Experimental Force Coefficients for several a Plain Journal Bearing,
Preliminary Tests for a Flexure-Pivot, Tilting Pad Journal Bearing".
TRC-SFD-4-94, San Andrés, L., Laos,
H., and A. Lopez, 1994,
"Measurement of Unbalance Response in a SFD-Rotor Kit - Centered
Journal".
TRC-SFD-2-91, San Andrés, L., 1991, “Dynamic Force
Response of an Open Ended Squeeze Film Damper," (#119)
TRC-SFD-3-91, San Andrés, L., "1991, Analysis
of Short Squeeze Film Dampers with a Central Groove," (#120)
TRC-SFD-5-91, Meng, J., San Andrés, L.
and Vance, J., 1991, “Experimental Investigation of the Dynamic Pressure and Force
Response of a Partially Sealed Squeeze Film Damper," (#122).
TRC-SFD-6-91, Vance, J., San Andrés, L. and Arauz,
G., 1991, "Effect of Inlet Holes on the Pressure Field of a
Squeeze Film Damper," (#123).
TRC-SFD-3-90 San Andrés, L., 1990,
"Experimental Results for Variable Speed TRC Squeeze Film Damper Test
Rig," (#117).
Annular Seals – gas, liquid
and gas/liquid
TRC-Seal-01-22 Torres,
J., and San Andrés, L., “Leakage and Rotordynamic
Force Coefficients of a Pocket Damper Seal and Labyrinth Seal Operating with Wet
Gas”
TRC-Seal-01-21 Torres, J., and San Andrés, L., “Leakage and Dynamic
Force Coefficients for a Stepped Labyrinth Seal and a Stepped Pocket
Damper Seal Supplied with Wet Gas”
TRC-Seal-01-20 Wu,
T., and San Andrés, L.,”A
COMPUTATIONAL FLUID DYNAMICS MODIFIED FRICTION FACTOR AND LEAKAGE MODEL FOR AN
IMPROVED BULK-FLOW ANALYSIS OF LABYRINTH GAS SEALS”
TRC-Seal-02-20 Lu, X., and San Andrés,
L., “A NONHOMOGENEOUS BULK FLOW MODEL FOR
PREDICTION OF THE STATIC AND DYNAMIC FORCED PERFORMANCE OF TWO PHASE FLOW
ANNULAR SEALS”
TRC-Seal-03-20 Yang, J., and San
Andrés, L., “A Simple
Two-Phase Flow Model for prediction of leakage in Wet Gas labyrinth seals
and Pocket Damper Seals”
TRC-Seal-04-20 Yang, J., and San
Andrés, L., “MAKING
BETTER SWIRL BRAKES USING CFD:
PERFORMANCE ASSESSMENT AND GEOMETRY OPTIMIZATION”
TRC-Seal-01-19 Wu, T., and San Andrés, L., “IMPROVED
PREDICTION OF LEAKAGE IN GAS LABYRINTH SEALS USING AN UPDATED KINETIC ENERGY
CARRY-OVER COEFFICIENT”
TRC-Seal-02-19 Yang, J., San Andrés, L., and Lu, X., “On the Leakage and Dynamic force
coefficients of a Novel Stepped Shaft Pocket Damper Seal: Experimental Results
and CFD Model verification”
TRC-SEAL-01-18 Lu, X., and San Andrés, L., “EXPERIMENTAL
LEAKAGE AND DYNAMIC FORCED PERFORMANCE OF A GROOVED WET (BUBBLY) LIQUID
SEAL”
TRC-SEAL-02-18 Wu,
T., and San Andrés, L., “GAS
LABYRINTH SEALS: ON THE EFFECT OF GEOMETRY AND OPERATING CONDITIONS ON FLOW
FRICTION FACTORS – A CFD INVESTIGATION”
TRC-SEAL-03-18 Yang,
J, and San Andrés, L., “A
CFD MODEL FOR PREDICTION OF LEAKAGE AND DYNAMIC FORCE COEFFICIENTS IN POCKET
DAMPER SEALS: FROM GAS TO A WET GAS”
TRC-Seal-01-17 San Andrés, L., and Lu,
X., “Leakage and Rotordynamic Force Coefficients of a Three-wave (Air in Oil)
Wet Annular Seal: Measurements and
Predictions”
TRC-Seal-02-17 San Andrés, L., and Wu,
T., “An Improved Bulk-flow Analysis for Interlocking Labyrinth Gas Seals:
Leakage and Force Coefficients”
TRC-Seal-01-16 San Andrés L., and
Lu, X., “Leakage and Rotordynamic Force Coefficients in an (Air in Oil) Wet Seal:
Influence of Shaft Speed”
TRC-Seal-01-15 Liu, Q., Lu, X., and San Andrés, L., “Measurement of
Leakage and Estimation of Force Coefficients in a Short Length Annular Seal
Supplied with a Liquid/Gas Mixture (Stationary Journal)”
TRC-Seal-02-15 Wu, T., and San
Andrés, L., “Issues and Considerations for the Accurate Modeling of Long,
Grooved Annular Seals for Pumps”
TRC-Seal-01-14 San Andrés, L. and Liu,
Q., “Flow Rates in a Short Length Wet (Bubbly) Seal and Test Rig Re-Design”
TRC-SEAL-01-13 San Andrés, L., and Anderson, A., “Gas Seal Leakage at High Temperature: a
Labyrinth Seal and an All-Metal Compliant Seal of Similar Clearances”
TRC-SEAL-02-13 San Andrés, L., and Shan, W., “Predictions
vs. Test Results for Leakage and Rotordynamic Force Coefficients of a Fully
Partitioned Pocket Damper Seals and a Labyrinth Seal – Limitations of the
Current Computational Model”
TRC-SEAL-02-11 San Andrés, L., “Comparison of Leakage between a Labyrinth Seal and an
All-Metal Compliant Gas Seal at High Temperature”
TRC-Seal-1-08 Delgado, A., and San Andrés, L., “A Novel FE Lubrication Model for Improved Predictions
of Force Coefficients in Off-Centered Grooved Oil Seals”
TRC-SEAL-3-05 Delgado, A., and L. San Andrés, “Identification of Structural Stiffness and
Damping in a Shoed Brush Seal”
TRC-SEAL-3-00 San Andrés, L., and R. Aguilar, “Leakage
and Dynamic Response of a Hybrid Brush Seal-Gas Damper Seal”
TRC-SEAL-7-98 Zirkelback, N., and L. San Andrés, “Computational Analysis of Spiral Groove Thrust Bearings
and Face Seals”
TRC-Seal-8-98 Ransom, D., and L. San Andrés, “Identification of Dynamic Force
Coefficients of a Labyrinth and Gas Damper Seals Using Impact Load
Excitations”.
TRC-Seal-9-98 Li, J., and L. San Andrés, “A Bulk-Flow Model of Multiple Blade,
Multiple Pocket Gas Damper Seals”
TRC-Seal-4-97 Ransom, D., and L. San Andrés, “Identification of Force Coefficients from
a Gas Annular Seal, Effect of Transition Regime to Turbulence”
TRC-SEAL-7-97 Zirkelback, N., and L. San Andrés, “Computational Analysis of Compressible Fluid Spiral
Groove Face Seals”
TL-SEAL-2-97 Li, J., L. San Andrés, and J.
Vance, “A Bulk-Flow
Analysis of a Novel Gas Damper Seal”
TRC-SEAL-3-95 Zirkelback, N., and L. San
Andrés, "Annular
Seal Bulk-Flow Model for the Transition to Turbulence Regime: Numerical
Predictions”
TRC-SEAL-2-90 San Andrés, L., "Analysis of High Pressure Oil Seals”
TRC-SEAL-01-13, “Gas Seal Leakage at High
Temperature: a Labyrinth Seal and an All-Metal Compliant Seal of Similar
Clearances.”
TRC-SEAL-02-11, “Comparison of Leakage between a Labyrinth
Seal and an All-Metal Compliant Gas Seal at High Temperature.”
Hydrostatic Bearings
TRC-B&C-04-17 San Andrés, L., Wilkinson, S., and Haq,
S., 2017, “Measurement of a
Rotor (Dynamic) Axial Response in a Test Rig with
Water Lubricated Hydrostatic Thrust Bearings,” (draft)
TRC-B&C-03-16 San Andrés, L., Rohmer,
M., Wilkinson, S., and Jani, H., 2016, “Measurement of Static Load Performance of a Water Lubricated
Thrust Bearing,”
TRC-B&C-02-15 Rohmer, M., Wilkinson, S., and San Andrés, L., 2015, “Revamping and Preliminary Operation
of a Thrust Bearing Test Rig,”
TRC-B&C-03-14 Rohmer, M. and San Andrés, L., 2014, “A Destructive Failure Incident and
Revamping of the Thrust Bearing Test Rig,”
Other NASA/AF publications on
hydrostatic bearings
TRC-B&C-1-04, Balantrapu, K., and L San Andrés, 2004, “Identification of Force Coefficients in Flexible
Rotor-Bearing Systems – Enhancements and Further validations”.
TRC-B&C-2-03, San Andrés, L., 2003, “A Method
for Identification of Force Coefficients in Flexible Rotor-Bearing Systems”.
TRC-B&C-3-03, San Andrés, L., 2003, “Journal
Bearing Force Coefficients under High Dynamic Loading – Experimental
Results”
TRC-RD-1-02, de Santiago, O., 2002,
“Identification of Bearing Supports’ Force Coefficients from Rotor Responses
due to Imbalances and Impact Loads”
TRC-SFD-1-02, San Andrés, L., 2002, “Response
of a Squeeze Film Damper under High Dynamic Loading and Identification of
Damping and Inertia Coefficients”
TRC-RD-1-01, San Andrés, L., 2001, “Parameter
Identification of Series Bearing Supports from Imbalance Response and Impact
Excitations”
TRC-SFD-3-00, Rodriguez, L., S. Diaz,
and L. San Andrés, 2000, “Sine Sweep Load
Versus Impact Excitations and their Influence on the Identification of Damping
in a Bubbly Oil Squeeze Film Damper”
Tilting Pad Bearings –
radial and thrust
Tilting pad
thrust bearings
TRC-B&C-02-20 Koosha,
R., and San Andrés, L., 2020, “A MODEL FOR THE ANALYSIS OF FLOW STARVED TILTING PAD
THRUST BEARINGS”
TRC-B&C-01-19 Koosha,
R., and San Andrés, L., 2019, “A Computational Model for Self-Equalizing
Tilting Pad Thrust
Bearings”
TRC-B&C-01-18 Koosha,
R., and San Andrés, L.,2018, ”THERMO-
ELASTO-HYDRODYNAMIC (TEHD) COMPUTATIONAL ANALYSIS OF TILTING PAD THRUST
BEARINGS: ANALYTICAL AND FE PAD STRUCTURE MODELS”
TRC-B&C-05-17 San
Andrés, L., and Koosha, R., 2017, “Thermo-Hydrodynamic
(THD) Computational Analysis of Tilting Pad Thrust Bearings”
Modeling of tilting pad journal bearings
TRC-B&C-04-16 San Andrés, L., and Abdollahi, B., 2016, “Thermal
Effects on Pad Deformations and Tilting-Pad Journal Bearing Performance”
TRC-B&C-01-15 Li, Y., and San Andrés, L.,
2015, “A
Computational Model for Tilting Pad Journal Bearings with Pad Flexibility”
TRC-B&C-02-14 Li, Y., and San Andrés, L., 2014, “A FE Model for Static Load in Tilting Pad Journal
Bearings with Pad Flexibility”
TRC-B&C-01-13 San Andrés, L., and Tao, Y., 2013, “A Novel Computational
Model for Tilting Pad Journal Bearings with Soft Pivot Stiffnesses“
Test rig for hydrodynamic/hydrostatic thrust bearings
TRC-B&C-03-16 San Andrés, L., Rohmer,
M., Wilkinson, S., and Jani, H., 2016, “Measurement of Static Load Performance of a Water
Lubricated Thrust Bearing”
TRC-B&C-02-15 Rohmer, M., Wilkinson, S., and San Andrés, L., 2015, “Revamping and Preliminary Operation of a Thrust
Bearing Test Rig”
Gas Bearings – bump foil, metal mesh, porous carbon, etc
TRC-B&C-03-20 Bolen, R., and San
Andrés, L., 2020, “Experiments on a Tilting
Pads, Porous Carbon-Graphite, Gas Bearing: Static load
and Force Coefficients”
TRC-B&C-01-20 Cable, T., and San
Andrés, L., 2020, “EXPERIMENTS AND PREDICTIONS WITH A FOIL
THRUST BEARING SUPPORTED BY METAL MESH SCREEN”
TRC-B&C-02-17 Cable, T., and San Andrés, L., 2017, “A Test Rig
for Evaluation of Foil Thrust Bearings: Dynamic Stiffness of a Metal Mesh
Thrust Foil Bearing”
TRC-B&C-01-16 San Andrés L., and Zheng, Y., 2016, “Rotordynamic
Performance of a Rotor Supported on Carbon-Graphite Tilting-Pad Air Bearings”
TRC-B&C-02-16 San Andrés L., and Cable, T., 2016, “Structural Force Coefficients from
Metal Mesh Pads for a Foil Bearing”
TRC-B&C-01-14 Norsworthy, J., and San Andrés, L., 2014 “A Shimmed Bump Foil Bearing: Measurements of Drag Torque, Lift-Off
Speed, and Stiffness and Damping Coefficients.”
TRC-B&C-04-13, San Andrés. L., and Norsworthy, J., 2013,
“Identification of Structural Stiffness and Material Loss Factor in a Shimmed
(Generation One) Bump-Type Foil Bearing.”
TRC-B&C-02-13, San Andrés, L., and Chirathadam, T., 2013, “Metal Mesh Foil Bearings: Prediction and Measurement of Static
and Dynamic Performance Characteristics.”
TRC-BC001-12, San Andrés, L., and Chirathadam, T., 2012, “Measurements of Rotordynamic Response in a High temperature Rotor
Supported on Two
Metal Mesh Foil Bearings,”
TRC-B&C-01-10, San Andrés, L., and T. Chirathadam, 2010, “More on Metal Mesh Foil Bearings: Effect of Excitation
Frequency on Dynamic Force Coefficients”.
TRC-B&C-1-09, San Andrés, L., and Y. Niu, 2010, “Dynamic Response of a Rotor-Air
Bearing System due to Base Induced Periodic Motions”.
TRC-B&C-2-09, San Andrés, L., K.
Ryu, and T-H Kim, 2009,
“Measurements of Rotordynamic Response in a Hot Rotor Gas Foil Bearing System”.
TRC-B&C-3-09, San Andrés, L., and T. Chirathadam, 2009, “Measurement of Bearing Drag Torque, Lift
Off Speed and Identification of structural Stiffness and Damping in a Metal
Mesh Foil Bearing,”.
TRC-B&C-5-08, San Andrés, L., and Kim, T.H., 2008,
“Measurements of Structural Stiffness and Damping in a Metal Mesh Bearing and
Development of a Test Rig for Foil Gas Bearings”.
TRC-B&C-1-08, San Andrés, L., and K. Ryu, 2008,
“Dynamic Forced Response of a Rotor-Hybrid Gas Bearing System due to
Intermittent Shocks”.
TRC-B&C-2-08, San Andrés, L., and. T.H. Kim, 2008, “Thermohydrodynamic Analysis of Bump Type
Gas Foil Bearings: Model and Predictions”.
TRC-B&C-3-08, San Andrés, L., and. T.H. Kim, “Rotordynamic
Measurements on a High Temperature Rotor Supported on Gas Foil Bearings".
TRC-B&C-1-07, San Andrés, L., and K. Ryu, 2007,“Hybrid Gas
Bearings with Controlled Supply Pressure to Eliminate Rotor Vibrations while
Crossing System Critical Speeds”.
TRC-B&C-2-07, San Andrés, L., and. T.H. Kim, 2007, “Effect of Side Feed Pressurization
on the Performance of Shimmed Foil Gas Bearings – Part I: Experimental
Verification”.
TRC-B&C-3-07, San Andrés, L., and. T.H. Kim, 2007, “Effect of Side Feed Pressurization
on the Performance of Shimmed Foil Gas Bearings – Part II: Model, Predictions
and Comparisons to Rotordynamic Measurements".
TRC-B&C-1-06, San Andrés, L., and Kim, T-H, 2006, “Computational Analysis of Gas Foil Bearings Integrating 1D and 2D Finite
Element Models for Top Foil”.
TRC-B&C-2-06, San Andrés, L., and Kim, T-H, 2006, “Further Imbalance Response Measurements of Rotor Supported on Bump-Type
Gas Foil Bearings – Operation to 50 krpm”.
TL-B&C-1-06, San Andrés, L., and
Ryu, K., 2006 “Test Results for Load-On-Pad and
Load-Between-Pad Hybrid Flexure Pivot Tilting Pad Gas Bearings".
TRC-B&C-1-05, San Andrés, L., 2005, "Hybrid Tilting
Pad Gas Bearings: Analysis & Experimental Validation".
TRC-SEAL-3-05, Delgado, A., and L. San Andrés, 2005, " Hybrid Tilting Pad Gas Bearings: Analysis & Experimental Validation".
TRC-B&C-2-05, Rubio, D., and L. San Andrés, 2005, " Rotordynamic
Performance of a Rotor Supported on Gas Foil Bearings",
TRC-B&C-2-04, Zhu, X., and L San Andrés, 2004, “Experimental Response of a Rotor
Supported on Rayleigh Step Gas Bearings”.
TRC-B&C-4-03, San Andrés, L., and X. Zhu, 2003,
“Experimental Response of a Rotor Supported on Flexure Pivot Hydrostatic Pad
Gas Bearings”.
TRC-B&C-5-03, Rubio, D. and L. San Andrés, 2003, “Bump Type Foil Bearing Structural
Stiffness: Experiments and Predictions”.
TRC-B&C-2-02, Deborah Wilde, 2002, “Experimental Response of Gas Hybrid
Bearings for High Speed Oil-Free Turbomachinery”.
TRC-RD-1-99,
Diaz, S., T. Beets, G. Dunn, and L. San Andrés, 1999,
“High Speed Test Rig for Identification of Gas Journal Bearing Performance:
Design, Constraints and Fabrication"
TRC-Seal-7-98,
Zirkelback, N., and L. San Andrés, 1998,
“Computational Analysis of Spiral Groove Thrust Bearings and Face Seals”.
TRC-SEAL-7-97, Zirkelback, N., and L. San Andrés, 1997, “Computational Analysis of
Compressible Fluid Spiral Groove Face Seals”.
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edited by Luis San Andres (August 2022) =