Publications on Gas
Bearings
MAJOR APPLICATION: Oil-Free Turbomachinery,
Micro-Turbines, Turbo exanders & blowers, etc
Sponsors:
National Science Foundation (03-06),
Turbomachinery Research Consortium (00-05), USAF-Wright Patterson (04-05),
State of
TOPICS (select
below) updated April 16, 2008
Gas Bearings (rigid and tilting pad bearings)
Computational Analyses
Magazine Articles
San Andrés, L., 2004, “Gas bearings
will soon be widely used,” Research makes
a difference, Turbomachinery International, Vol. 45, 3, pp. 35.
San Andrés, L., A. Delgado, and J. Justak,
2005, “Measurements of leakage, structural stiffness and energy dissipation
parameters in a shoed brush seal,” Sealing
Technology, December, (Elsevier Pubs)
Kim, T.H., and San Andrés,
L., 2008 “Effect of Side Pressurization on the Performance of Gas Foil Bearings
– A Model Anchored to Test Data,” Paper GT2008-50571 (accepted for publication
at ASME Journal of Gas Turbines and Power)
Kim, T.H., San Andrés,
L., and Breedlove, A., 2008,
“Characterization of Foil Bearing Structure for Increasing Shaft Temperatures:
Part II – Dynamic Force Performance,” Paper GT2008-50570
Kim, T.H., Breedlove, A., and San Andrés, L.,
2008, “Characterization of Foil Bearing Structure for Increasing Shaft
Temperatures: Part I – Static Load Performance,” Paper GT2008-50567
Kim, T.H., and L. San
Andrés, 2008, “Heavily Loaded Gas Foil Bearings: a Model Anchored to Test
Data,” ASME Journal of Engineering for Gas Turbines and Power, Vol. 130(1), pp.
012504-1-8.
San Andrés, L., and Kim, T.H., 2008, “Forced
Nonlinear Response of Gas Foil Bearing Supported Rotors,” Tribology
International, TRIBINT-D-07-00295 (IN PRINT)
San
Andrés, L., and T.H. Kim, 2007,
“Issues on Instability and Force Nonlinearity in Gas Foil Bearing Supported
Rotors,” 43rd AIAA/ASME/SAE/ASEE Joint
Propulsion Conference & Exhibit,
San Andrés, L.,
and T-H Kim, 2007, “Improvements to the Analysis of Gas
Foil Bearings: Integration of Top Foil 1D and 2D Structural Models,” ASME Paper
No GT2007-27249
San Andrés, L., D. Rubio, and T.H. Kim, 2007, “Rotordynamic Performance of a Rotor Supported on
Bump Type Foil Gas Bearings: Experiments and Predictions,” ASME Journal of
Engineering for Gas Turbines and Power, 129(3), pp. 850-857 (ASME Paper GT
2006-91238)
Kim, T-H, and L., San Andrés, 2007, “Analysis of Gas
Foil Bearings with Piecewise Linear Elastic Supports.” Tribology International, 40, pp. 1239-1245.
Kim, T.H., and L.
San Andrés, 2005, “Analysis of Gas Foil Bearings with Piecewise Linear Elastic
Supports,” Paper WTC 2005-63397, III World Tribology Conference,
Kim, T.H., and L. San
Andrés, 2006, “Limits for High Speed Operation of Gas Foil Bearings,” ASME
Journal of Tribology, 128, pp.
670-673. [Paper WTC 2005-63398. III World Tribology Conference,
Rubio, D., and L. San
Andrés, 2007, “Structural Stiffness, Dry-Friction Coefficient and Equivalent
Viscous Damping in a Bump-Type Foil Gas Bearing,” ASME Journal of Engineering
for Gas Turbines and Power, 129, pp. 494-502. (ASME Paper GT 2005-90873)
2005 BEST Paper Award – IGTI
Structures and Dynamics Division
Kim, Tae-Ho., and L. San Andrés,
2005, “Heavily Loaded Gas Foil Bearings: a Model Anchored to Test Data,” ASME
Paper GT 2005-68486
Rubio, D., and L., San
Andrés, 2006, “Bump-Type Foil Bearing Structural Stiffness: Experiments and
Predictions”, ASME Journal of Engineering for Gas Turbines and Power, 128, pp. 653-660. (ASME Paper GT 2004-53611).
Petter, C., 2006, “Analysis of
Gas Foil Bearings and Test Data Predictions,” ASME Regional Student Conference, District E – Eastern Area
(2006 Spring Student Conference, April 6-8,
San Andrés, L., 1995,
"Turbulent Flow Foil Bearings for Cryogenic Applications,", ASME Journal of Tribology, Vol. 117, 1, pp. 185-195
(ASME Paper 94-TRIB-33)
GAS BEARINGS – Flexure Pivot Tilting Pad
San Andrés, L., and Ryu, K., 2008, “Hybrid Gas Bearings with
Controlled Supply Pressure to Eliminate Rotor Vibrations while Crossing System
Critical Speeds,” Paper GT2008-50393 (accepted for publication at ASME
Journal of Engineering for Gas Turbines and Power)
San Andrés, L., and K. Ryu, 2008, “Flexure
Pivot Tilting Pad Gas Bearings: Operation with Worn Clearances and Two Load-Pad
Configurations,” ASME Journal of Engineering for
Gas Turbines and Power, Vol. 130, pp. 042506-1-10.(ASME Paper No GT2007-27127)
Ryu, K., and L. San Andrés,
2006, “Measurements of Rotordynamic Response of a Rotor Supported on Hybrid
Flexure Pivot Tilting Pad Gas Bearings” Paper IJTC 2006-12371, ASME/STLE
International Joint Tribology Conference, San Antonio, TX, October 2006
Zhu, S. and L., San
Andrés, 2007, “Rotordynamic Performance of Flexure Pivot Hydrostatic Gas
Bearings for Oil-Free Turbomachinery,” Journal of Engineering for Gas Turbines
and Power, 129(4), pp. 1020-1027. (ASME Paper GT 2004-53621)
Wilde, D., and L., San
Andrés, 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,” ASME Paper GT 2004-54183
GAS BEARINGS – Rigid Surface
Zhu, X., and L. San
Andrés, 2005, “Experimental Response of a Rotor Supported on Rayleigh Step Gas
Bearings,” ASME Paper GT 2005-68296.
Wilde, D.A., and San
Andrés, L., 2006, “Experimental Response of Simple Gas Hybrid Bearings for
Oil-Free Turbomachinery,” ASME Journal of Engineering for Gas Turbines and
Power, 128, pp. 626-633. (ASME Paper No. GT
2003-38833, 2003 BEST Rotordynamics Paper Award –ASME (IGTI))
Wilde, D.A., and San
Andrés, L., 2006, “Comparison of Rotordynamic Analysis Predictions with the
Test Response of Simple Gas Hybrid Bearings for Oil Free Turbomachinery,” ASME
Journal of Engineering for Gas Turbines and Power, 128, pp. 634-643 (ASME Paper
No. GT2003-38859, 2003 BEST
Rotordynamics Paper Award –ASME (IGTI))
Wilde, D.A., and San
Andrés, L., 2003, “Experimental Response of Simple Gas Hybrid Bearings for
Oil-Free Turbomachinery,” ASME Paper GT 2003-38833 (accepted for publication at
ASME Journal of Gas Turbines and Power)
ANALYSIS OF GAS BEARINGS (finite differences and finite element based)
San Andrés, L., 2006, “Hybrid
Flexure Pivot-Tilting Pad Gas Bearings: Analysis and Experimental Validation,”
ASME Journal of Tribology, 128, pp.
551-558. (Paper IJTC 2006-12026)
San Andrés, L., 2005, HYBRID GAS BEARINGS FOR OIL-FREE TURBOMACHINERY:
Experiments and model validation, 1st International Conference on
Experiments/Process/System Modellng/Simulation/Optimization,
Pan, C., and L. San Andrés, 2005,
“The Narrow Groove Bearing Analysis Revisited,” Paper WTC 2005-63803, III World
Tribology Conference, Washington D.C., September
Delgado, A., L., San
Andrés, and J. Justak, 2004, “Analysis of Performance
and Rotordynamic Force Coefficients of Brush Seals with Reverse Rotation
Ability”, ASME Paper GT 2004-53614
San Andrés, L., and D. Wilde, 2001, “Finite Element
Analysis of Gas Bearings for Oil-Free Turbomachinery,” Revue Européenne des Eléments Finis,
Vol. 10 (6/7), pp. 769-790
Faria,
M., and L. San Andrés, 2000, “On the
Numerical Modeling of High Speed Hydrodynamic Gas Bearings,” ASME Journal of
Tribology, Vol. 122, 1, pp. 124-130 (ASME Paper 99-TRIB-2).
Zirkelback, N., and
L. San Andrés, 1999, "Effect of Frequency Excitation on the Force
Coefficients of Spiral Groove Thrust Bearings and Face Gas Seals,” ASME Journal
of Tribology, Vol. 121, 4, pp. 853-863 (ASME Paper 98-TRIB-12).
Research Progress Reports to the
Turbomachinery Research Consortium (TRC):
(available
only to the industrial members of the Turbomachinery Research Consortium)
San Andrés, L., and K. Ryu,
“Hybrid Gas Bearings with Controlled Supply Pressure to Eliminate Rotor
Vibrations while Crossing System Critical Speeds,” TRC-B&C-1-07
San Andrés, L., and. T.H. Kim, Effect of
Side Feed Pressurization on the Performance of Shimmed Foil Gas Bearings – Part
I: Experimental Verification,” TRC-B&C-2-07
San Andrés, L., and. T.H. Kim, “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-3-07
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-1-07
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-2-07
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-3-07
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-1-06
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,” TRC-B&C-2-06
San Andrés, L.,
and Ryu, K., “Test
Results for Load-On-Pad and Load-Between-Pad Hybrid Flexure Pivot Tilting Pad
Gas Bearings, TL-B&C-1-06
San
Andrés, L., 2005, HYBRID TILTING PAD GAS BEARINGS: ANALYSIS & EXPERIMENTAL
VALIDATION, TRC-B&C-1-05
Delgado, A., and L. San Andrés, 2005, Identification of Structural Stiffness and
Damping in a Shoed Brush Seal, TRC-SEAL-3-05
Rubio, D., and L. San
Andrés, 2005, Rotordynamic Performance of
a Rotor Supported on Gas Foil Bearings, TRC-B&C-2-05
Zhu,
X., and L San Andrés,
2004, “Experimental Response of a Rotor Supported on Rayleigh Step Gas
Bearings,” TRC-B&C-2-04.
San Andrés, L.,
and X. Zhu, 2003, “Experimental
Response of a Rotor Supported on Flexure Pivot Hydrostatic Pad Gas Bearings,”
TRC-B&C-4-03.
Rubio,
D. and L. San Andrés,
2003, “Bump Type Foil Bearing Structural Stiffness: Experiments and
Predictions,” TRC-B&C-5-03.
Deborah Wilde,
2002, “Experimental Response of Gas Hybrid Bearings for High Speed Oil-Free Turbomachinery,”
TRC-B&C-2-02.
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-RD-1-99
Zirkelback, N., and L. San Andrés, 1998, “Computational
Analysis of Spiral Groove Thrust Bearings and Face Seals,” TRC-Seal-7-98.
Zirkelback, N., and L. San Andrés, 1997, “Computational
Analysis of Compressible Fluid Spiral Groove Face Seals,” Report TRC-SEAL-7-97.