Publications on Hydrodynamic Bearings

MAJOR APPLICATION: Lubricated Bearings & Seals for Rotating Machinery

Hybrid Brush Seals with Hydrodynamic Action

Baker, J., A. Delgado, and L. San Andrés, 2006, “Measurements of Leakage and Identification of Structural Parameters in a Hybrid Brush Seal,” Paper IJTC 2006-12375, ASME/STLE International Joint Tribology Conference, San Antonio, TX, October 2006

San Andrés, L., A. Delgado, and J. Justak, “Measurements of leakage, structural stiffness and energy dissipation parameters in a shoed brush seal,” Sealing Technology, December, (Elsevier Pubs)

Delgado, A., L., San Andrés, 2005, “Measurements of Leakage, Structural Stiffness and Energy Dissipation Parameters in a Shoed Brush Seal,” 4th EDF/LMS Poitiers Workshop “Advanced Topics and Technical Solutions In Dynamic Sealing” FUTUROSCOPE, France, October 6, 2005

Delgado, A., and L. San Andrés, 2005, “Identification of Structural Stiffness and Damping in a Shoed Brush Seal,” Paper DETC 2005-84159, Proceedings of IDETC/CIE 2005, ASME 2005 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, September 24-28, Long Beach, California (accepted for publication in ASME Journal of Vibrations, 2007)

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

Delgado, A., L. San Andrés, and J. Justak, 2003,”Identification of Stiffness and Damping Coefficients in a Shoed Brush Seal,” Proceedings of the VII Congreso y Exposición Latinoamericana de Turbomaquinaria, Veracruz, Mexico, October

Grooved Bearings

Zirkelback, N., and L. San Andrés, "Finite Element Analysis of Herringbone Grooved Journal Bearings: A Parametric Study," ASME Journal of Tribology, Vol. 120, pp. 234-240, 1998 (ASME Paper 97-Trib-14).

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

Flexure Pivot Tilting Pad Journal Bearings: Tests and Analysis

Jackson, M., and L. San Andrés, "Measurements of the Static Load (On Pad) performance and Pad Temperatures in a Flexure-Pivot Tilting Pad Bearing, " STLE Tribology Transactions, Vol. 41, 2, pp. 225-232 (STLE Paper 97-WTC-7), 1998.

Walton, N., and L. San Andrés, "Measurement of Static Loading Versus Eccentricity in a Flexure-Pivot Tilting Pad Journal Bearings," ASME Journal Of Tribology, Vol. 119, 2, pp. 297-305, 1997 (ASME Paper 96-TRIB-23).

San Andrés, L., "Turbulent Flow, Flexure-Pivot Hybrid Bearings for Cryogenic Applications," ASME Journal of Tribology, Vol. 118, 1, pp. 190-200, 1996 (ASME Paper 95-TRIB-14).

Floating Ring (High Pressure) Oil Seals

Semanate J., and L. San Andrés, "Thermal Analysis of Locked Multi - Ring Oil Seals," Tribology International, Vol. 27, 3, pp. 197-206, 1994.

Semanate, J. and San Andrés, L., "Analysis of Multi-Land High Pressure Oil Seals," STLE Tribology Transactions, Vol. 36, 4, pp. 661-669, 1993.

Semanate J., and San Andrés, L., "A Quasi-Static Method for the Calculation of Lock-up Conditions in Foating Ring Oil Seals," Proceedings of the IV Congreso Latinoamericano de Turbomaquinaria, Queretaro, Mexico, December, pp. 55-64, 1993.

Hydrodynamic Journal Bearings: Design and Fundamental Analysis

San Andrés, L., "Approximate Design of Statically Loaded Cylindrical Journal Bearings," ASME Journal of Tribology, Vol. 111, pp. 391-393, 1989.

Szeri, A.Z. and San Andrés, A., "Flow Between Eccentric Rotating Cylinders," ASME Journal of Applied Mechanics, Vol. 106, pp. 869-878, 1984.

Other Papers in Vibrations and Rotordynamics

Vance, J.M., and L. San Andrés, "Analysis of Actively Controlled Coulomb Damping for Rotating Machinery," ASME Paper 99-GT-175, 1999.

Diaz, S., and L. San Andrés, "Noise Related to Mechanical Vibration and Repeated Impacts in a Computer Fan, an Example of a Chaotic Dynamic System," Proceedings of the VI PACAM Conference, Rio de Janeiro, Brazil, January 1999, Applied Mechanics in the Americas, Volume 8, Dynamics, pp. 1243-1246

Merino, A., J. Perea, F. Baquero, and L. San Andrés, "Vibración Subsíncrona en Compresor Centrífugo con Cambio de Sellos," Memorias del VII Congreso Latinoamericano de Turbomaquinaria, Veracruz, Mexico, November 1998.

Baquero, F., Santiango, O., Merino, A., and L. San Andrés, "Efecto Rotodinamico de la Sustitucion de Sellos de Aceite por Sellos Secos en un Compresor Centrifugo," Memorias del V Congreso Latinoamericano de Turbomaquinaria, Acapulco, Mexico, pp. 225-230, November 1995.