The paper considers vibration response of spinning shafts supported by flexible tilt pad journal bearings, to large mass imbalance (blade loss). A time transient study of the tilt pad journal bearing with thermal effects and without pad deformations, and with pad deformations and without thermal effects, is performed. Influence of the inclusion of thermal effects on the journal center’s orbit, the minimum film thickness, and the maximum film temperature is evaluated, and also the influence of pad deformations due to the fluid film forces on the journal center’s orbit and the minimum film thickness is studied. Inclusion of thermal effects had little effect on the orbit, while the inclusion of pad deformations had considerable effect on the journal orbit and the minimum film thickness. Three cases are studied in this paper; static load without imbalance, static load with low imbalance, and static load with high imbalance.
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April 1995
Research Papers
Transient Analysis of Tilt Pad Journal Bearings Including Effects of Pad Flexibility and Fluid Film Temperature
R. K. Gadangi,
R. K. Gadangi
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843
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A. B. Palazzolo
A. B. Palazzolo
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843
Search for other works by this author on:
R. K. Gadangi
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843
A. B. Palazzolo
Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843
J. Tribol. Apr 1995, 117(2): 302-307 (6 pages)
Published Online: April 1, 1995
Article history
Received:
March 1, 1994
Revised:
July 12, 1994
Online:
January 24, 2008
Citation
Gadangi, R. K., and Palazzolo, A. B. (April 1, 1995). "Transient Analysis of Tilt Pad Journal Bearings Including Effects of Pad Flexibility and Fluid Film Temperature." ASME. J. Tribol. April 1995; 117(2): 302–307. https://doi.org/10.1115/1.2831247
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