The objective of the present research is to verify a THD model of hydrodynamic thrust bearings. The developed model of a pivoted pad bearing, which can tilt both radially and circumferentially, allows for three-dimensional temperature distribution in the oil film and in the pad, as well as two-dimensional temperature variation in the runner. Viscosity and density are treated as functions of both temperature and pressure. Experiments have been performed on a test rig, containing two identical equalizing pivoted pad thrust bearings. Power loss, runner temperature, and pressure profiles as a function of load and rotational speed are compared for both theoretical and experimental investigations. Fairly good agreement has been found when the oil inlet temperature and heat transfer coefficients have been estimated in order to get the same runner temperature in both theory and experiment. [S0742-4787(00)00802-X]
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April 2000
Technical Papers
THD Analysis of Tilting Pad Thrust Bearings—Comparison Between Theory and Experiments
T. Almqvist,
T. Almqvist
Division of Machine Elements, Lulea˚ University of Technology, 971 87 Lulea˚, Sweden
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S. B. Glavatskikh,
S. B. Glavatskikh
Division of Machine Elements, Lulea˚ University of Technology, 971 87 Lulea˚, Sweden
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R. Larsson
R. Larsson
Division of Machine Elements, Lulea˚ University of Technology, 971 87 Lulea˚, Sweden
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T. Almqvist
Division of Machine Elements, Lulea˚ University of Technology, 971 87 Lulea˚, Sweden
S. B. Glavatskikh
Division of Machine Elements, Lulea˚ University of Technology, 971 87 Lulea˚, Sweden
R. Larsson
Division of Machine Elements, Lulea˚ University of Technology, 971 87 Lulea˚, Sweden
Contributed by the Tribology Division for publication in the JOURNAL OF TRIBOLOGY. Manuscript received by the Tribology Division March 5, 1999; revised manuscript received June 22, 1999. Associate Technical Editor: M. M. Khonsari.
J. Tribol. Apr 2000, 122(2): 412-417 (6 pages)
Published Online: June 22, 1999
Article history
Received:
March 5, 1999
Revised:
June 22, 1999
Citation
Almqvist , T., Glavatskikh , S. B., and Larsson, R. (June 22, 1999). "THD Analysis of Tilting Pad Thrust Bearings—Comparison Between Theory and Experiments ." ASME. J. Tribol. April 2000; 122(2): 412–417. https://doi.org/10.1115/1.555377
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