Effect of Velocity Slip in an Externally Pressurized Porous Thrust Bearing Working With an Incompressible Fluid

[+] Author and Article Information
P. R. K. Murti

MEMA, Université Catholique de Louvain, Stevin, 1348 Louvain-la-Neuve, Belgium

J. Appl. Mech 43(3), 404-408 (Sep 01, 1976) (5 pages) doi:10.1115/1.3423880 History: Received August 01, 1974; Revised July 01, 1975; Online July 12, 2010


A porous thrust pad externally pressurized with an incompressible fluid is analyzed providing for the slip flow at the porous boundary as per the Beavers-Joseph model. The performance characteristics of the bearing are derived in a closed form assuming that the flow is predominantly axial in the bearing matrix. The behavior of the bearing is described in terms of a new dimensionless parameter called the “Bearing Number.” There is near perfect agreement between the theoretical predicted performance and the one experimentally evaluated.

Copyright © 1976 by ASME
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