Variable Viscosity Effects in Hydrostatic Films: The Adiabatic Transformation

[+] Author and Article Information
R. R. Donaldson

University of California at Berkeley, Berkeley, Calif.

J. of Lubrication Tech 93(1), 151-154 (Jan 01, 1971) (4 pages) doi:10.1115/1.3451503 History: Received March 10, 1970; Online October 18, 2010


A transformation is presented whereby a hydrostatic film pressure distribution p(x, y) for constant viscosity ν is transformed into a solution assuming ν = ν(p, T) in which T(x, y) satisfies the adiabatic energy equation. The effects of variable viscosity on film pressure profiles and load capacities are demonstrated by applying the transformation to simple hydrostatic bearing film geometries.

Copyright © 1971 by ASME
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