The Effects of Geometry and Inertia on Face Seal Performance—Laminar Flow

[+] Author and Article Information
H. J. Sneck

Research and Development Center, General Electric Company, Schenectady, N. Y.

J. of Lubrication Tech 90(2), 333-341 (Apr 01, 1968) (9 pages) doi:10.1115/1.3601566 History: Received August 09, 1967; Online August 23, 2011


The “short bearing” equation of lubrication theory, modified to include inertial effects, is used to study the influence of geometric deviations from the ideal. It is found that the centrifugal force could be responsible for hydrodynamic features of the leakage flow which are theoretically unexplainable in the absence of this inertial effect. There is good evidence that the theory and the results are applicable over the entire laminar range of operation, provided the nominal clearance is small compared to the nominal radius.

Copyright © 1968 by ASME
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