An Elastohydrodynamic Analysis of Transient Pumping Ring Operation

[+] Author and Article Information
L. M. Zull

Westinghouse Electric Corp., Pittsburgh, Pa.

C. F. Kettleborough

Texas A&M University, College Station, Tex.

J. of Lubrication Tech 97(2), 195-201 (Apr 01, 1975) (7 pages) doi:10.1115/1.3452554 History: Received June 24, 1974; Online October 18, 2010


The coupled elastic and hydrodynamic equations describing the transient behavior of a low capacity lubricant pumping and sealing device known as an oil pumping ring assembly have been solved numerically for both isothermal and adiabatic conditions in the lubricant film. Results show the transient behavior of the pressure, viscosity and temperature fields in the lubricant film, stresses developed in the pumping ring, and the amount of fluid pumped. A performance analysis over a limited range of component dimensions is also presented.

Copyright © 1975 by ASME
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