Analytical Solutions for Incompressible Spiral Groove Viscous Pumps

[+] Author and Article Information
F. C. Hsing

Mechanical Technology Inc., Latham, N. Y.

J. of Lubrication Tech 96(3), 365-369 (Jul 01, 1974) (5 pages) doi:10.1115/1.3451965 History: Received October 01, 1973; Online October 18, 2010


Exact solutions for a class of incompressible spiral-grooved viscous pumps were obtained by solving the dynamic perturbation equations based on the governing equations of the well-known narrow groove theory. The resulting closed-form analytical expressions contain two integration constants which can be determined by appropriate boundary conditions pertinent to a specific application and design. A flat thrust bearing was chosen to illustrate the application of these results. The load-carrying capacity calculated from present theory was compared with those obtained by other investigator [2]. The agreement is extremely good. No attempt was made to generate design charts for various designs since the resulting expressions obtained in this work can be used quite easily in a straightforward fashion.

Copyright © 1974 by ASME
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