Performance Analysis of a New Concept Viscous Pump

[+] Author and Article Information
I. Etsion, R. Yaier

Department of Mechanical Engineering, Haifa 32000, Israel

J. Tribol 110(1), 93-99 (Jan 01, 1988) (7 pages) doi:10.1115/1.3261582 History: Received March 15, 1987; Online October 29, 2009


A new concept of a viscous pump is described and the pump performance is analyzed. A linear relation is found between the flow rate and discharge pressure. Optimization of the pump geometry for maximum flow rate is presented. The potential of the new pump is demonstrated by numerical examples for general and medical applications. Finally the effect of misalignment tolerances on pump performance is discussed. It is found that under the maximum possible misalignment flow rate is reduced by no more than 30 percent and discharge pressure by less than 54 percent.

Copyright © 1988 by ASME
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