Impulsive Squeezing With Suction and Injection

[+] Author and Article Information
E. A. Hamza

Department of Mathematics and Statistics, College Science, Sultan Qaboos University, P. O. Box 36, AI-Khod 123, Muscat, Sultanate of Oman

J. Appl. Mech 66(4), 945-951 (Dec 01, 1999) (7 pages) doi:10.1115/1.2791803 History: Received February 03, 1998; Revised June 25, 1999; Online October 25, 2007


This paper is concerned with the motion of a fluid film squeezed between two parallel plane surfaces with suction or injection at the porous surface. Attention is given to the case of impulsive squeezing. Analytic solutions based on the regular perturbation technique and on the linearized analysis of the resulting nonlinear partial differential equation are presented. The effects of injection and suction on the velocity profiles and on the normal forces which the fluid exerts on the surfaces are studied.

Copyright © 1999 by The American Society of Mechanical Engineers
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