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TECHNICAL BRIEFS

Nonsteady Stagnation-Point Flows Over Permeable Surfaces: Explicit Solutions of the Nevier-Stokes Equations

[+] Author and Article Information
G. I. Burde

Meteorology Unit, Ben-Gurion University, Blaustein Institute for Desert Research, Sede Boker Campus 84993 Israel

J. Fluids Eng 117(1), 189-191 (Mar 01, 1995) (3 pages) doi:10.1115/1.2816811 History: Received November 08, 1993; Revised August 09, 1994; Online December 04, 2007

Abstract

Some new explicit solutions of the unsteady two-dimensional Navier-Stokes equations describing nonsteady stagnation-point flows with surface suction or injection are presented. The solutions have been obtained using a new approach for finding explicit similarity solutions of partial differential equations. As distinct from the common Birkhoff’s similarity transformation, which permits only one form of an unsteady potential flow field and only one form of time dependence for suction (or blowing) velocity, the transforms obtained permit consideration of a variety of special solutions differing in the forms of time dependence.

Copyright © 1995 by The American Society of Mechanical Engineers
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