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RESEARCH PAPERS

Unsteady Hydromagnetic Boundary Layer in a Rotating Medium

[+] Author and Article Information
P. Puri, P. K. Kulshrestha

Department of Mathematics, University of New Orleans, New Orleans, La.

J. Appl. Mech 43(2), 205-208 (Jun 01, 1976) (4 pages) doi:10.1115/1.3423809 History: Received October 01, 1974; Online July 12, 2010

Abstract

The three-dimensional flow of a viscous fluid in the presence of the transverse magnetic field past an infinite porous plate moving with a time-dependent velocity in a rotating medium is investigated. An exact solution is found by using the Laplace transform method. The order of Stokes, Ekman, and Stokes-Rayleigh layers arising in the problem are derived and the influence of the magnetic field and suction (blowing) is studied. The behavior of the drag and lateral stress on the plate is discussed and the power input required to keep the plate in motion calculated. It is also found that a normal solution exists at the resonant frequency for the problem investigated here.

Copyright © 1976 by ASME
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