Influence of Uniform Suction/Injection on Heat Transfer of MHD Hiemenz Flow in Porous Media
Publication: Journal of Engineering Mechanics
Volume 138, Issue 1
Abstract
The steady two-dimensional laminar forced magneto-hydrodynamic (MHD) Hiemenz flow against a flat plate with variable wall temperature in a porous medium is analyzed. The transformed nonlinear boundary-layer equations are solved analytically by homotopy analysis method (HAM). Results for the velocity and temperature profiles are presented for various values of Prandtl number , the Hartmann number ( ), exponent of wall temperature ( ), the permeability parameter ( ), and suction and injection parameter ( ). Increments in , , and increase the velocities profiles but decrease the temperature profiles. Contrarily, the increment in the decreases the velocity profiles and increases the temperature profiles. The convergence of the obtained series solutions is explicitly studied and a proper discussion is given for the obtained results. Comparison between the HAM and numerical solutions showed excellent agreement.
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Published In
Journal of Engineering Mechanics
Volume 138 • Issue 1 • January 2012
Pages: 82 - 88
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Jun 28, 2010
Accepted: Jul 19, 2011
Published online: Jul 21, 2011
Published in print: Jan 1, 2012
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