Journal
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Volume 45, Issue 5, Pages 482-489Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijnonlinmec.2010.01.007
Keywords
Entropy analysis; Magnetohydrodynamic; Stretching surface; Viscoelastic
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This paper presents the application of the second law analysis of thermodynamics to viscoelastic magnetohydrodynamic flow over a stretching surface. The velocity and temperature profiles are obtained analytically using the Kummer's functions and used to compute the entropy generation number. The effects of the magnetic parameter, the Prandtl number, the heat source/heat sink parameter and the surface temperature parameter on velocity and temperature profiles are presented. The influences of the same parameters, the Hartmann number, the dimensionless group parameter and the Reynolds number on the entropy generation are also discussed. (C) 2010 Elsevier Ltd. All rights reserved.
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