Title: Slip effects on entropy generation in MHD flow over a stretching surface in the presence of thermal radiation

Authors: Adnan Saeed Butt; Asif Ali; Sufian Munawar

Addresses: Department of Mathematics, Quaid-I-Azam University, 45320, Islamabad 44000, Pakistan ' Department of Mathematics, Quaid-I-Azam University, 45320, Islamabad 44000, Pakistan ' Department of Mathematics, Quaid-I-Azam University, 45320, Islamabad 44000, Pakistan

Abstract: The present paper deals with the study of slip effects on entropy generation in viscous incompressible flow over a stretching sheet subjected to a transverse magnetic field in the presence of thermal radiation. By using suitable similarity transformations, the momentum and the energy equations are transformed into nonlinear ordinary differential equations and series solutions are obtained using the homotopy analysis method. The velocity and the temperature profiles are obtained and are utilised to compute the entropy generation number and the Bejan number. The results are discussed and presented through graphs for several values of slip parameter K, magnetic field parameter M, radiation parameter N_R and group parameter Br/Ω.

Keywords: boundary layer flow; slip effects; thermal radiation; entropy generation; MHD flow; viscous flow; incompressible flow; magnetic field; temperature profile; velocity profile; magnetohydrodynamics; nonlinear ODEs; ordinary differential equations; homotopy analysis; stretching surfaces.

DOI: 10.1504/IJEX.2013.055775

International Journal of Exergy, 2013 Vol.13 No.1, pp.1 - 20

Received: 26 Jun 2012
Accepted: 12 Aug 2012
Published online: 08 Aug 2013 *

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