Title: Entropy generation in couple stress fluid flow through porous channel with fluid slippage

Authors: Samuel O. Adesanya; Oluwole D. Makinde

Addresses: Department of Mathematical Sciences, College of Natural Sciences, Redeemer's University, Km 46, Lagos – Ibadan Expressway, P.O. Box 7914, Ikeja. PMB 3005, Redemption City, Ogun State 23401, Nigeria ' Faculty of Military Science, Stellenbosch University, Private Bag X2, Saldanha 7395, South Africa

Abstract: In this paper, entropy generation in couple stress fluid flowing steadily through a porous channel with slip at the isothermal walls is considered. The Navier slip model is employed at both walls. Analytical solutions for the governing nonlinear boundary-value problems are constructed using Adomian decomposition method (ADM). Important flow properties are presented and discussed including the entropy generation and irreversibility ratio.

Keywords: entropy generation; couple stress fluids; fluid slippage; ADM; Adomian decomposition method; porous channels; fluid flow; Navier slip model; modelling; irreversibility ratio; nonlinear boundary value.

DOI: 10.1504/IJEX.2014.065711

International Journal of Exergy, 2014 Vol.15 No.3, pp.344 - 362

Received: 02 Jul 2013
Accepted: 18 Oct 2013
Published online: 30 Apr 2015 *

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