Second Law Analysis for Nonlinear Convective Flow of a Reactive Couple Stress Fluid Through a Vertical Channel
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Date
2018
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ELSEVIER Heliyon
Abstract
The present article investigates the entropy generation rate in the nonlinear
convective flow of a reactive couple stress liquid through a channel filled with saturated materials and
subjected to convective cooling. Analytical solutions of the coupled nonlinear boundary-value problems
arising from the mathematical formulation are obtained by using the Homotopy Analysis Method
(HAM). The analytical solutions are further validated numerically with the fourth order Runge-Kutta
(RK4) to establish the accuracy of the method. Velocity, temperature, entropy generation, and heat
irreversibility ratio profiles are presented and discussed extensively. The result of the computation
shows that entropy generation increases significantly with increasing buoyancy parameter
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Keywords
Applied mathematics, Computational mathematics, Thermodynamics