Abstract
The aim of current investigation is to analyse the irreversibility phenomenon, in the presence of nanoparticles in the base fluid, in viscous flow caused by the uniform motion of a wavy plate. The utilised model for the presentation of nanofluid is the Bonjourno model in which the Brownian motion and thermophoresis effects are considered. The non-flat surface texture of the wavy plate does not allow the similarity solution to exist due to which the problem is non-similar in nature. The study of entropy generation phenomenon in such non-similar boundary layer flows is very rare in literature. An implicit finite difference scheme (the Keller-box method) is utilised to obtain the numerical solution and the results have been presented through several graphs. The impact of various controlling parameters, namely, the Brownian motion parameter, the thermophoresis parameter, wavy amplitude, Lewis number, Prandtl, and Brinkman numbers on Bejan number and entropy production number are examined. It is found that entropy production increases by increasing the concentration of nanoparticles.
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