Abstract
In this article, we have briefly examined the entropy generation in magnetohydrodynamic (MHD) Eyring–Powell fluid over an unsteady oscillating porous stretching sheet. The impact of thermal radiation and heat source/sink are taken in this investigation. The impact of embedded parameters on velocity function, temperature function, entropy generation rate, and Bejan number are deliberated through graphs, and discussed as well. By studying the entropy generation in magnetohydrodynamic Eyring–Powell fluid over an unsteady oscillating porous stretching sheet, the entropy generation rate is reduced with escalation in porosity, thermal radiation, and magnetic parameters, while increased with the escalation in Reynolds number. Also, the Bejan number is increased with the escalation in porosity and magnetic parameter, while increased with the escalation in thermal radiation parameter. The impact of skin fraction coefficient and local Nusselt number are discussed through tables. The partial differential equations are converted to ordinary differential equation with the help of similarity variables. The homotopy analysis method (HAM) is used for the solution of the problem. The results of this investigation agree, satisfactorily, with past studies.
Highlights
A non-Newtonian Fluid has exclusive features: it illustrates both the properties of liquid and solid, as the relationship between the shear stress and the shear rate becomes non-linear
We investigated the entropy generation on MHD Eyring–Powell fluid over an
We investigated the entropy generation on MHD Eyring–Powell fluid over an taken into account
Summary
A non-Newtonian Fluid has exclusive features: it illustrates both the properties of liquid and solid, as the relationship between the shear stress and the shear rate becomes non-linear. Industries, and technologies non-Newtonian fluids are used frequently. Non-Newtonian fluid flow problems in different dimensions, through a porous stretching sheet with heat transfer and magnetohydrodynamic effects, have plentiful and inclusive applications in several engineering and industrial sectors. They include heat exchanger design, glass blowing melt spinning, production of glass fibers, fiber and wire coating, industrialization of rubber and plastic sheets, etc.
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