Analysis of Bejan number and Entropy generation of Non-Newtonian nanofluid through an asymmetric microchannel

Abstract

This study examines the electro-kinetic peristaltic movement of a Sutterby nanofluid under the influence of entropy generation and Bejan number. The fluid flow was introduced into the undulating asymmetrical microchannel. The Sutterby nanofluid flow was considered in the static electric field in the horizontal direction and the applied external magnetic field in the transverse direction. The mathematical formulation of the implications of Bejan number and entropy generation are also explored. The governing fluid flow equations, such as the continuity, momentum, and temperature equations, are reduced considering the tiny wave number and the small Reynolds number approximation. The resulting nonlinear equations were resolved numerically with the help of the built-in NDSolve coding through the computational mathematical software MATHEMATICA. Graphical illustrations of the fluid velocity profile, temperature, entropy generation, Bejan number, and trapping phenomenon (streamlines) are presented in detail. The results from the Sutterby nanofluid model might have a broad range of applications, such as cancer tissue destruction, disease diagnosis, etc. It was concluded that there is a decrease in the fluid velocity and an increase in the Hartmann number.