MHD flow of Sisko nanofluid over a stretching sheet with Joule heating

摘要

In this work, a numerical study has been done to analyse the flow and heat transfer of magnetohydrodynamics Sisko nanofluid over a stretching sheet in the presence of Joule heating with convective boundary conditions. By using suitable similarity transformations, the governing equations are converted into nonlinear ordinary differential equations with appropriate boundary conditions. The system of nonlinear coupled differential equations is then solved using the finite difference scheme in MATLAB. The influence of physical parameters on velocity, temperature and nanoparticle volume fraction are presented through graphs. Numerical results reveal that the temperature of the fluid substantially enhances with an increase in Joule heating, Eckert number and thermal Biot number. Fluid velocity enhances with an increase in material parameter and reduces with the Joule heating parameter. The rate of heat transfer decreases with the material parameter for Sisko fluid, Eckert number, thermophoresis parameter, and Brownian motion parameter, while increases with thermal Biot number.