Abstract
The present article aims to explore the effect of Lorentz force on the heat transfer rate of Sisko nanofluid flowing over a nonlinearly stretching surface. The nonlinear flow governing partial differential equations is transformed into nonlinear ordinary differential equations using the appropriate similarity variables. The transformed differential equations are quasi-linearized and solved numerically using the implicit finite difference method. Further, an analytical solution is derived for different special cases, and a comparative study of the analytical solution of the skin friction coefficient has been done with the numerical solution to validate the accuracy of the numerical computation. The impact of pertinent flow-governing parameters on quantities of engineering interest has been discussed in detail through graphs and tables. The results are compared for both shear thickening and thinning of Sisko nanofluid. The results reveal that the Lorentz force enhances the temperature and the thermal boundary layer thickness and reduces the heat transfer rate. Further use of Sisko-based nanofluid is recommended to enhance the industrial cooling process.
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