Heat and mass transfer analysis above an unsteady infinite porous surface with chemical reaction

The flow of viscous nanofluid with heat and mass transmission above a porous flat surface in the existence of a constant magnetic field is addressed in this article. Brownian motion, Thermophoresis, and viscous dissipation are all taken into account. The motion is described by a system of equations that are transformed into conventional non-linear differential equations by appropriate transformations and then tackled numerically using the boundary value problem approach at MATLAB. The convergence criterion for the solution is 10−6. The found solutions are functions of the problem's physical properties. The effects of different study parameters for velocity, temperature, and concentration profiles are explored through graphs and tables. An increase in the Prandtl number increases the Sherwood and Nusselt number while Brownian motion reduces the Sherwood number. Viscoelastic parameter increases the skin friction and decreases the nusselt number.

Abstract licence: CC BY-NC

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