keywords: Buoyancy forces, Powell-Eyring nanofluid, unsteady MHD flow, stagnation point
The objective of this article is to scrutinize the unsteady MHD flow near a stagnation of chemically reacting Powell-Eyring nanofluid over a convectively heated stretched surface using the impact of thermal radiation, internal heat generation, thermal and solutal buoyancy with magnetic field intensity. The highly non-linear partial differential equations are transformed into ordinary differential equations by similarity transformation and later handles by shooting procedure alongside with sixth-order Runge Kutta iterative scheme. Comparative reviews between the published articles were made with the present study and excellent agreements were established. Effectiveness of innumerable fluid flow embedded parameters is publicized graphically on velocity, temperature and concentration graphs. It is manifested that fluid velocity promotes with the larger values of fluid parameter, unsteady parameter, stretching parameter, radiation parameter, and internal heat generation parameter. It is also observed that concentration declines when destructive chemical reaction, solutal buoyancy, and stretching parameter enhances whilst the antithesis direction is noticed in the order of chemical reaction parameter. Furthermore, the thermal boundary layer thickness thickens with enhancing unsteady parameter. We further examined the influence of this fluid flow parameters on the skin friction coefficient, Nusselt number and Sherwood number.