Couple effect of Joule heating and multiple slips on an unsteady electromagnetic nanofluid towards a stagnation point: A statistical inspection

Abstract

: 10 This research is focused on the examination of an unsteady flow of an electromagnetic 11 nanofluid close to a stagnation point over an expanded sheet kept horizontally. The Buongiorno’s 12 nanofluid model is revised with the combined influence of the externally applied electric and 13 magnetic fluxes. Moreover, the underneath surface offers multiple slips into the nanofluid flow. The 14 leading PDE’s are renovated to the non-linear ODE’s by the assistant of similarity transformations. 15 Thus, the outcomes are received numerically by using the RK-6 with Nachtsheim-Swigert shooting 16 technique. The enlistment of the outcomes for the momentum, energy, and concentration profiles 17 along with the skin-friction coefficient   * fx C , Nusselt number   * x Nu , and Sherwood number   * x Sh 18 for several parametric values are presented in a graphical and tabular form and discussed in detail. 19 The variation of streamlines with respect to the unsteadiness parameter is also recorded. Statistical 20 inspection reveals that the flow parameters are highly correlated with the wall shear stress, wall heat 21 and mass fluxes. Findings indicate that the escalation of electric flux tries to intensify the 22 hydrodynamic boundary layer meanwhile the magnetic flux assists to stabilize the growth by reducing 23 it for both the steady and unsteady flow patterns. Influence of velocity slip parameter  from 0.0 to 24 1.5 causes the reduction in * x Nu by 16.98% for steady flow while 60.27% for time dependent flow 25