Stagnation point flow;
Jeffery fluid model;
Brownian motion;
MHD;
Cattaneo–Christov heat flux;
Thermophoresis and viscous dissipation;
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摘要:
The physical features of magnetized Jeffrey nanofluid following the stagnation point flow confined by a stretched surface are addressed. Cattaneo–Christov (CC) double diffusion models are employed to address the effect of thermal and solutal fluctuations. These models depend on improved diffusion presumptions against the thermal as well as solutal relaxation times. The scrutinized enrollment of Brownian and thermophoretic aspects is worked out. Nonlinear expressions are altered to ordinary ones via sufficient transformation. Optimal homotopy analysis method (OHAM) is used to develop the convergent solution. The justified contribution of parameters is physically deliberated. Velocity field has reverse trend versus relaxation and retardation times parameter. Higher magnetic variable reduces velocity. Larger Eckert number augments temperature. Temperature is augmented against thermophoresis variables. Concentration decays for larger Schmidt number. Thermophoresis and Brownian motion parameters have opposite behaviors for concentration distribution. The obtained results present novel applications in the heat transfer systems, thermal processes, crystal formation, polymer industries, metallurgy processes, MHD pumps, etc.