Abstract
This article discusses the mixed convection flow of a non-Newtonian FENE-P polymeric fluid past a Riga plate and examines how the Lorentz force responds to temperature and nanoparticle concentration fluxes. The mathematical model considers the Grinberg-term for the wall parallel Lorentz force induced by the Riga plate as well as the Brownian motion and thermophoresis effects caused by chemically reactive nanofluid. The governing boundary layer equations are transformed by applying the strong suction condition. We numerically solve the problem using MATLAB package bvp4c based on finite-difference scheme to investigate physical parameters of interest like skin friction coefficient, Nusselt number, and Sherwood number. Polymers are explored as a potential agent for controlling velocity. The flow-aiding and flow-opposing Lorentz forces can be used to regulate the magnitude of skin friction, Nusselt, and Sherwood numbers, respectively which is significant in engineering and industrial applications. There is also a thorough explanation of nanoparticle concentration and polymers' role as drag coefficient, heat, and mass transfer rates control. Drag reduction is observed in the case of opposing flow mechanism and polymers inclusion.
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