Abstract
Flows across porous medium have vital roles due to their implementations in the fields of biology and environmental systems. The objective of the current article is to investigate the forced convection of magnetized Eyring-Powell nanofluid flow in a porous medium above a Riga surface through nonsimilar modeling. The current model assumes viscous dissipation, activation energy, chemical reaction, heat generation, and convective boundary conditions. The Riga plate is presented as an electromagnetic actuator based on permanent magnets and recurring conducts of electrodes placed on the plane of the sheet. In nonsimilar flows, the basic quantities vary in the flow direction. The system describing Eyring-Powell models are transmuted into dimensionless nonsimilar form by the utilization of nonsimilar transformations. The nonsimilar system is analytically simulated by employing local nonsimilarity (LNS) up to the second order of iteration and numerically via bvp4c. It is explored that the temperature field represents an escalating manner for distinct variations of Eckert number and radiation parameter. The modified Hartman number and Eckert number enhances both velocity and temperature. The Eckert number expands the concentration portrayal of nanoparticles. Furthermore, the thermophoresis and Brownian factors of nanofluid with activation energy are investigated. The shear stress of the wall expands for the values of the Eyring-Powell parameter and modified Hartmann number. The values of flow, heat, and mass transfer rate for distinct parameters are also illustrated in tables. In limited cases, excellent agreement is found between the present work and published articles.
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