Abstract
This paper is formulated to examine binary chemical reaction and activation energy on MHD bioconvection of a steady incompressible viscous nanofluid with suspended gyrotactic micro-organisms that has the ability to be motile and to be placed over a non-Darcian porous medium. Thermal radiation, activation energy, and binary chemical reaction are incorporated into it. Similarity transformation plays a propitious role in transforming governing equations into ODEs. The computational procedure of the fifth-order RK-Fehlberg scheme using the shooting method is utilized and the influences of physical parameters on hydrodynamic, thermal, solutal, and density of motile micro-organism boundary layer are analyzed. Main findings include enhancement of the Peclet number and micro-organisms’ difference parameters for the density of micro-organism profile while it declines for the bioconvection Lewis number. Thermophoresis parameter enhanced for temperature profile, whereas the reverse trend is observed for activation energy parameter for concentration profile. Also, comparative studies for skin friction and the Nusselt number were done to validate the present code excellently.
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