Investigations of nonlinear thermal radiation, electric field, chemical reaction, as well as viscous dissipation on the flow of MHD natural convection incompressible nano-fluid along a vertical flat plate in presence of activation energy are our present goal. Applying dimensional analysis, higher order terms are neglected from Navier-Stokes’ equations, this type of Prandtl boundary layer Partial differential equations (PDEs) are considered as the governing equations. Transformed a set of PDEs to a set of Ordinary differential equations (ODEs) by introducing dimensionless similarity variable and similarity functions and then solved numerically by bvp4c/ bvp5c with MATLAB software. Considering various values of the non-dimensional physical quantities, the outcomes of numerical solutions may be plotted and displayed in the form of flow velocity, heat, and mass profiles. The shearing stress, the rate of thermal transfer and the rate of concentration transfer in the wall are calculated and displayed in the table. The effects of chemical reaction, activation energy, nonlinear thermal radiation, electric field, suction/injection, thermal dissipation on physical properties of the flow such as the velocity, the temperature and mass are investigated. Comparisons of the outcomes by numerical solution are presented in tabular form which highlights the validity of our numerical calculations adopted for the present study.
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