Radiative magnetodydrodynamic cross fluid thermophysical model passing on parabola surface with activation energy

Abstract

The proposed work is significantly important due to its applications in manufacturing process of submarine, bullets and aircrafts, and many more engineering and industrial works such as cooling and heating processes and chemical works. The purpose of this article is to scrutinize the flow, heat and mass transferal rate for the boundary layer flow of non-Newtonian fluid with variable fluid characteristics on the radiative paraboloid surface. The non-Newtonian fluid which is under consideration is Cross fluid model which is generalized Newtonian fluid and it acts as a shear thickening and thinning. For the sake of heat and mass transport, we have considered the activation energy and thermal radiation effects. The governing equations of considered fluid model occurred in the PDEs form and then transmuted into ODEs form by using similarity variables. The graphical behavior in terms of velocity field is noted due to viscosity parameter and Hartmann number which shows drops behavior in velocity profile. The impact of thermal radiation and thermal conductivity coefficients is noted here and concluded that both quantities creates enhancement in temperature field. The concentration transfer rate is observing for activation energy, reaction rate coefficient and mass diffusion parameters. Activation energy and mass diffusion coefficient improves the concentration rate while reaction rate diminishes the concentration layer thickness. The result of varying the Weissenberg number upon the skin friction is also analyzed. Also the comparison analyses with published articles are presented.

Keywords

• Thermal radiation
• Cross fluid
• Activation energy
• Paraboloid surface
• Variable fluid properties