Abstract
An unsteady flow of heat and species transport through a porous medium in an infinite movable vertical permeable flat surface is considered. The hydromagnetic chemical reactive fluid flow is stimulated by the thermal and solutant convection, and propelled by the movement of the surface. The formulated nonlinear flow equations in time space are solved analytically by asymptotic expansions to obtain solutions for the flow momentum, energy and chemical concentration for various thermo-physical parameters. The existence of flow characteristic is defined with the assistance of the flow parameters. In the study, the impact of some pertinent flow terms is reported and discussed. The study revealed that the species boundary layer increases with a generative chemical reaction and decreases with a destructive chemical reaction. Also, arise in the generative species reaction term reduces the flow momentum for the cooling surface. The impact of other flow governing parameters is displayed graphically as well as the fluid wall friction, wall energy and species gradients. The results of this study are important in chemical thermal engineering for monitoring processes to avoid solution blow up.
Highlights
The flow of convective solutant and thermal buoyancy fluid through a porous vertical surface is getting substantial responsiveness from several scientists because of its diverse usefulness in the area of geophysical and cosmical sciences
The present study examines the flow of chemical diffusion in a porous medium with thermal and species convection in a vertical medium
Flow concentration enhances with a rise in the chemical generative reaction and diminishes for the destructive chemical reaction
Summary
The flow of convective solutant and thermal buoyancy fluid through a porous vertical surface is getting substantial responsiveness from several scientists because of its diverse usefulness in the area of geophysical and cosmical sciences. Fluid flow over an oscillating vertical surface has numerous technological and industrial applications. In a very essential sense, an oscillatory motion can be seen as an expression of a transient free surface fluid motion influenced by gravitational forces. Transient flow with free surface deformation can be seen as a type of oscillating flow, Salawu et al [8, 9]. Considering composite forces in the fluids motion, the internal motions of the fluid particles and the geometry of the free surface show the effect of the interface between force of gravity and Transient heat and mass transfer of hydromagnetic
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