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Mathematical Sciences Letters
An International Journal


Volumes > Vol. 7 > No. 1


Dissipation Effect on MHD Stagnation-Point Flow of Casson Fluid Over Stretching Sheet Through Porous Media

PP: 13-20
Satya Ranjan Mishra, Asmat Ara, Najeeb Alam Khan,
The present study analyses the stagnation-point flow over a stretching sheet embedded in a porous medium. The plane stagnation-point flow is a class of flow problem which involves two-dimensional flow. The present study develops a mathematical model of a non-Newtonian flow of Casson fluid. The novelty of the present study is to account for the effect of permeability of the medium as well as energy loss due to Julian dissipation. A linear Darcian model is used to model the flow through porous media, whereas the non-linear term in energy equation accounts for the Joulian dissipation. Some interesting outcomes of the present study are the presence of porous matrix, which enhances the velocity thereby contributing to the growth of boundary layer and accelerates the momentum diffusion through larger fluid layers, whereas Julian dissipation is counterproductive for the growth of thermal boundary layer i.e. moderately large Eckert number produces thinner boundary layer.

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