Abstract
Study to analyze the MHD stagnation point flow of a Casson fluid over a nonlinearly stretching sheet with viscous dissipation was carried out. The partial differential equations governing this phenomenon were transformed into coupled nonlinear ordinary differential equations with suitable similarity transformations. These equations were then solved by finite difference technique known as Keller Box method. The various parameters such as Prandtl number (Pr), Eckert number (Ec), Magnetic parameter (M), Casson parameter (β) and non linear stretching parameter (n) determining the velocity and temperature distributions, the local Skin friction coefficient and the local Nusselt number governing such a flow were also analyzed. On analysis it was found that the Casson fluid parameter (β) decreased both the fluid velocity and temperature whereas an increase in (β) increased both the heat transfer rate and wall skin-friction coefficient.
Highlights
The study of boundary layer flow over a stretching sheet has been a great challenge for researchers and it has immense applications in various industrial processes such as extraction of polymer sheet, paper production, wire drawing, glass-fiber production etc
We have extended the works of Vajravelu [8] by considering magnetic field, stagnation point and viscous dissipation effects to the flow regime for more physical implications
The effects of different parameters like Stagnation point, MHD, viscous dissipation on velocity and temperature profiles has been clearly analyzed including with its physical quantities of significance
Summary
The study of boundary layer flow over a stretching sheet has been a great challenge for researchers and it has immense applications in various industrial processes such as extraction of polymer sheet, paper production, wire drawing, glass-fiber production etc. The flow of incompressible fluid over a linearly stretching sheet was first investigated by Crane [1]. The Mass Transfer with suction or blowing over a stretching sheet was investigated by Gupta and Gupta [2]. The heat transfer over a stretching sheet of a hydromagnetic flow has been studied by. (2016) MHD Stagnation Point Flow of a Casson Fluid over a Nonlinearly Stretching Sheet with Viscous Dissipation. The MHD flow characteristics over a stretching sheet of a viscoelastic fluid was demonstrated by Andersson [5]. Char [6] with mass transfer
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