Nanofluid Boundary Research Paper

Thermal Radiative effects on MHD Casson Nanofluid Boundary Layer over a Moving Surface

Hassan. N. Ismail*, Adel A. Megahed**, M. S. Abdel-wahed*,x and M. Omama*

* Basic Engineering sciences department , Faculty of Engineering at Benha, Benha University

** Basic Engineering sciences department , Faculty of Engineering at Cairo, Cairo University xE-mail: [e-mail] Abstract: The present paper investigated the characteristics of flow and heat transfer of a Casson nanofluid boundary layer over a continuous moving surface subjected to thermal radiation and magnetic field. Nanosize particles (CuO, Ag , and Al_2 O_3) are tested. Method of similarity transformation used to convert the governing equations of the boundary layer to a nonlinear

yield stress is exhibits in Casson fluid. Casson fluid is known as a shear thinning fluid which is assumed to be infinity viscosity at a shear rate equal zero, and the yield stress without any flow occurs, A zero viscosity is at a shear rate of infinity. If a yield stress is more than shear stress is applied to the fluid, it acts like a solid, While if the yield stress is less than shear stress applied, it begins to move. Casson fluid Examples are of the type as follows: honey, jelly, soup, concentrated fruit juices, tomato sauce, etc. Human blood can also be considered as a Casson fluid. Studied a boundary layer of a flow of MHD Casson fluid flow around a stretched sheet Hayat et al. [16].An analytical solution of a flow of MHD Casson fluid around a permeable stretching sheet reported by Bhattacharyya et al. [17].An analytical solution of a flow of MHD Casson fluid and heat transfer past a stretching sheet obtained by Nandy [18]. A similarity solutions of a flow of MHD Casson fluid past a accessible shrinking sheet studied by Thiagarajan [19]. Recently, A flow of an unsteady Casson fluid over a stretching surface with thermal radiation and cross diffusion studied chemical reacting Numerically by Pushpalatha [20]. Imran et al [21] investigated the casson fluid MHD convective flows have a slip and a radiative heat transfer on the