Resumo

ABBAS, Z.; SHEIKH, M.  e  SAJID, M.. Diffusion of chemically reactive species in stagnation point flow of a micropolar viscoelastic fluid in a porous medium over a stretching/shrinking sheet. Rev. mex. fis. [online]. 2016, vol.62, n.4, pp.351-361. ISSN 0035-001X.

The transfer of chemically reactive species in stagnation point flow of a laminar micropolar viscoelastic fluid immersed in a porous medium over a stretching/shrinking surface is considered. The reactive species diffused into the fluid from the surface undergo a one stage isothermal and homogenous reaction. A similarity transformation is employed to transform the developed partial differential equations into a system of coupled ordinary differential equations. A convergent series solution is developed using homotopy analysis method in the whole spatial region (0 ≤ η ≤ ∞). The obtained solutions for velocity, microrotation and concentration of species are analysed for various emerging parameters through graphs and tables.

Palavras-chave : Micropolar viscoelastic fluid; porous medium; stagnation-point flow; stretching/shrinking sheet; chemically reactive species.

        · texto em Inglês     · Inglês ( pdf )