Journal of Theoretical
and Applied Mechanics

55, 1, pp. 117-127, Warsaw 2017
DOI: 10.15632/jtam-pl.55.1.117

Radiative Falkner-Skan flow of Walter-B fluid with prescribed surface heat flux

Tasawar Hayat, Sumaira Qayyum, Maria Imtiaz, Ahmed Alsaedi
This article addresses the Falkner-Skan flow of an incompressible Walter-B fluid. Fluid flow
is caused by a stretching wedge with thermal radiation and prescribed surface heat flux.
Appropriate transformations are used to obtain the system of nonlinear ordinary differen-
tial equations. Convergent series solutions are obtained by the homotopy analysis method.
Influence of pertinent parameters on the velocity, temperature and Nusselt number are in-
vestigated. It is observed that by increasing the viscoelastic parameter, the fluid velocity
decreases. There is an enhancement of the heat transfer rate for the viscoelastic parameter
and power law index. It is also found that the Prandtl number and radiation parameter
decrease the heat transfer rate.
Keywords: Walter-B fluid, Falkner-Skan flow, prescribed surface heat flux, thermal radiation