Viscoelastic MHD flow boundary layer over a stretching surface with viscous and ohmic dissipations. (English) Zbl 1258.76194
Summary: In this study the momentum and heat transfer characteristics in an incompressible electrically conducting viscoelastic boundary layer fluid flow over a linear stretching sheet are considered. Highly non-linear momentum and thermal boundary layer equations are reduced to set of nonlinear ordinary differential equations by appropriate transformation.
Optimal homotopy asymptotic method (OHAM) is used to evaluate the temperature and velocity profiles of the problem. Runge-Kutta numerical solution is used to show the validity of OHAM. Finally the effects of some important parameters such as Hartmann number, viscoelastic parameter and Prandtl number on boundary layer behaviour are discussed by several figures.
Optimal homotopy asymptotic method (OHAM) is used to evaluate the temperature and velocity profiles of the problem. Runge-Kutta numerical solution is used to show the validity of OHAM. Finally the effects of some important parameters such as Hartmann number, viscoelastic parameter and Prandtl number on boundary layer behaviour are discussed by several figures.
MSC:
| 76W05 | Magnetohydrodynamics and electrohydrodynamics |
| 76A10 | Viscoelastic fluids |
| 80A20 | Heat and mass transfer, heat flow (MSC2010) |
Keywords:
boundary layer flow; heat transfer; viscoelastic boundary layer; linear stretching sheet; optimal homotopy asymptotic method (OHAM)References:
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