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2 International Journal of Applied Mechanics and Engineering

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An unsteady flow and melting heat transfer of a nanofluid over a stretching sheet embedded in a porous medium

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Kumar K. G. , Gireesha B. J. , Rudraswamy N. G. , Krishnamurthy M. R.

tom Vol. 24, no. 2

245--258

An unsteady flow and melting heat transfer of a nanofluid over a stretching sheet was numerically studied by considering the effect of chemical reaction and thermal radiation. The governing non-linear partial differential equations describing the flow problem are reduced to a system of non-linear ordinary differential equations using the similarity transformations and solved numerically using the Runge–Kutta–Fehlberg fourth–fifth order method. Numerical results for concentration, temperature and velocity profiles are shown graphically and discussed for different physical parameters. Effect of pertinent parameters on momentum, temperature and concentration profiles along with local Sherwood number, local skin-friction coefficient and local Nusselt number are well tabulated and discussed.

Scrutinization of Joule heating and viscous dissipation on MHD flow and melting heat transfer over a stretching sheet

100%

Kumar K. G. , Gireesha B. J. , Manjunatha S.

tom Vol. 23, no. 2

429--443

The present paper deals with an analysis of the combined effect of Joule heating and viscous dissipation on an MHD boundary layer flow and melting heat transfer of a micro polar fluid over a stretching surface. Governing equations of the problem are transformed into a set of coupled nonlinear ordinary differential equations by applying proper transformations and then they are solved numerically using the RKF-45 method. The method is verified by a comparison with the established results with limiting solution. The influence of the various interesting parameters on the flow and heat transfer is analyzed in detail through plotted graphs.