Abstract
This paper investigates the problem of hydrodynamic boundary layer flow and heat transfer of a dusty fluid over an unsteady stretching surface. The study considers the effects of frictional heating (viscous dissipation) and internal heat generation or absorption. The basic equations governing the flow and heat transfer are reduced to a set of non-linear ordinary differential equations by applying suitable similarity transformations. The transformed equations are numerically solved by the Runge-Kutta-Fehlberg-45 order method. An analysis is carried out for two different cases of heating processes, namely, variable wall temperature (VWT) and variable heat flux (VHF). The effects of various physical parameters such as the magnetic parameter, the fluid-particle interaction parameter, the unsteady parameter, the Prandtl number, the Eckert number, the number density of dust particles, and the heat source/sink parameter on velocity and temperature profiles are shown in several plots. The effects of the wall temperature gradient function and the wall temperature function are tabulated and discussed.
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Project supported by the Major Research Project of Department of Science and Technology (DST) of New Delhi (No. SR/S4/MS:470/07, 25-08-2008)
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Gireesha, B.J., Roopa, G.S. & Bagewadi, C.S. Effect of viscous dissipation and heat source on flow and heat transfer of dusty fluid over unsteady stretching sheet. Appl. Math. Mech.-Engl. Ed. 33, 1001–1014 (2012). https://doi.org/10.1007/s10483-012-1601-9
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DOI: https://doi.org/10.1007/s10483-012-1601-9
Key words
- heat transfer
- boundary layer flow
- stretching surface
- dusty fluid
- viscous dissipation
- non-uniform heat source
- numerical solution