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Proceedings of CHT-17 ICHMT International Symposium on Advances in Computational Heat Transfer
May 28 - June 1, 2017, Napoli, Italy

DOI: 10.1615/ICHMT.2017.CHT-7


ISBN Print: 9781-56700-4618

ISSN: 2578-5486

VISCOUS DISSIPATION EFFECT FOR DOUBLE DIFFUSIVE FREE CONVECTION FLOW ALONG A VERTICAL PLATE EMBEDDED IN A POROUS MEDIUM SATURATED WITH A NANOFLUID

pages 693-704
DOI: 10.1615/ICHMT.2017.CHT-7.700
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SINOPSIS

A numerical analysis was performed to study the effects of combined double diffisive and viscous dissipation under non-uniform wall boundary conditions over a semi-infinite vertical plate embedded in a non-Darcy porous medium. Coupled heat and mass transfer of free convective boundary layer with viscous nanofluid are considered. The model used for the nanofluid includes the effects of Brownian motion and thermophoresis mechanisms, while the Darcy-Forchheimer model is used for the porous medium. The governing partial differential equations are transformed into the ordinary differential equations using an appropriate similarity transformations and the resulting system of equations is then solved numerically by the finite-difference method via bvp4c solver. In order to get a clear on the physics of the problem, a parametric study is performed and obtained results highlights how the governing parameters affects the heat and fluid flow in terms of local Nusselt and Sherwood numbers.

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