Publicou 12 edições por ano
ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508
Indexed in
Combined Effect of Magnetic Field and Lateral Mass Transfer on Non-Darsy Axisymmetric Free Convection in a Power-Law Fluid Saturated Porous Medium
RESUMO
In this article, a boundary-layer analysis is presented to study the effect of transverse magnetic field of a non-Newtonian power-law fluid on non-Darcy axisymmetric free convection over a horizontal surface embedded in a porous medium in the presence of surface transpiration (lateral mass flux). The Ostwald-de Waele power-law model is used to characterize the non-Newtonian fluid behavior. Similarity solutions are obtained when the surface temperature varies as the square root of the radial distance or when heat flux is constant. The effects of the magnetic and non-Darcy parameters as well as the power-law index n and mass flux parameter on the velocity, temperature, and the boundary-layer thickness are shown on graphs. The numerical values of the rate of heat transfer through the boundary layer in terms of the Nusselt number are entered in a table.
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Goldstein R.J., Ibele W.E., Patankar S.V., Simon T.W., Kuehn T.H., Strykowski P.J., Tamma K.K., Heberlein J.V.R., Davidson J.H., Bischof J., Kulacki F.A., Kortshagen U., Garrick S., Srinivasan V., Ghosh K., Mittal R., Heat transfer—A review of 2004 literature, International Journal of Heat and Mass Transfer, 53, 21-22, 2010. Crossref
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Nield Donald A., Bejan Adrian, External Natural Convection, in Convection in Porous Media, 2017. Crossref
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Nield Donald A., Bejan Adrian, External Natural Convection, in Convection in Porous Media, 2013. Crossref