Convection Heat Transfer on a Vertical Surface in Porous Media

Anna A. Bocharova; Irina V. Plaksina

doi:10.4028/www.scientific.net/KEM.685.272

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 685Convection Heat Transfer on a Vertical Surface in...

Convection Heat Transfer on a Vertical Surface in Porous Media

Abstract:

Free convection on a vertical surface with Newtonian heating of the form proposed by Merkin (1994) in the fluid-filled porous medium is considered on the basis of the full equations of a viscous liquid. Using dimensional analysis a set of criteria that define the characteristics of flow and heat transfer was derived. Asymptotic analysis of the full equations allowed us to determine the region of applicability of the boundary layer approximation, which was used in the previous studies of this problem. Darcy parameter influence was studied; the composite numerical and analytical solution for stream function and temperature was derived.

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Periodical:

Key Engineering Materials (Volume 685)

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272-275

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.685.272

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Online since:

February 2016

Authors:

Anna A. Bocharova, Irina V. Plaksina

Keywords:

Asymptotic Analysis, Free Convection, Porous Media

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References

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DOI: 10.1016/s0017-9310(98)00251-8

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