✦ LIBER ✦

Study of shear thinning fluid flow through highly permeable porous media

✍ Scribed by M. Parvazinia; V. Nassehi

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 280 KB
Volume: 33
Category: Article
ISSN: 0735-1933
DOI: 10.1016/j.icheatmasstransfer.2005.12.004

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✦ Synopsis

The Brinkman equation is used to model the flow of power-law fluids in a highly permeable porous medium. Isothermal flow of shear thinning fluids in a porous medium between two impermeable parallel walls at different Darcy parameters (Da) and powerlaw index is studied. Both finite element method and analytical solutions are applied to solve the Brinkman equation. The analytical solution is based on a trial and error procedure. This solution reveals a channelling in the flow regime within the thin near walls boundary layer. Finite element solution is, in general, unstable but can be stabilised for a limited rang of Darcy parameter and power-law index.

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