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Approximate Analytical Solutions for the Nonlinear Brinkman-Forchheimer-Extended Darcy Flow Model
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Applied Mathematics·Volume 02 (2011)·Pages 1432–1436·Published 5 December 2011·DOI10.4236/am.2011.212202
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Abstract
New approximate analytical solutions for steady flow in parallel-plates channels filled with porous materials governed by non-linear Brinkman-Forchheimer extended Darcy model for three different physical situations are presented. These results are compared with those obtained from an implicit finite-difference solution of the corresponding time dependent flow problem. It is seen that the time dependent flow solutions yield the almost same steady state values as obtained by using the new approximate analytical solutions
KeywordsNon-LinearDarcyTime Dependent FlowSteady State
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