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Darcy's law
(redirected from Darcy law)

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Darcy's law  (därsz)
A law in geology describing the rate at which a fluid flows through a permeable medium. Darcy's law states that this rate is directly proportional to the drop in vertical elevation between two places in the medium and indirectly proportional to the distance between them. The law is used to describe the flow of water from one part of an aquifer to another and the flow of petroleum through sandstone and gravel.
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the fraction of filling) to be F = 1/V [integral of V] [Phi] dV (4) Eq 3 can be rewritten as V [Delta]F/[Delta]t = -[integral of S][Phi]u[multiplied by] n dS (5) and on using the Darcy law, Eq 2, this equation becomes [Mathematical Expression Omitted] It is reasonable to assume that pressure gradients are negligible in the empty cavity ahead of the filling front.
An algorithm for analysis of polymer filling of molds by Voller, V.R.; Peng, S. / Polymer Engineering and Science
 
 
 
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