2003•Unpublished venueRequires access

EXPERIMENTAL STUDY ON DARCY′S LAW IN HELE-SHAW CELLS

Sun Jian-hong

Abstract

The basic physics of unsteady Hele-Shaw flow at high Reynolds numbers is mainly studied by an experimental measurement. In order to confirm the Darcy′s law in Hele-Shaw cell, since there is an analogy between flow in cells and that in porous media, progressive water waves are utilized to build an unsteady flow in a Hele-Shaw cell, and which complex wave number is measured by a wave height gauge. Meanwhile, theoretical analyses are used to compare with experimental data. Result shows Darcy′s Law is not exactly correct for unsteady Hele-Shaw flows, and it is expected to conduct a modified Darcy′s Law.

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Key concepts: Hele-Shaw flow, Darcy's law, Reynolds number, Porous medium, Mechanics, Flow (mathematics), Unsteady flow, Stokes flow