Journal
TRANSPORT IN POROUS MEDIA
Volume 137, Issue 3, Pages 603-612Publisher
SPRINGER
DOI: 10.1007/s11242-021-01578-2
Keywords
Darcy– Brinkman; Screen; Anisotropy; Drag
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This passage discusses a screen composed of in-plane thin strips embedded in a porous medium, and describes the effects of anisotropy on flow and screen drag. The governing equation is fourth order and solutions are found through eigenfunction superposition and point match. Extrapolation yields fundamental results for the drag of a single slat in an anisotropic porous medium.
A screen composed of in-plane thin strips is embedded in a porous medium. The screen is either normal or parallel to the applied pressure gradient which forces a flow through the anisotropic porous medium. The principal axes of anisotropy are assumed to be aligned with that of the screen. The governing equation is fourth order and cannot be factored as in the isotropic case. The solutions are found by eigenfunction superposition (with complex eigenvalues) and point match. Anisotropy has first-order effects on the flow and the drag on the screen. Extrapolation yields fundamental results for the drag of a single slat in an anisotropic porous medium.
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