Flow channelling in a single fracture induced by shear displacement

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dc.creatorAuradou, Harold
dc.creatorDrazer, German
dc.creatorBoschan, Alexandro
dc.creatorHulin, Jean-Pierre
dc.creatorKoplik, Joel
dc.date2006-03-08
dc.date2006-08-28
dc.date.accessioned2026-07-07T07:55:10Z
dc.date.available2026-07-07T07:55:10Z
dc.descriptionThe effect on the transport properties of fractures of a relative shear displacement $\vec u$ of rough walls with complementary self-affine surfaces has been studied experimentally and numerically. The shear displacement $\vec u$ induces an anisotropy of the aperture field with a correlation length scaling as $u$ and significantly larger in the direction perpendicular to $\vec u$. This reflects the appearance of long range channels perpendicular to $\vec u$ resulting in a higher effective permeability for flow in the direction perpendicular to the shear. Miscible displacements fronts in such fractures are observed experimentally to display a self affine geometry of characteristic exponent directly related to that of the rough wall surfaces. A simple model based on the channelization of the aperture field allows to reproduces the front geometry when the mean flow is parallel to the channels created by the shear displacement.
dc.identifierhttps://arxiv.org/abs/physics/0603058
dc.identifierhttp://arxiv.org/abs/physics/0603058
dc.identifiergeothermics 35 (2006) 576 - 588
dc.identifierdoi:10.1016/j.geothermics.2006.11.004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/126875
dc.subjectFluid Dynamics
dc.titleFlow channelling in a single fracture induced by shear displacement
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