BUOYANCY-DRIVEN FLUID MIGRATION IN POROUS-MEDIA

被引：105

作者：

FRETTE, V ^{[1
]}

FEDER, J ^{[1
]}

JOSSANG, T ^{[1
]}

MEAKIN, P ^{[1
]}

机构：

[1] DUPONT CO, DEPT CENT RES & DEV, WILMINGTON, DE 19880 USA

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.68.3164

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The slow upward migration, due to buoyancy, of a nonwetting fluid through a saturated, three-dimensional porous medium has been studied experimentally, and by computer simulations. The height h of the invading fluid structure is proportional to the mass M of the invading fluid. The linear mass density S = M/h is found to scale with the dimensionless Bond number Bo (ratio of buoyancy and capillary forces) as S = A\Bo\-alpha, with alpha = 0.72 +/- 0.06, consistent with theory and simulations. A noisy behavior in h(M) results from dynamical processes such as snapoffs and bursts.

引用

页码：3164 / 3167

页数：4

共 20 条

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