TEMPORAL SCALING OF INTERFACES PROPAGATING IN POROUS-MEDIA

被引：82

作者：

HORVATH, VK ^{[1
]}

STANLEY, HE ^{[1
]}

机构：

[1] BOSTON UNIV,DEPT PHYS,BOSTON,MA 02215

来源：

PHYSICAL REVIEW E | 1995年 / 52卷 / 05期

关键词：

D O I：

10.1103/PhysRevE.52.5166

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

To better understand the temporal behavior of a roughening meniscus driven by capillary forces during the imbibition of a viscous fluid in porous media, we measure the height-height autocorrelation function C(t) using a constant driving force. We find C(t) similar to t(b)eta, with beta = 0.56 +/- 0.03, and provide experimental evidence for driving the force independent temporal scaling behavior of a propagating wetting front in the presence of quenched noise. We interpret the value of beta in terms of the possibility that the dynamics may be governed by nonvanishing nonlinearity due to anisotropic depinning.

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页码：5166 / 5169

页数：4

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