Liquid flow through aqueous foams: From the plateau border-dominated regime to the node-dominated regime

被引：100

作者：

Durand, M ^{[1
]}

Martinoty, G ^{[1
]}

Langevin, D ^{[1
]}

机构：

[1] Ctr Univ Paris Sud, Lab Phys Solide, F-91405 Orsay, France

来源：

PHYSICAL REVIEW E | 1999年 / 60卷 / 06期

关键词：

D O I：

10.1103/PhysRevE.60.R6307

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：

The velocity of gravity-driven flow through aqueous foams (forced drainage) has been determined by using electrical conductivity measurements in foams made with solutions of different surfactants. There is always a scaling behavior (power law) between the drainage velocity V and the imposed flow rate Q: V similar to Q(alpha), but the alpha. coefficient varies between the different surfactant solutions and increases with surface viscosity. An explanation of this behavior will be given in terms of a transition between a node-dominated and a Plateau border-dominated viscous dissipation, for which theory predicts respectively alpha=1/3 and alpha=1/2. [S1063-651X(99)51612-7].

引用

页码：R6307 / R6308

页数：2

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