MEASUREMENT OF FOAM DENSITY PROFILES USING AC CAPACITANCE

被引:47
作者
HUTZLER, S [1 ]
VERBIST, G [1 ]
WEAIRE, D [1 ]
VANDERSTEEN, JA [1 ]
机构
[1] AMSTERDAM SHELL RES BV,KONINKLIJKE SHELL LAB,1003 AA AMSTERDAM,NETHERLANDS
来源
EUROPHYSICS LETTERS | 1995年 / 31卷 / 08期
关键词
D O I
10.1209/0295-5075/31/8/013
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The dynamics of foam drainage (free, forced and pulsed) is monitored by the determination of local liquid density using a vertical array of capacitors. Liquid profiles are obtained for various drainage experiments. The merging of two solitary waves is in good agreement with theoretical predictions. Such capacitance measurements offer a convenient practical technique for characterising the more general properties of non-conducting foams.
引用
收藏
页码:497 / 502
页数:6
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