EFFECT OF THICKNESS NON-HOMOGENEITY ON THE KINETIC BEHAVIOUR OF MICROSCOPIC FOAM FILM
作者:
Emil Manev,
Roumen Tsekov,
Boryan Radoev,
期刊:
Journal of Dispersion Science and Technology
(Taylor Available online 1997)
卷期:
Volume 18,
issue 6-7
页码: 769-788
ISSN:0193-2691
年代: 1997
DOI:10.1080/01932699708943771
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The effect of thickness non-homogeneity on the drainage of microscopic horizontal foam films was studied experimentally and theoretically. Quasi-static and asymmetrical distribution of thickness irregularities over the film surface was established in the experiment. This type of dimpling was modelled theoretically and employed to derive a new equation for the film thinning. It differs from the theoretical expressions known from the literature and is in better agreement with the experimentally determined functional dependence of thinning rate on film size.
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