How Topological Rearrangements and Liquid Fraction Control Liquid Foam Stability

被引：87
作者：
Biance, Anne-Laure [1 ,2 ]
Delbos, Aline [3 ]
Pitois, Olivier [3 ]
机构：
[1] Univ Lyon, F-69000 Lyon, France
[2] Univ Lyon 1, CNRS, UMR 5586, Lab PMCN, F-69622 Villeurbanne, France
[3] Univ Paris Est, CNRS, FRE 3300, Lab Phys Mat Divises & Interfaces, F-77454 Marne La Vallee 2, France
来源：
PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 06期
关键词：
FILMS; COALESCENCE; THICKNESS; DRAINAGE; FLOW;
D O I：
10.1103/PhysRevLett.106.068301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The stability of foam is investigated experimentally through coalescence events. Instability (coalescence) occurs when the system is submitted to external perturbations (T1) and when the liquid amount in the film network is below a critical value. Microscopically, transient thick films are observed during film rearrangements. Film rupture, with coalescence and eventual collapse of the foam, occurs when the available local liquid amount is too small for transient films to be formed. Similar experiments and results are shown in the two-bubble case.
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页数：4
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