Drainage of the air-water-quartz film: experiments and theory

被引：45

作者：

Manica, Rogerio ^{[1
]}

Chan, Derek Y. C. ^{[1
,2
,3
]}

机构：

[1] Inst High Performance Comp, Singapore 138632, Singapore

[2] Univ Melbourne, Dept Math & Stat, Parkville, Vic 3010, Australia

[3] Natl Univ Singapore, Dept Math, Singapore 117543, Singapore

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2011年 / 13卷 / 04期

基金：

澳大利亚研究理事会;

关键词：

AQUEOUS FILM; DYNAMIC INTERACTIONS; DEFORMABLE DROPS; SURFACE FORCES; FLUID DROP; BUBBLE; VELOCITY;

D O I：

10.1039/c0cp00677g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Experimental results of the kinetics of drainage of the trapped water film between an approaching air bubble and a quartz plate have been analysed using recent theoretical advances in formulating and solving the flow problem in deformable films. Excellent agreement is obtained between experimental data and a model that assumes the bubble-water interface is tangentially immobile in its hydrodynamic response. The coupling between hydrodynamic pressure, disjoining pressure and film deformation is critical in determining the dynamic behaviour of the drainage process. The Reynolds parallel film model that omits the effects of film deformation predicts results that are qualitatively incorrect.

引用

页码：1434 / 1439

页数：6

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