COALESCENCE BETWEEN SMALL BUBBLES OR DROPS

李佟茗

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COALESCENCE BETWEEN SMALL BUBBLES OR DROPS

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- COALESCENCE BETWEEN SMALL BUBBLES OR DROPS
- CIESC Journal Issue 1, (1994)
- 作者机构：
  
  天津大学化工系,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q02
- Online First：25 February 1994，
  
  Published：25 February 1994
- 稿件说明：
移动端阅览
李佟茗. COALESCENCE BETWEEN SMALL BUBBLES OR DROPS[J]. CIESC Journal, 1994, (1).
DOI：

李佟茗. COALESCENCE BETWEEN SMALL BUBBLES OR DROPS[J]. CIESC Journal, 1994, (1). DOI：

摘要

对2个小气泡或小液滴之间的聚并进行了动力学分析

并考虑范德华力的影响

得到了界面无切向运动时气泡或液滴聚并所需时间与气泡直径、流体主体和界面性质的关系。

Abstract

When two small drops or bubbles approach each other

a dimpled thin film is formed between them. A model is developed for the dynamics of the thinning film with tangential immobile interfaces

in which the London-van der Waals forces are taken into consideration. The model predicts the coalescence time

which is the time required for the thinning and rupture of the liquid film

by giving only the radii of the two drops and the required physical properties of the bulk fluid and interface. A more general expression for coalescence time is derived. The predicted result is in good agreement with previous experimental results.

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