Partial coalescence of soap bubbles

被引：16

作者：

Pucci, G. ^{[1
,2
]}

Harris, D. M. ^{[2
]}

Bush, J. W. M. ^{[2
]}

机构：

[1] Univ Calabria, Dept Phys, I-87036 Arcavacata Di Rende, Italy

[2] MIT, Dept Math, Cambridge, MA 02139 USA

来源：

PHYSICS OF FLUIDS | 2015年 / 27卷 / 06期

关键词：

DROP COALESCENCE; INTERFACES;

D O I：

10.1063/1.4923212

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We present the results of an experimental investigation of the merger of a soap bubble with a planar soap film. When gently deposited onto a horizontal film, a bubble may interact with the underlying film in such a way as to decrease in size, leaving behind a smaller daughter bubble with approximately half the radius of its progenitor. The process repeats up to three times, with each partial coalescence event occurring over a time scale comparable to the inertial-capillary time. Our results are compared to the recent numerical simulations of Martin and Blanchette ["Simulations of surfactant effects on the dynamics of coalescing drops and bubbles," Phys. Fluids 27, 012103 ( 2015)] and to the coalescence cascade of droplets on a fluid bath. (C) 2015 AIP Publishing LLC.

引用

页数：6

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