Ejection of Droplets from a Bursting Bubble on a Free Liquid Surface-A Dimensionless Criterion for "Jet" Droplets

被引：9
作者：
Mead-Hunte, Ryan [1 ,2 ]
Gumulya, Monica M. [3 ]
King, Andrew J. C. [2 ,4 ]
Mullins, Benjamin J. [1 ,2 ]
机构：
[1] Curtin Univ, Sch Publ Hlth, Occupat Environm & Safety, Perth, WA 6845, Australia
[2] Curtin Univ, Fluid Dynam Res Grp, Perth, WA 6845, Australia
[3] Curtin Univ, Western Australian Sch Mines Minerals Energy & Ch, Perth, WA 6845, Australia
[4] Curtin Univ, Sch Civil & Mech Engn, Perth, WA 6845, Australia
来源：
LANGMUIR | 2018年 / 34卷 / 21期
基金：
澳大利亚研究理事会;
关键词：
DROPS; BIRTHS;
D O I：
10.1021/acs.langmuir.8b00664
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This work examines the ejection of droplets from a bursting gas bubble on a free liquid surface, both experimentally and numerically. We explore the physical processes which govern the bursting of bubbles and the subsequent formation of "jet" droplets. We present new relationships regarding the dependence of jet drop formation on bubble diameter. Furthermore, we propose a new dimensionless parameter to describe the region of properties where "jet" drops will occur. This parameter, termed the droplet number (D-n), complements existing parameters defining jet drop formation, namely, a maximum Ohnesorge number and a maximum Bond number.
引用
收藏
页码：6307 / 6313
页数：7
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