Visualization of Mass Transfer during Droplet Formation

被引：8
|
作者：
Heine, Jens Stefan [1 ]
Bart, Hans-Joerg [1 ]
机构：
[1] TU Kaiserslautern, Chair Separat & Technol, Gottlieb Daimler Str 44,POB 3049, D-67653 Kaiserslautern, Germany
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2019年 / 42卷 / 07期
关键词：
Droplet formation; Interfacial phenomena; Laser induces fluorescence; Marangoni convection; Mass transfer; LASER-INDUCED FLUORESCENCE; SINGLE-DROP; VELOCITY; INSTABILITIES; TEMPERATURE; SYSTEMS; LIF;
D O I：
10.1002/ceat.201800706
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The impact of mass transfer in liquid-liquid extraction during droplet formation in a quiescent continuous phase was investigated. The impact of droplet size, concentration, and formation rate on a hanging droplet was analyzed via laser induced fluorescence (LIF) using rhodamine 6G as tracer in the system of toluene and acetone in water. The droplet formation rate has a major impact on mass transfer and the mixing pattern inside the droplet. Very fast mass transfer induced by Marangoni convection was visualized at a high local resolution independently of concentration and formation rate.
引用
收藏
页码：1388 / 1394
页数：7
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