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

页码：1388 / 1394

页数：7

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