激光诱导荧光技术测量规整填料内的液体分布

doi:10.3969/j.issn.0438-1157.2014.09.004

化工学报 ›› 2014, Vol. 65 ›› Issue (9): 3331-3339.DOI: 10.3969/j.issn.0438-1157.2014.09.004

激光诱导荧光技术测量规整填料内的液体分布

张会书¹, 袁希钢¹, Kalbassi Mohammad Ali²

1 化学工程联合国家重点实验室（天津大学）, 天津 300072;
2 Air Products Public Limited Company, Walton on Thames, UK

收稿日期:2014-05-04 修回日期:2014-06-18 出版日期:2014-09-05 发布日期:2014-09-05
通讯作者: 袁希钢

Laser induced fluorescence technique for measuring liquid distribution in structured packing

ZHANG Huishu¹, YUAN Xigang¹, KALBASSI Mohammad Ali²

1 State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China;
2 Air Products Public Limited Company, Walton on Thames, UK

Received:2014-05-04 Revised:2014-06-18 Online:2014-09-05 Published:2014-09-05

摘要/Abstract

摘要： 介绍了利用激光诱导荧光技术（LIF）测量规整填料内的液体分布的实验方法，实现了液体分布的可视化，得到了液膜厚度和持液量等定量信息。利用LIF技术分别测量了3种物系在750Y型规整填料的实验装置内的液体分布。结果表明，表面张力和黏度都对填料表面上的液体分布有影响，但表面张力对液膜厚度和持液量的影响较大，是主要影响因素。

关键词: 激光诱导荧光技术, 可视化, 液膜厚度, 持液量, 分布, 界面张力, 黏度

Abstract: Laser induced fluorescence (LIF) technique was used to perform experiments of liquid distribution in corrugated structured Perspex packing. The technique was based on continuous detection of intensity of fluorescence change. In order to validate the feasibility of this method, liquid distributions of three systems in 750Y corrugated structured packing were investigated. The LIF technique was very useful not only for the identification of liquid distribution, but also for quantification of liquid film thickness and liquid hold up on the structured packing surface. Both interfacial tension and viscosity of experimental systems could affect liquid distribution but interfacial tension's influence was more remarkable.

Key words: laser induced fluorescence (LIF), visualization, liquid film thickness, liquid hold up, distributions, interfacial tension, viscosity

中图分类号:

TQ028

张会书, 袁希钢, Kalbassi Mohammad Ali. 激光诱导荧光技术测量规整填料内的液体分布[J]. 化工学报, 2014, 65(9): 3331-3339.

ZHANG Huishu, YUAN Xigang, KALBASSI Mohammad Ali. Laser induced fluorescence technique for measuring liquid distribution in structured packing[J]. CIESC Journal, 2014, 65(9): 3331-3339.

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激光诱导荧光技术测量规整填料内的液体分布

Laser induced fluorescence technique for measuring liquid distribution in structured packing

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