A pendant drop tensiometry apparatus aided by video-image digitization technology was established, by which static interface or surface tension of some liquids was measured with satisfactory results.
测动态界面张力的方法[1] 很多 ,其中悬滴法 (滴外形法的一种 )有独特的优点[1] 。
The methods were capillary rise method,Wilhelmy plate method,pendent drop method,drop volume method,maximum bubble pressure method.
本文着重介绍了几种液体表面张力的测定方法(包括毛细管上升法、Wilhelmy盘法、悬滴法、滴体积法、最大气泡压力法),包括这几种方法的测定原理、优缺点及改进方法,特别指出了宽温度和压力范围的表面张力测定存在的问题,实验方法的选择及表面张力测定方法的发展趋势。
The methods were capillary rise method,maximum bubble pressure method,Wilhelmy plate /Du Nouy ring method,drop weight/drop volume method,oscillating jet method,spinning drop method and pendent drop method.
介绍了常见的几种测定表面张力的方法,包括毛细管上升法、最大气泡压力法、吊环法/吊片法、滴重法/滴体积法、振荡射流法、旋滴法和悬滴法,着重介绍了悬滴法用轴称滴形分析测定表面张力的进展。
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