文献类型：期刊文献

中文题名：液滴撞击平板的铺展特征

英文题名：Characteristic Phenomenon and Analysis of a Single Liquid Droplet Impacting on Dry Surfaces

作者：陆军军[1];陈雪莉[1];曹显奎[1];刘海峰[1];于遵宏[1]

机构：[1]华东理工大学煤气化教育部重点实验室,上海200237

年份：2007

卷号：23

期号：6

起止页码：505

中文期刊名：化学反应工程与工艺

外文期刊名：Chemical Reaction Engineering and Technology

收录：CSTPCD;;EI(收录号：20081211162225);Scopus;北大核心:【北大核心2004】；CSCD:【CSCD2011_2012】；

基金：国家重点基础研究发展规划项目(2004CB217703);教育部新世纪优秀人才资助计(NCET-05-04137)

语种：中文

中文关键词：液滴撞击;铺展直径;撞击角

外文关键词：drop impact; spread diameter; impact angle

摘要：采用高速摄像仪研究了液滴在不同韦伯数和撞击角下撞击干燥平板时的铺展行为。结果表明,当撞击角相同时,韦伯数越小,液滴最大横向铺展直径也越小;韦伯数相同,撞击角越大,液滴横向铺展直径越大;在铺展和回缩过程中,环形液层外圈相对于内圈在达到横向最大铺展直径时具有滞后现象。
A high speed camera was used to research the spread behavior of a single droplet impacting on the dry surface at different Weber number and impact angles. The results showed that at the same impact angle the maximum transverse spread diameter decreased with the decreasing of the Weber number, and at the same Weber number the maximum transverse spread diameters increased with the increasing of the impact angle. During the process of spread and retraction, the external circle of the annular droplet lagged behind the inner circle of the annular droplet when the annular droplet spread the maximum diameter.