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粗糙表面液滴表观形态研究 被引量:8

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摘要 液滴在粗糙表面的表观形态及影响其润湿性转变的因素是十分复杂的.一般来说,液滴在表面的接触形态是其表面润湿特性的直接反映.近来,通过对蒸汽凝结条件下超疏水表面液滴形态的研究,进一步加深了人们对粗糙表面润湿特性的理解.人们通过对不同条件下微结构粗糙表面润湿特性的研究,证实了除Cassie和Wenzel模型外,尚有第3类液滴表观状态的存在.我们对实验数据分析发现,粗糙表面的润湿性可以由液滴在投影面上与固/液/气三相接触的面积比来衡量,提出了一种新的液滴表观接触角的通用计算模型,并对比文献数据,证实了其对表观接触角的预测.
作者 陈晓玲 吕田
出处 《中国科学(G辑)》 CSCD 北大核心 2009年第1期58-62,共5页
基金 国家自然科学基金资助项目(批准号:50606025)
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参考文献15

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