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	Water droplet impact on superhydrophobic surfaces with microstructures and hierarchical roughness
	HAO PengFei ; LV CunJing ; NIU FengLei ; YU Yu ; HAO PengFei ; LV CunJing ; NIU FengLei ; YU Yu
	2016-03-30 ; 2016-03-30
关键词	impact velocity superhydrophobic advancing contact angle O35
其他题名	Water droplet impact on superhydrophobic surfaces with microstructures and hierarchical roughness
中文摘要	Quantitative correlation between the critical impact velocity of droplet and geometry of superhydrophobic surfaces with microstructures is systematically studied.Experimental data shows that the critical impact velocity induced wetting transition of droplet on the superhydrophobic surfaces is strongly determined by the perimeter of single micropillar,the space between the repeat pillars and the advancing contact angle of the sidewall of the micropillars.The proposed model agrees well with the experimental results,and clarifies that the underlying mechanism which is responsible for the superhydrophobic surface with hierarchical roughness could sustain a higher liquid pressure than the surfaces with microstructures.; Quantitative correlation between the critical impact velocity of droplet and geometry of superhydrophobic surfaces with microstructures is systematically studied.Experimental data shows that the critical impact velocity induced wetting transition of droplet on the superhydrophobic surfaces is strongly determined by the perimeter of single micropillar,the space between the repeat pillars and the advancing contact angle of the sidewall of the micropillars.The proposed model agrees well with the experimental results,and clarifies that the underlying mechanism which is responsible for the superhydrophobic surface with hierarchical roughness could sustain a higher liquid pressure than the surfaces with microstructures.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/143770]
专题	清华大学
推荐引用方式 GB/T 7714	HAO PengFei,LV CunJing,NIU FengLei,et al. Water droplet impact on superhydrophobic surfaces with microstructures and hierarchical roughness[J],2016, 2016.
APA	HAO PengFei.,LV CunJing.,NIU FengLei.,YU Yu.,HAO PengFei.,...&YU Yu.(2016).Water droplet impact on superhydrophobic surfaces with microstructures and hierarchical roughness..
MLA	HAO PengFei,et al."Water droplet impact on superhydrophobic surfaces with microstructures and hierarchical roughness".(2016).

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