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The effect of surface anisotropy on contact angles and the characterization of elliptical cap droplets
Wang ZL(王占龙); Chen EH(陈恩惠); Zhao YP(赵亚溥)
2018-02-01
发表期刊SCIENCE CHINA-TECHNOLOGICAL SCIENCES
卷号61期号:2页码:309-316
ISSN1674-7321
摘要In this paper, the variation of contact angles of a droplet on grooved surfaces was studied from microscale to macroscale experimentally and theoretically. The experimental results indicated that the contact angle changes nonlinearly with anisotropic factor. To get clear of the changing process of contact angle on grooved surfaces from microscale to macroscale, we carried out theoretical analysis with moment equilibrium method being adopted. In addition, the variation of contact angles in different directions was investigated and a mathematic model to calculate arbitrary contact angles around the elliptic contact line was suggested. For the convenience of potential applications, a symbolic contact angle was proposed to characterize the ellipsoidal cap droplet on grooved surfaces. Our results will offer help to the future design of patterned surfaces in practical applications, and deepen the understanding of wetting behavior on grooved surfaces.
关键词droplet contact angle ellipse contact line grooved surface
DOI10.1007/s11431-017-9149-1
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000424788700017
关键词[WOS]SUPERHYDROPHOBIC SURFACES ; WETTING BEHAVIOR ; MORPHOLOGIES ; ROUGHNESS ; DYNAMICS ; WATER
WOS研究方向Engineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS类目Engineering ; Materials Science
项目资助者National Natural Science Foundation of China [U1562105, 11611130019, 11372313] ; Chinese Academy of Sciences (CAS) through CAS Interdisciplinary Innovation Team Project ; CAS Key Research Program of Frontier Sciences [QYZDJ-SSW-JSC019] ; CAS Strategic Priority Research Program [XDB22040401]
论文分区二类
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77882
专题非线性力学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Wang ZL,Chen EH,Zhao YP. The effect of surface anisotropy on contact angles and the characterization of elliptical cap droplets[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2018,61(2):309-316.
APA 王占龙,陈恩惠,&赵亚溥.(2018).The effect of surface anisotropy on contact angles and the characterization of elliptical cap droplets.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,61(2),309-316.
MLA 王占龙,et al."The effect of surface anisotropy on contact angles and the characterization of elliptical cap droplets".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 61.2(2018):309-316.
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