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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)
Source PublicationSCIENCE CHINA-TECHNOLOGICAL SCIENCES
2018-02-01
Volume61Issue:2Pages:309-316
ISSN1674-7321
Abstract

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.

KeywordDroplet Contact Angle Ellipse Contact Line Grooved Surface
DOI10.1007/s11431-017-9149-1
URL查看原文
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000424788700017
WOS KeywordSuperhydrophobic Surfaces ; Wetting Behavior ; Morphologies ; Roughness ; Dynamics ; Water
WOS Research AreaEngineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS SubjectEngineering ; Materials Science
Funding OrganizationNational 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]
CSCD IDCSCD:6190195
Classification二类
Ranking1
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77882
Collection非线性力学国家重点实验室
Affiliation1.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
Recommended Citation
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 Wang ZL,Chen EH,&Zhao YP.(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 Wang ZL,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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