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홀 패턴 텍스쳐 표면에서 충돌되는 단일 액적의 젖음 특성

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dc.contributor.author문주현-
dc.contributor.author이상민-
dc.contributor.author정정열-
dc.contributor.author이성혁-
dc.date.accessioned2023-12-22T07:32:00Z-
dc.date.available2023-12-22T07:32:00Z-
dc.date.issued2015-09-30-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8063-
dc.description.abstractThis study presents the dynamic wetting characteristics of an impact droplet on hole-patterned textured surfaces. The flat surfaces were manufactured by a drilling machine to generate the micro-order holes, leading to make the surface hydrophobic. In addition, other flat surfaces were fabricated by the anodizing technique to make hydrophilic texture surfaces with a nanometer order. For hydrophilic and hydrophobic textured surfaces with similar texture area fractions, the impinging droplet experiments were conducted and compared with flat surface cases. As results, an anodized textured surface decreases apparent equilibrium contact angle and increases contact diameters, because of increase in contact area and surface energy. This is attributed to more penetration inside holes from larger capillary pressure on nanometer-order holes. On the other hand, temporal evolution of the contact diameter is smaller for the hydrophobic textured surface from smaller penetration on the micro-order holes.phobic. In addition, other flat surfaces were fabricated by the anodizing technique to make hydrophilic texture surfaces with a nanometer order. For hydrophilic and hydrophobic textured surfaces with similar texture area fractions, the impinging droplet experiments were conducted and compared with flat surface cases. As results, an anodized textured surface decreases apparent equilibrium contact angle and increases contact diameters, because of increase in contact area and surface energy. This is attributed to more penetration inside holes from larger capillary pressure on nanometer-order holes. On the other hand, temporal evolution of the contact diameter is smaller for the hydrophobic textured surface from smaller penetration on the micro-order holes.-
dc.format.extent6-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한국액체미립화학회-
dc.title홀 패턴 텍스쳐 표면에서 충돌되는 단일 액적의 젖음 특성-
dc.title.alternativeWetting Characteristic of Single Droplet Impinging on Hole-Patterned Texture Surfaces-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.doi10.15435/JILASSKR.2015.20.3.181-
dc.identifier.bibliographicCitation한국액체미립화학회지, v.20, no.3, pp 181 - 186-
dc.citation.title한국액체미립화학회지-
dc.citation.volume20-
dc.citation.number3-
dc.citation.startPage181-
dc.citation.endPage186-
dc.description.isOpenAccessN-
dc.subject.keywordAuthorHydrophilic-
dc.subject.keywordAuthorHydrophobic-
dc.subject.keywordAuthorAnodization-
dc.subject.keywordAuthorDroplet-
dc.subject.keywordAuthorImpinging-
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해양공공디지털연구본부 (해사안전·환경연구센터)
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