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Frosting and defrosting on rigid superhydrohobic surface

Authors
Jing, TengyueKim, YeongaeLee, SangminKim, DongseobKim, JinyulHwang, Woonbong
Issue Date
Jul-2013
Publisher
ELSEVIER
Keywords
Rigid superhydrophobic surface; Flexible superhydrophobic surface; Superhydrophilic surface; Anti-frosting; Defrosting
Citation
APPLIED SURFACE SCIENCE, v.276, pp 37 - 42
Pages
6
Journal Title
APPLIED SURFACE SCIENCE
Volume
276
Start Page
37
End Page
42
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/47945
DOI
10.1016/j.apsusc.2013.02.105
ISSN
0169-4332
1873-5584
Abstract
Lotus leaves, which have superhydrophobic surfaces, have been extensively studied as a result of their extreme water repellency. Lotus leaves are liable to lose their superhydrophobicity when water condenses or frost forms and then melts on their surfaces. We have performed experiments to investigate the frosting and defrosting phenomena on various surfaces having differing wetting properties, ranging from superhydrophobicity to superhydrophilicity and including two kinds of superhydrophobic surface. Both flexible and rigid superhydrophobic surface have advantage of anti-frosting. However, only on the rigid superhydrophobic surface is defrosting effective without any water droplets. Therefore, the rigid superhydrophobic surface is most effective in defrosting and against frosting. Our results widen the potential applications of superhydrophobic surfaces and increase our understanding of water behavior at surfaces. (C) 2013 Elsevier B. V. All rights reserved.
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