https://scholars.lib.ntu.edu.tw/handle/123456789/598165
標題: | Rebound Behaviors of Multiple Droplets Simultaneously Impacting a Superhydrophobic Surface | 作者: | Gao S.-R Jin J.-X Wei B.-J Zhang L.-Z Yang Y.-R Wang X.-D Lee D.-J. DUU-JONG LEE |
關鍵字: | Computational fluid dynamics;Drops;Hydrophobicity;Reynolds number;Surface properties;Wetting;A-center;Contact time;Droplet spacings;Lattice Boltzmann method;Rebound behavior;Reynold number;Strong interaction;Super-hydrophobic surfaces;Weber numbers;Wetting process;Morphology;article;cleaning;contact time;corrosion;rebound;simulation | 公開日期: | 2021 | 卷: | 37 | 期: | 38 | 起(迄)頁: | 11233-11241 | 來源出版物: | Langmuir | 摘要: | The rebound behaviors of multiple droplets simultaneously impacting a superhydrophobic surface were investigated via lattice Boltzmann method (LBM) simulations. Three rebound regions were identified, i.e., an edge-dominating region, a center-dominating region, and an independent rebound region. The occurrence of the rebound regions strongly depends on the droplet spacing and the associated Weber and Reynolds numbers. Three new rebound morphologies, i.e., a pin-shaped morphology, a downward comb-shaped morphology, and an upward comb-shaped morphology, were presented. Intriguingly, in the edge-dominating region, the central droplets experience a secondary wetting process to significantly prolong the contact time. However, in the center-dominating region, the contact time is dramatically shortened because of the strong interactions generated by the central droplets and the central ridges. These findings provide useful information for practical applications such as self-cleaning, anticorrosion, anti-icing, and so forth. ? 2021 American Chemical Society |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85115794146&doi=10.1021%2facs.langmuir.1c01490&partnerID=40&md5=4a194b5a185d1f8b0181d1d08bf030d5 https://scholars.lib.ntu.edu.tw/handle/123456789/598165 |
ISSN: | 07437463 | DOI: | 10.1021/acs.langmuir.1c01490 |
顯示於: | 化學工程學系 |
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