Drop splashing on a rough surface: How surface morphology affects splashing threshold
SCIE
SCOPUS
- Title
- Drop splashing on a rough surface: How surface morphology affects splashing threshold
- Authors
- Hyungmo Kim; Usung Park; Chan Lee; Kim, H; Kim, MH; Kim, J
- Date Issued
- 2014-04-21
- Publisher
- AIP
- Abstract
- We investigate the drop splashing threshold S-T of water on a rough surface. Surface roughness has been known to facilitate drop splashing, but a counterexample has been observed. Here, we suggest a possible explanation of how surface morphology affects drop splashing. We focus on the air flow during the splashing event and estimate ST on a rough surface. To demonstrate this effect, experiments using well-designed surfaces were conducted, and the results agree with our relation. This work shows that surface morphology can both suppress and facilitate drop splashing, and presents a method to predict ST on surfaces with different morphologies. (C) 2014 AIP Publishing LLC.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/14498
- DOI
- 10.1063/1.4873338
- ISSN
- 0003-6951
- Article Type
- Article
- Citation
- Applied Physics Letters, vol. 104, no. 16, page. 161608, 2014-04-21
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