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The effect of surface roughness on the contact line and splashing dynamics of impacting droplets

Abstract:

Whether a droplet splashes upon impact onto a solid is known to depend not only on the fluid properties and its speed, but also on the substrate characteristics. Past research has shown that splashing is heavily influenced by the substrate roughness. Indeed, in this manuscript, we demonstrate that splashing is ruled by the surface roughness, the splashing ratio, and the dynamic contact angle. Experiments consist of water and ethanol droplets impacting onto solid substrates with varying degree...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
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Name:
Royal Society
Grant:
RGF/EA/181002
More from this funder
Name:
Engineering and Physical Sciences Research Council
Grant:
EP/P024173/1
Publisher:
Nature Research
Journal:
Scientific Reports More from this journal
Volume:
9
Issue:
1
Publication date:
2019-10-21
Acceptance date:
2019-10-02
DOI:
EISSN:
2045-2322
Language:
English
Keywords:
Pubs id:
pubs:1069155
UUID:
uuid:fd16aed4-d4e2-4745-862d-19ed1dd92cc0
Local pid:
pubs:1069155
Source identifiers:
1069155
Deposit date:
2019-11-01

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