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Role of the dynamic contact angle on splashing

Abstract:

In this Letter, we study the splashing behavior of droplets upon impact onto a variety of substrates with different wetting properties, ranging from hydrophilic to superhydrophobic surfaces. In particular, we study the effects of the dynamic contact angle on splashing. The experimental approach uses high-speed imaging and image analysis to recover the apparent contact angle as a function of the spreading speed. Our results show that neither the Capillary number nor the so-called splashing par...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevLett.122.228001

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Oxford college:
Wadham College
Role:
Author
ORCID:
0000-0003-4995-2582
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Name:
Engineering and Physical Sciences Research Council
Grant:
EP/P024173/1
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Name:
Royal Society
Grant:
URF/R/180016
Publisher:
American Physical Society
Journal:
Physical Review Letters More from this journal
Volume:
122
Issue:
22
Article number:
228001
Publication date:
2019-06-05
Acceptance date:
2019-04-04
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:997828
UUID:
uuid:acb3936f-b385-48f3-acb5-5da3d33994c7
Local pid:
pubs:997828
Source identifiers:
997828
Deposit date:
2019-05-13

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