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The macroscopic pancake bounce

Abstract:

We demonstrate that the so-called pancake bounce of millimetric water droplets on surfaces patterned with hydrophobic posts (Liu et al 2014 Nat. Phys. 10 515) can be reproduced on larger scales. In our experiment, a bed of nails plays the role of the structured surface and a water balloon models the water droplet. The macroscopic version largely reproduces the features of the microscopic experiment, including the Weber number dependence and the reduced contact time for pancake bouncing. The s...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1088/1361-6404/38/1/015006

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Institution:
University of Oxford
Oxford college:
St Hilda's College
Role:
Author
Publisher:
IOP Publishing Publisher's website
Journal:
European Journal of Physics Journal website
Volume:
38
Issue:
1
Publication date:
2016-12-13
Acceptance date:
2016-11-24
DOI:
EISSN:
1361-6404
ISSN:
0143-0807
Source identifiers:
666953
Keywords:
Pubs id:
pubs:666953
UUID:
uuid:2b479fdc-9560-4416-896d-6f00c835a2db
Local pid:
pubs:666953
Deposit date:
2016-12-22

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