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A solvable model of axisymmetric and non-axisymmetric droplet bouncing

Abstract:

We introduce a solvable Lagrangian model for droplet bouncing. The model predicts that, for an axisymmetric drop, the contact time decreases to a constant value with increasing Weber number, in qualitative agreement with experiments, because the system is well approximated as a simple harmonic oscillator. We introduce asymmetries in the velocity, initial droplet shape, and contact line drag acting on the droplet and show that asymmetry can often lead to a reduced contact time and lift-off in ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1039/c6sm02754g

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Department:
Oxford, MPLS, Physics, Theoretical Physics
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Department:
St Hildas College
Pushkin, DO More by this author
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Soft Matter Journal website
Volume:
13
Issue:
5
Pages:
985-994
Publication date:
2017-02-07
Acceptance date:
2016-12-30
DOI:
EISSN:
1744-6848
ISSN:
1744-683X
Pubs id:
pubs:671381
URN:
uri:365edaf2-3974-408f-aa5c-79bb16975e67
UUID:
uuid:365edaf2-3974-408f-aa5c-79bb16975e67
Local pid:
pubs:671381
Paper number:
5
Language:
English
Keywords:

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