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Early-time jet formation in liquid-liquid impact problems: theory and simulations

Abstract:

We perform a thorough qualitative and quantitative comparison of theoretical predictions and direct numerical simulations for the two-dimensional, vertical impact of two droplets of the same fluid. In particular, we show that the theoretical predictions for the location and velocity of the jet root are excellent in the early stages of the impact, while the predicted jet velocity and thickness profiles are also in good agreement with the computations before the jet begins to bend. By neglectin...

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

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Publisher copy:
10.1017/jfm.2018.704

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Mathematical Institute
ORCID:
0000-0002-7934-7909
More from this funder
Funding agency for:
Cimpeanu, R
Publisher:
Cambridge University Press Publisher's website
Journal:
Journal of Fluid Mechanics Journal website
Volume:
856
Pages:
764-796
Publication date:
2018-10-11
Acceptance date:
2018-08-24
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
Pubs id:
pubs:911519
URN:
uri:e1f25903-e90b-490b-b8c9-0c75266bdbd3
UUID:
uuid:e1f25903-e90b-490b-b8c9-0c75266bdbd3
Local pid:
pubs:911519

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