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Dynamics of initial drop splashing on a dry smooth surface

We simulate the onset and evolution of the earliest splashing of an infinite cylindrical liquid drop on a smooth dry solid surface. A tiny splash is observed to be emitted out of the rim of the lamella in the early stage of the impact. We find that the onset time of the splash is primarily dependent...

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Detalles Bibliográficos
Autores principales: Wu, Zhenlong, Cao, Yihua
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5426750/
https://www.ncbi.nlm.nih.gov/pubmed/28493989
http://dx.doi.org/10.1371/journal.pone.0177390
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author Wu, Zhenlong
Cao, Yihua
author_facet Wu, Zhenlong
Cao, Yihua
author_sort Wu, Zhenlong
collection PubMed
description We simulate the onset and evolution of the earliest splashing of an infinite cylindrical liquid drop on a smooth dry solid surface. A tiny splash is observed to be emitted out of the rim of the lamella in the early stage of the impact. We find that the onset time of the splash is primarily dependent on the characteristic timescale, which is defined by the impact velocity as well as the drop radius, with no strong dependence on either the liquid viscosity or surface tension. Three regimes are found to be responsible for different splashing patterns. The outermost ejected droplets keep extending radially at a uniform speed proportional to the impact speed. Finally, we discuss the underlying mechanism which is responsible for the occurrence of the initial drop splash in the study.
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spelling pubmed-54267502017-05-25 Dynamics of initial drop splashing on a dry smooth surface Wu, Zhenlong Cao, Yihua PLoS One Research Article We simulate the onset and evolution of the earliest splashing of an infinite cylindrical liquid drop on a smooth dry solid surface. A tiny splash is observed to be emitted out of the rim of the lamella in the early stage of the impact. We find that the onset time of the splash is primarily dependent on the characteristic timescale, which is defined by the impact velocity as well as the drop radius, with no strong dependence on either the liquid viscosity or surface tension. Three regimes are found to be responsible for different splashing patterns. The outermost ejected droplets keep extending radially at a uniform speed proportional to the impact speed. Finally, we discuss the underlying mechanism which is responsible for the occurrence of the initial drop splash in the study. Public Library of Science 2017-05-11 /pmc/articles/PMC5426750/ /pubmed/28493989 http://dx.doi.org/10.1371/journal.pone.0177390 Text en © 2017 Wu, Cao http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Wu, Zhenlong
Cao, Yihua
Dynamics of initial drop splashing on a dry smooth surface
title Dynamics of initial drop splashing on a dry smooth surface
title_full Dynamics of initial drop splashing on a dry smooth surface
title_fullStr Dynamics of initial drop splashing on a dry smooth surface
title_full_unstemmed Dynamics of initial drop splashing on a dry smooth surface
title_short Dynamics of initial drop splashing on a dry smooth surface
title_sort dynamics of initial drop splashing on a dry smooth surface
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5426750/
https://www.ncbi.nlm.nih.gov/pubmed/28493989
http://dx.doi.org/10.1371/journal.pone.0177390
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