Deformed liquid marbles: Freezing drop oscillations with powders

J. O. Marston; Y. Zhu; I. U. Vakarelski; S. T. Thoroddsen

doi:10.1016/j.powtec.2012.06.003

Deformed liquid marbles: Freezing drop oscillations with powders

J. O. Marston, Y. Zhu, I. U. Vakarelski, S. T. Thoroddsen

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

In this work we show that when a liquid drop impacts onto a fine-grained hydrophobic powder, the final form of the drop can be very different from the spherical form with which it impacts. In all cases, the drop rebounds due to the hydrophobic nature of the powder. However, we find that above a critical impact speed, the drop undergoes a permanent deformation to a highly non-spherical shape with a near-complete coverage of powder, which then freezes the drop oscillations during rebound.

Original language	English
Pages (from-to)	424-428
Number of pages	5
Journal	Powder Technology
Volume	228
DOIs	https://doi.org/10.1016/j.powtec.2012.06.003
State	Published - Sep 2012

Keywords

Drop impact
Liquid marble
Rebound
Splashing

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10.1016/j.powtec.2012.06.003

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