Inclined to splash: triggering and inhibiting a splash with tangential velocity

Details Inclined to splash: triggering and inhibiting a splash with tangential velocity Inclined to splash: triggering and inhibiting a splash with tangential velocity

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009njph...11f3017b&link_type=abstract

New Journal of Physics, Volume 11, Issue 6, pp. 063017 (2009).

Physics

4

Scientific paper

When a liquid drop impacts a smooth, solid, dry surface, the drop forms a radially spreading lamella, which can lead to a splash. Previous studies have focused almost exclusively on impacts perpendicular to a surface; yet it is common for drops to impact on angled or moving surfaces. The asymmetry of such impacts leads to an azimuthal variation of the ejected rim, and under certain conditions only part of the rim breaks up to form droplets. We show that the tangential component of impact can act to enhance or suppress a splash. We develop a new model to predict when this type of splashing will occur. The model accounts for our observations of the effects of tangential velocity and agrees well with previous experimental data.

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