Journal
JOURNAL OF FLUID MECHANICS
Volume 713, Issue -, Pages 50-60Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/jfm.2012.431
Keywords
drops; drops and bubbles; interfacial flows (free surface)
Categories
Funding
- Agence Nationale de la Recherche through the grant DEFORMATION [ANR-09-JCJC-0022-01]
- [Tourbillonde ANR-08- BLAN-0108-02]
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We present an experimental study of drop impact on a solid surface in the spreading regime with no splashing. Using the space time-resolved Fourier transform profilometry technique, we can follow the evolution of the drop shape during the impact. We show that a self-similar dynamical regime drives the drop spreading until the growth of a viscous boundary layer from the substrate selects a residual minimal film thickness Finally, we discuss the interplay between capillary and viscous effects in the spreading dynamics, which suggests a pertinent impact parameter.
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