Water drops dancing on ice: How sublimation leads to drop rebound

C. Antonini, I. Bernagozzi, S. Jung, D. Poulikakos, M. Marengo

Research output: Contribution to journalArticle

Abstract

Drop rebound is a spectacular event that appears after impact on hydrophobic or superhydrophobic surfaces but can also be induced through the so-called Leidenfrost effect. Here we demonstrate that drop rebound can also originate from another physical phenomenon, the solid substrate sublimation. Through drop impact experiments on a superhydrophobic surfaces, a hot plate, and solid carbon dioxide (commonly known as dry ice), we compare drop rebound based on three different physical mechanisms, which apparently share nothing in common (superhydrophobicity, evaporation, and sublimation), but lead to the same rebound phenomenon in an extremely wide temperature range, from 300 C down to even below -79 C. The formation and unprecedented visualization of an air vortex ring around an impacting drop are also reported.

Original languageEnglish
Article number014501
JournalPhysical Review Letters
Volume111
Issue number1
DOIs
Publication statusPublished - 2 Jul 2013

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