Motion of a drop driven by substrate vibrations

Philippe Brunet*, J. Eggers, R. D. Deegan

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

54 Citations (Scopus)

Abstract

We report an experimental study of liquid drops moving against gravity, when placed on a vertically vibrating inclined plate, which is partially wet by the drop. Frequency of vibrations ranges from 30 to 200 Hz, and above a threshold in vibration acceleration, drops experience an upward motion. We attribute this surprising motion to the deformations of the drop, as a consequence of an up/down symmetry-breaking induced by the presence of the substrate. We relate the direction of motion to contact angle measurements.

Original languageEnglish
Pages (from-to)11-14
Number of pages4
JournalEuropean Physical Journal: Special Topics
Volume166
Issue number1
DOIs
Publication statusPublished - 2009

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