Vibration-induced climbing of drops.

We report an experimental study of liquid drops moving against gravity, when placed on a vertically vibrating inclined plate, which is partially wetted by the drop. The 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 or down symmetry breaking induced by the presence of the substrate. We relate the direction of motion to contact angle measurements. This phenomenon can be used to move a drop along an arbitrary path in a plane, without special surface treatments or localized forcing.

• Publication year

  2007

• Venue

  Physical Review Letters

• Publication date

  2007-10-03

• Fields of study

  Medicine, Physics

• Identifiers
  DOI 10.1103/PHYSREVLETT.99.144501arXiv 0809.1962PMID 17930674
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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