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Trapping Leidenfrost Drops with Crenelations

Guillaume Dupeux, Marie Le Merrer, Christophe Clanet, and David Quéré
Phys. Rev. Lett. 107, 114503 – Published 8 September 2011
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Abstract

Drops placed on very hot solids levitate on a cushion of their own vapor, as discovered by Leidenfrost. This confers to these drops a remarkable mobility, which makes problematic their control and manipulation. Here we show how crenelated surfaces can be used to increase the friction of Leidenfrost drops by a factor on the order of 100, making them decelerate and be trapped on centimetric distances instead of the usual metric ones. We measure and characterize the friction force as a function of the design of the crenelations.

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  • Received 6 May 2011

DOI:https://doi.org/10.1103/PhysRevLett.107.114503

© 2011 American Physical Society

Synopsis

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Stop! Slippery water

Published 8 September 2011

Ridges and dips provide control of how a drop of liquid, despite extreme mobility, moves on a very hot surface.

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Authors & Affiliations

Guillaume Dupeux, Marie Le Merrer, Christophe Clanet, and David Quéré

  • PMMH, UMR 7636 du CNRS, ESPCI, 75005 Paris, France
  • Ladhyx, UMR 7646 du CNRS, École Polytechnique, 91120 Palaiseau, France

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Issue

Vol. 107, Iss. 11 — 9 September 2011

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