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Journal Articles Physical Review Letters Year : 2011

Trapping Leidenfrost Drops with Crenelations

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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Dates and versions

hal-00998002 , version 1 (08-07-2014)

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Guillaume Dupeux, Marie Le Merrer, Christophe Clanet, David Quéré. Trapping Leidenfrost Drops with Crenelations. Physical Review Letters, 2011, 107 (11), pp.114503. ⟨10.1103/physrevlett.107.114503⟩. ⟨hal-00998002⟩
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