Contact time of a bouncing drop

被引：0
|
作者：
Denis Richard
Christophe Clanet
David Quéré
机构：
[1] Laboratoire de Physique de la Matière Condensée,
[2] URA 792 du CNRS,undefined
[3] Collège de France,undefined
[4] Institut de Recherche sur les Phénomènes Hors Équilibre,undefined
[5] UMR 6594 du CNRS,undefined
来源：
Nature | 2002年 / 417卷
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摘要：
When a liquid drop lands on a solid surface without wetting it, it bounces with remarkable elasticity1,2,3. Here we measure how long the drop remains in contact with the solid during the shock, a problem that was considered by Hertz4 for a bouncing ball. Our findings could help to quantify the efficiency of water-repellent surfaces (super-hydrophobic solids5) and to improve water-cooling of hot solids, which is limited by the rebounding of drops6 as well as by temperature effects.
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页码：811 / 811
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