Capturing drops with a thin fiber

Abstract : We study experimentally the dynamics of drops impacting horizontal fibers and characterize the ability of these objects to capture the drops. We first show that a drop larger than a critical radius cannot be trapped by a fiber whatever its velocity. We determine this critical size as a function of the fiber radius. Then we show that for smaller drops, different situations can occur: at a low impact velocity, the drop is entirely captured by the fiber, whereas some liquid is ejected when arriving faster. We quantify the threshold velocity of capture.
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Submitted on : Wednesday, November 30, 2005 - 1:55:00 PM
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Elise Lorenceau, Christophe Clanet, David Quéré. Capturing drops with a thin fiber. Journal of Colloid and Interface Science, Elsevier, 2004, 279, n° 1, pp.192 - 197. ⟨10.1016/j.jcis.2004.06.054⟩. ⟨hal-00014911⟩



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