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Sliding of Liquid Drops Down an Inclined Solid Surface

✍ Scribed by Ho-Young Kim; Heon Ju Lee; Byung Ha Kang

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 171 KB
Volume: 247
Category: Article
ISSN: 0021-9797
DOI: 10.1006/jcis.2001.8156

No coin nor oath required. For personal study only.

✦ Synopsis

A liquid drop that partially wets a solid surface will slide down the plane when it is tilted beyond a critical inclination. Here we report the study of the sliding velocity of such a drop. Experiments for measuring the steady sliding velocity of different liquids of drops are performed. We then construct a scaling law that predicts the sliding velocity given the physical properties, wetting characteristics, and size of the drop. When the sliding velocity is low and the drop distortion due to inclination is small, the scaling law is shown to correctly model the functional dependency of the measured sliding velocity.

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