Mist opportunities

Rosamund Daw

Nature, 2012, vol. 482, issue 7386, 476-476

Abstract: Taking control of clumping In a study of the behaviour of liquid droplets on flexible fibres, Camille Duprat and colleagues identify six parameters that control how a droplet wets the fibres, including droplet size and mechanical properties of the fibres. Depending on the parameters, the droplet can remain tightly spherical, bridging the fibres; partially wet the fibres; or fully wet them, causing the fibres to cling together. The authors demonstrate using a natural system — a goose feather — that by adjusting drop volume it is possible to control the matting of fibre arrays. From a technological perspective, careful control of these parameters offers the prospect of adjusting the adsorption of droplets for functional microstructured materials. Furthermore, drop volume can be used to control wetting in sprays such as hairsprays, and in the de-oiling of birds contaminated by oil spillage.

Date: 2012
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DOI: 10.1038/482476a

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