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Non-wetting drops at liquid interfaces: from liquid marbles to Leidenfrost drops

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Abstract

We consider the flotation of deformable, non-wetting drops on a liquid interface. We consider the deflection of both the liquid interface and the droplet itself in response to the buoyancy forces, density difference and the various surface tensions within the system. Our results suggest new insight into a range of phenomena in which such drops occur, including Leidenfrost droplets and floating liquid marbles. In particular, we show that the floating state of liquid marbles is very sensitive to the tension of the particle-covered interface and suggest that this sensitivity may make such experiments a useful assay of the properties of these complex interfaces.

Graphical abstract: Non-wetting drops at liquid interfaces: from liquid marbles to Leidenfrost drops

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Publication details

The article was received on 18 May 2017, accepted on 12 Jun 2017 and first published on 13 Jun 2017


Article type: Paper
DOI: 10.1039/C7SM00990A
Citation: Soft Matter, 2017, Advance Article
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    Non-wetting drops at liquid interfaces: from liquid marbles to Leidenfrost drops

    C. Y. H. Wong, M. Adda-Bedia and D. Vella, Soft Matter, 2017, Advance Article , DOI: 10.1039/C7SM00990A

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