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Article Dans Une Revue Soft Matter Année : 2014

Capillary tube wetting induced by particles: towards armoured bubbles tailoring

Résumé

In this paper, we report on the strongly modified dynamics of a liquid finger pushed inside a capillary tube, when partially wettable particles are lying on the walls. Particles promote the appearance of new regimes and enable the tailored synthesis of bubbles encapsulated in a monolayer of particles (so-called "armoured bubbles"). This remarkable behavior arises due to the collection of particles at the air-liquid interface, which modify the global energy balance and stabilize the interface. Armoured-bubbles are of primary interest in industrial processes since they display increased stability, interfacial rigidity and can even sustain nonspherical shapes. This work opens perspective for a low cost bubbles-on-demand technology enabling the synthesis of armoured bubbles with specific sizes, shapes and composition.
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Dates et versions

hal-03277850 , version 1 (05-07-2021)

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Farzam Zoueshtiagh, Michael Baudoin, David Guérin. Capillary tube wetting induced by particles: towards armoured bubbles tailoring. Soft Matter, 2014, 10 (47), pp.9403-9412. ⟨10.1039/c4sm01648c⟩. ⟨hal-03277850⟩
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