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Issue 35, 2016
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Predicting the size of droplets produced through Laplace pressure induced snap-off

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Abstract

Laplace pressure driven snap-off is a technique that is used to produce droplets for emulsions and microfluidics purposes. Previous predictions of droplet size have assumed a quasi-equilibrium low flow limit. We present a simple model to predict droplet sizes over a wide range of flow rates, demonstrating a rich landscape of droplet stability depending on droplet size and growth rate. The model accounts for the easily adjusted experimental parameters of geometry, interfacial tension, and the viscosities of both phases.

Graphical abstract: Predicting the size of droplets produced through Laplace pressure induced snap-off

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Publication details

The article was received on 10 Apr 2016, accepted on 05 Aug 2016 and first published on 05 Aug 2016


Article type: Paper
DOI: 10.1039/C6SM00853D
Citation: Soft Matter, 2016,12, 7398-7404
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    Predicting the size of droplets produced through Laplace pressure induced snap-off

    S. Barkley, S. J. Scarfe, E. R. Weeks and K. Dalnoki-Veress, Soft Matter, 2016, 12, 7398
    DOI: 10.1039/C6SM00853D

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