Issue 6, 2011
From the journal:

Soft Matter

Breakup of double emulsions in constrictions†

Haosheng Chen,ab   Jiang Li,cd   Ho Cheung Shum,‡a   Howard A. Stonec  and  David A. Weitz*a  

* Corresponding authors

a School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
E-mail: weitz@seas.harvard.edu

b State Key Laboratory of Tribology, Tsinghua University, Beijing, China
E-mail: chenhs@tsinghua.edu.cn

c Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ, USA
E-mail: hastone@princeton.edu

d School of Mechanical Engineering, University of Science and Technology Beijing, Beijing, China

Abstract

We report the controlled breakup of double emulsion droplets as they flow through an orifice of a tapered nozzle. The results are summarized in a phase diagram in terms of the droplet-to-orifice diameter ratio and the capillary number. We identify a flow regime where the inner aqueous phase is released.

Graphical abstract: Breakup of double emulsions in constrictions

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Article information

DOI
https://doi.org/10.1039/C0SM01100B
Article type
Communication
Submitted
04 Oct 2010
Accepted
03 Jan 2011
First published
01 Feb 2011

Soft Matter, 2011,7, 2345-2347

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Breakup of double emulsions in constrictions

H. Chen, J. Li, H. C. Shum, H. A. Stone and D. A. Weitz, Soft Matter, 2011, 7, 2345 DOI: 10.1039/C0SM01100B

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