Multimodal breakup of a double emulsion droplet under an electric field

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We investigate the hydrodynamic deformation and breakup of double emulsion droplets under a uniform DC electric field. Based on comprehensive experiments, we observe four different breakup modes for the double emulsion droplet by varying the viscosity of shell liquid, and conductivity, permittivity or volume fraction of the core liquid. The breakup modes are classified as a unidirectional breakup mode, two different bidirectional breakup modes, and a tip-streaming breakup mode. We performed scaling analysis and numerical simulation to explain the experimental observations. We believe that this study could provide insight for the comprehension of double emulsion droplet functionalities in various applications, including drug delivery, materials science, biological and chemical engineering, and lab-on-a-chip applications.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2019-03
Language
English
Article Type
Article
Citation

SOFT MATTER, v.15, no.10, pp.2292 - 2300

ISSN
1744-683X
DOI
10.1039/c8sm02230e
URI
http://hdl.handle.net/10203/254003
Appears in Collection
ME-Journal Papers(저널논문)
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