A soft microchannel decreases polydispersity of droplet generation

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We study the effect of softness of the microchannel on the process of droplet generation in two-phase flows in a T-junction microchannel. One side of the microchannel has a flexible thin PDMS layer, which vibrates naturally while droplets are generated; the deformation frequency coincides with the frequency of droplet formation. Furthermore, we compare the polydispersity of water-in-oil droplets formed with a microchannel with one soft wall with those formed in a conventional rigid microchannel. We show that deformation of the soft wall reduces the polydispersity in the droplet size.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2014-10
Language
English
Article Type
Article
Keywords

MONOLITHIC MEMBRANE VALVES; MICROFLUIDIC T-JUNCTION; MECHANISM; DELIVERY; DESIGN; PUMPS

Citation

LAB ON A CHIP, v.14, no.20, pp.4029 - 4034

ISSN
1473-0197
DOI
10.1039/c4lc00871e
URI
http://hdl.handle.net/10203/221028
Appears in Collection
ME-Journal Papers(저널논문)
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