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A soft microchannel decreases polydispersity of droplet generation

Author(s): Pang, Yan; Kim, Hyoungsoo; Liu, Zhaomiao; Stone, Howard A

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Abstract: 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.
Publication Date: 2014
Citation: Pang, Yan, Hyoungsoo Kim, Zhaomiao Liu, and Howard A. Stone. "A soft microchannel decreases polydispersity of droplet generation." Lab on a Chip 14, no. 20 (2014): pp. 4029-4034. doi:10.1039/C4LC00871E
DOI: 10.1039/C4LC00871E
ISSN: 1473-0197
EISSN: 1473-0189
Pages: 4029 - 4034
Type of Material: Journal Article
Journal/Proceeding Title: Lab on a Chip
Version: Author's manuscript



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