Double emulsion production in glass capillary microfluidic device: parametric investigation of droplet generation behaviour

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dc.contributor.authorNabavi, Seyed Ali
dc.contributor.authorVladisavljević, G. T.
dc.contributor.authorGu, Sai
dc.contributor.authorEkanem, E. E.
dc.date.accessioned2016-04-25T15:54:03Z
dc.date.available2016-04-25T15:54:03Z
dc.date.issued2015-03-20
dc.description.abstractA three-phase axisymmetric numerical model based on Volume of Fluid–Continuum Surface Force (VOF–CSF) model was developed to perform parametric analysis of compound droplet production in three-phase glass capillary devices that combine co-flow and countercurrent flow focusing. The model predicted successfully generation of core–shell and multi-cored double emulsion droplets in dripping and jetting (narrowing and widening) regime and was used to investigate the effects of phase flow rates, fluid properties, and geometry on the size, morphology, and production rate of droplets. As the outer fluid flow rate increased, the size of compound droplets was reduced until a dripping-to-jetting transition occurred. By increasing the middle fluid flow rate, the size of compound droplets increased, which led to a widening jetting regime. The jetting was supressed by increasing the orifice size in the collection capillary or increasing the interfacial tension at the outer interface up to 0.06 N/m. The experimental and simulation results can be used to encapsulate CO2 solvents within gas-permeable microcapsules.en_UK
dc.identifier.citationNabavi SA, Vladisavljević GT, Gu S, Ekanem EE. (2015) Double emulsion production in glass capillary microfluidic device: parametric investigation of droplet generation behaviour. Chemical Engineering Science, Volume 130, July 2015, pp. 183-196en_UK
dc.identifier.issn0009-2509
dc.identifier.urihttp://dx.doi.org/10.1016/j.ces.2015.03.004
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/9844
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsUnder a Creative Commons license Attribution 4.0 International (CC BY 4.0) You are free to: Share — copy and redistribute the material in any medium or format, Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.en_UK
dc.subjectDripping regimeen_UK
dc.subjectJetting regimeen_UK
dc.subjectCore–shell dropletsen_UK
dc.subjectFlow focusingen_UK
dc.subjectSolvent encapsulationen_UK
dc.subjectGlass capillary microfluidicsen_UK
dc.titleDouble emulsion production in glass capillary microfluidic device: parametric investigation of droplet generation behaviouren_UK
dc.typeArticleen_UK

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