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Conference Paper: Rapid generation of small water-water droplets at the interface of a jet flowing at high speed

TitleRapid generation of small water-water droplets at the interface of a jet flowing at high speed
Authors
Issue Date2016
PublisherThe Institute of Theoretical and Applied Mechanics.
Citation
The 24th International Congress of Theoretical and Applied Mechanics, Montreal, Canada, 21-26 August 2016 How to Cite?
AbstractAll-aqueous droplets have promising potential in biomedical applications such as enzyme encapsulation. However, it remains difficult to generate water-water droplets with a narrow size distribution, a high degree of control over droplet size and a high generation frequency. We propose a robust method to generate all-aqueous droplets of a relatively small size (~ 10 microns), at an ultra-high rate (several kilohertz), and with a high size uniformity (c.v. less than 1%). Our technique is based on the shearing of the droplet phase off of the interface of a jet, which is flowing at a significantly higher speed than the continuous phase. We anticipate that by generating size controllable water-water droplets in a rapid and scalable manner, this technique will inspire new application of all-aqueous emulsion droplets.
Persistent Identifierhttp://hdl.handle.net/10722/257499

 

DC FieldValueLanguage
dc.contributor.authorMak, SY-
dc.contributor.authorShum, HC-
dc.date.accessioned2018-08-06T08:28:10Z-
dc.date.available2018-08-06T08:28:10Z-
dc.date.issued2016-
dc.identifier.citationThe 24th International Congress of Theoretical and Applied Mechanics, Montreal, Canada, 21-26 August 2016-
dc.identifier.urihttp://hdl.handle.net/10722/257499-
dc.description.abstractAll-aqueous droplets have promising potential in biomedical applications such as enzyme encapsulation. However, it remains difficult to generate water-water droplets with a narrow size distribution, a high degree of control over droplet size and a high generation frequency. We propose a robust method to generate all-aqueous droplets of a relatively small size (~ 10 microns), at an ultra-high rate (several kilohertz), and with a high size uniformity (c.v. less than 1%). Our technique is based on the shearing of the droplet phase off of the interface of a jet, which is flowing at a significantly higher speed than the continuous phase. We anticipate that by generating size controllable water-water droplets in a rapid and scalable manner, this technique will inspire new application of all-aqueous emulsion droplets.-
dc.languageeng-
dc.publisherThe Institute of Theoretical and Applied Mechanics. -
dc.relation.ispartof24th International Congress of Theoretical and Applied Mechanics - Book of Papers-
dc.titleRapid generation of small water-water droplets at the interface of a jet flowing at high speed-
dc.typeConference_Paper-
dc.identifier.emailShum, HC: ashum@hku.hk-
dc.identifier.authorityShum, HC=rp01439-
dc.identifier.hkuros268653-
dc.publisher.placeMontreal, Canada-

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