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- Publisher Website: 10.1021/acs.langmuir.7b02633
- Scopus: eid_2-s2.0-85041031536
- PMID: 29094601
- WOS: WOS:000423418300023
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Article: Droplet Formation by Rupture of Vibration-Induced Interfacial Fingers
Title | Droplet Formation by Rupture of Vibration-Induced Interfacial Fingers |
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Authors | |
Issue Date | 2018 |
Publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/langmuir |
Citation | Langmuir, 2018, v. 34 n. 3, p. 926-932 How to Cite? |
Abstract | By imposing vibration to a core-annular flow of an aqueous two-phase system (ATPS) with ultralow interfacial tension, we observe a liquid finger protruding from the interface of an expanding jet. We find that the protruded finger breaks up only when its length-to-width ratio exceeds a threshold value. The breakup follows a constant wavelength-to-width ratio that is consistent with that of breakup under Rayleigh-Plateau instability. The mechanism is applicable to aqueous two-phase systems with a large range of viscosity ratios. The protruded finger can break up into small droplets that are monodisperse in size, controllable in generation frequency under a wide range of flow rates. This work suggests a way to generate small water–water droplets with high monodispersity and production rate from a single nozzle. |
Persistent Identifier | http://hdl.handle.net/10722/260475 |
ISSN | 2023 Impact Factor: 3.7 2023 SCImago Journal Rankings: 0.786 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Mak, SY | - |
dc.contributor.author | Chao, Y | - |
dc.contributor.author | Rahman, S | - |
dc.contributor.author | Shum, HC | - |
dc.date.accessioned | 2018-09-14T08:42:21Z | - |
dc.date.available | 2018-09-14T08:42:21Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Langmuir, 2018, v. 34 n. 3, p. 926-932 | - |
dc.identifier.issn | 0743-7463 | - |
dc.identifier.uri | http://hdl.handle.net/10722/260475 | - |
dc.description.abstract | By imposing vibration to a core-annular flow of an aqueous two-phase system (ATPS) with ultralow interfacial tension, we observe a liquid finger protruding from the interface of an expanding jet. We find that the protruded finger breaks up only when its length-to-width ratio exceeds a threshold value. The breakup follows a constant wavelength-to-width ratio that is consistent with that of breakup under Rayleigh-Plateau instability. The mechanism is applicable to aqueous two-phase systems with a large range of viscosity ratios. The protruded finger can break up into small droplets that are monodisperse in size, controllable in generation frequency under a wide range of flow rates. This work suggests a way to generate small water–water droplets with high monodispersity and production rate from a single nozzle. | - |
dc.language | eng | - |
dc.publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/langmuir | - |
dc.relation.ispartof | Langmuir | - |
dc.title | Droplet Formation by Rupture of Vibration-Induced Interfacial Fingers | - |
dc.type | Article | - |
dc.identifier.email | Mak, SY: smak@hku.hk | - |
dc.identifier.email | Shum, HC: ashum@hku.hk | - |
dc.identifier.authority | Mak, SY=rp02728 | - |
dc.identifier.authority | Shum, HC=rp01439 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/acs.langmuir.7b02633 | - |
dc.identifier.pmid | 29094601 | - |
dc.identifier.scopus | eid_2-s2.0-85041031536 | - |
dc.identifier.hkuros | 290224 | - |
dc.identifier.volume | 34 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 926 | - |
dc.identifier.epage | 932 | - |
dc.identifier.isi | WOS:000423418300023 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0743-7463 | - |