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Article: Tip-multi-breaking in capillary microfluidic devices

TitleTip-multi-breaking in capillary microfluidic devices
Authors
KeywordsMicrofluidics
Drops
Droplet microfluidic
Issue Date2015
PublisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at http://www.nature.com/srep/index.html
Citation
Scientific Reports, 2015, v. 5, p. 11102 How to Cite?
AbstractWe report tip-multi-breaking (TMB) mode of droplet breakup in capillary microfluidic devices. This new mode appears in a region embraced by Cai = 0 and lg(Cai) = − 8.371(Ca0) −7.36 with Ca0 varying from 0.35 to 0.63 on the Cai – Ca0 phase diagram, Cai and Ca0 being the capillary numbers of inner and outer fluids, respectively. The mode is featured with a periodic, constant-speed thinning of the inner liquid tip and periodic formation of a sequence of droplets. The droplet number n in a sequence is determined by and increases with outer phase capillary number, and varies from two to over ten. The distribution of both pinch-off time and size of the droplets in a sequence is a geometric progression of common ratio that depends exclusively on and increases monotonically with the droplet number from its minimum value of 0.5 at n = 2 to its maximum value of 1 as n tends to infinity. These features can help identify the unique geometric morphology of droplet clusters and make them promising candidates for encryption and anti-fake identification.
Persistent Identifierhttp://hdl.handle.net/10722/272914
ISSN
2019 Impact Factor: 3.998
2015 SCImago Journal Rankings: 2.073
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhu, P-
dc.contributor.authorKong, T-
dc.contributor.authorKang, Z-
dc.contributor.authorTian, X-
dc.contributor.authorWang, L-
dc.date.accessioned2019-08-06T09:18:58Z-
dc.date.available2019-08-06T09:18:58Z-
dc.date.issued2015-
dc.identifier.citationScientific Reports, 2015, v. 5, p. 11102-
dc.identifier.issn2045-2322-
dc.identifier.urihttp://hdl.handle.net/10722/272914-
dc.description.abstractWe report tip-multi-breaking (TMB) mode of droplet breakup in capillary microfluidic devices. This new mode appears in a region embraced by Cai = 0 and lg(Cai) = − 8.371(Ca0) −7.36 with Ca0 varying from 0.35 to 0.63 on the Cai – Ca0 phase diagram, Cai and Ca0 being the capillary numbers of inner and outer fluids, respectively. The mode is featured with a periodic, constant-speed thinning of the inner liquid tip and periodic formation of a sequence of droplets. The droplet number n in a sequence is determined by and increases with outer phase capillary number, and varies from two to over ten. The distribution of both pinch-off time and size of the droplets in a sequence is a geometric progression of common ratio that depends exclusively on and increases monotonically with the droplet number from its minimum value of 0.5 at n = 2 to its maximum value of 1 as n tends to infinity. These features can help identify the unique geometric morphology of droplet clusters and make them promising candidates for encryption and anti-fake identification.-
dc.languageeng-
dc.publisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at http://www.nature.com/srep/index.html-
dc.relation.ispartofScientific Reports-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectMicrofluidics-
dc.subjectDrops-
dc.subjectDroplet microfluidic-
dc.titleTip-multi-breaking in capillary microfluidic devices-
dc.typeArticle-
dc.identifier.emailTian, X: tianxw@hku.hk-
dc.identifier.emailWang, L: lqwang@hku.hk-
dc.identifier.authorityWang, L=rp00184-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1038/srep11102-
dc.identifier.pmid26077155-
dc.identifier.pmcidPMC4468424-
dc.identifier.scopuseid_2-s2.0-84935847346-
dc.identifier.hkuros300432-
dc.identifier.hkuros301687-
dc.identifier.volume5-
dc.identifier.spage11102-
dc.identifier.epage11102-
dc.identifier.isiWOS:000356514700001-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl2045-2322-

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