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Droplet dynamics in a bifurcating channel
KTH.
2010 (English)In: International Journal of Multiphase Flow, ISSN 0301-9322, E-ISSN 1879-3533, Vol. 36, no 5, 397-405 p.Article in journal (Refereed) Published
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Text
Abstract [en]

In the present paper we present a phenomenological description of droplet dynamics in a bifurcating channel that is based on three-dimensional numerical experiments using the Phase Field theory. Droplet dynamics is investigated in a junction, which has symmetric outflow conditions in its daughter branches. We identify two different flow regimes as the droplets interact with the tip of the bifurcation, splitting and non-splitting. A distinct criterion for the flow regime transition is found based on the initial droplet volume and the Capillary (Ca) number. The Rayleigh Plateau instability is identified as a driving mechanism for the droplet breakup close to the threshold between the splitting and non-splitting regime.

Place, publisher, year, edition, pages
2010. Vol. 36, no 5, 397-405 p.
Keyword [en]
Droplet dynamics, Cahn-Hilliard, Bifurcating channels, Wetting, Rayleigh-Plateau instability, Passive breakup, networks, fluid, flows, tubes, simulations, deposition, transport, system, model, time
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:sh:diva-30111DOI: 10.1016/j.ijmultiphaseflow.2010.01.002ISI: 000276584400005Scopus ID: 2-s2.0-77549084272OAI: oai:DiVA.org:sh-30111DiVA: diva2:933868
Available from: 2010-08-05 Created: 2016-06-01 Last updated: 2016-06-07Bibliographically approved

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Do-Quang, MinhAmberg, Gustav
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf