Formation of dispersions using "flow focusing" in microchannels

Shelley L. Anna, Nathalie Bontoux, Howard A. Stone

Research output: Contribution to journalArticle

1740 Scopus citations

Abstract

A flow-focusing configuration into a microchannel fabricated with soft lithography techniques was investigated. The operating diagram of drop size as a function of flow rate and flow rate ratios illustrated regimes with both monodisperse and polydisperse droplets. The results showed that smallest droplets produced can be much smaller than the orifice radius.

Original languageEnglish (US)
Pages (from-to)364-366
Number of pages3
JournalApplied Physics Letters
Volume82
Issue number3
DOIs
StatePublished - Jan 20 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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