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Giant deformation and tip-streaming from sheared drops

  • Laboratoire d'Hydrodynamique de l'Ecole Polytechnique

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The presence of surfactant has a strong impact on the deformation of a drop. Creating a strong gradient of surfactant concentration induces giant deformations on a drop until the apparition of a tip singularity. The present study presents a novel experimental approach to obtain detailed statistics and dynamics of drop deformation by using microfluidic chanels. We observe that drops submitted to a strong shear go through a shape transition which is associated with the formation of a singular tip and a strong acceleration.

Original languageEnglish
Title of host publicationProceedings of the 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007
EditorsJean-Louis Viovy, Patrick Tabeling, Stephanie Descroix, Laurent Malaquin
PublisherChemical and Biological Microsystems Society
Pages336-338
Number of pages3
ISBN (Electronic)9780979806407
Publication statusPublished - 1 Jan 2007
Event11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007 - Paris, France
Duration: 7 Oct 200711 Oct 2007

Publication series

NameProceedings of the 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007

Conference

Conference11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007
Country/TerritoryFrance
CityParis
Period7/10/0711/10/07

Keywords

  • Droplet microfluidics
  • Tip-streaming
  • Transport

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