A phase field description of self-propulsion of twin sessile drops induced by surface tension gradients

  • We describe the self-propulsion of two sessile drops induced by surface tension gradients at the droplet interfaces using a three-dimensional phase field model. We study the problem for the low viscosity regime when the width of the connecting neck between the interacting drops increases linearly with increasing t1/2 and the merger is dominated by capillary forces. We investigate the dependence of the displacement achieved by self-propulsion on viscous shearing as well as the internal flow structure during the coalescence process.

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Metadaten
Author: Rodica Borcia, Michael BestehornGND
URL:http://iopscience.iop.org/article/10.1088/0169-5983/46/4/041405/meta
DOI:https://doi.org/10.1088/0169-5983/46/4/041405
ISSN:0169-5983
Title of the source (English):Fluid Dynamics Research
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2014
Tag:Drops
Volume/Year:46
Issue number:4
First Page:041405
Faculty/Chair:Fakultät 1 MINT - Mathematik, Informatik, Physik, Elektro- und Informationstechnik / FG Statistische Physik und Nichtlineare Dynamik
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