Document Detail

Can vibrations control drop motion?
MedLine Citation:
PMID:  25398095     Owner:  NLM     Status:  Publisher    
We discuss a mechanism for controlled motion of drops with applications for micro-fluidics and micro-gravity. The mechanism is the following: a solid plate supporting a liquid droplet is simultaneously subject to lateral and vertical harmonic oscillations. In this way the symmetry of the back-and-forth droplet movement along the substrate under inertial effects is broken and thus will induce a net driven motion of the drop. We study the dependency of the travelled distance on the oscillation parameters (forcing amplitude, frequency, phase shift between the two perpendicular oscillations) via phase field simulations. The internal flow structure inside the droplet is also investigated. We make predictions on resonance frequencies for drops on a substrate with a varying wettability.
Rodica Borcia; Ion Dan Borcia; Michael Bestehorn
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-14
Journal Detail:
Title:  Langmuir : the ACS journal of surfaces and colloids     Volume:  -     ISSN:  1520-5827     ISO Abbreviation:  Langmuir     Publication Date:  2014 Nov 
Date Detail:
Created Date:  2014-11-14     Completed Date:  -     Revised Date:  2014-11-15    
Medline Journal Info:
Nlm Unique ID:  9882736     Medline TA:  Langmuir     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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