Document Detail


Spreading of a micrometric fluid strip down a plane under controlled initial conditions.
MedLine Citation:
PMID:  15697719     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We experimentally study the spreading of a small volume of silicon oil down a vertical plane with small Bond number. The initial condition is characterized by a horizontal long fluid strip with cross sectional area A and width w(0). We find that the experiments are characterized by a unique nondimensional parameter, R proportional w4(0)/(a2A), where a is the capillary length. An empirical criterium to estimate the onset of the contact line instability is established. The later rivulet formation at the contact line leads to a pattern which is characterized by a dominant wavelength. We find that this wavelength is approximately proportional to R(-1/4).
Authors:
J M Gomba; J Diez; A G González; R Gratton
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Publication Detail:
Type:  Journal Article     Date:  2005-01-07
Journal Detail:
Title:  Physical review. E, Statistical, nonlinear, and soft matter physics     Volume:  71     ISSN:  1539-3755     ISO Abbreviation:  Phys Rev E Stat Nonlin Soft Matter Phys     Publication Date:  2005 Jan 
Date Detail:
Created Date:  2005-02-08     Completed Date:  2005-05-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136452     Medline TA:  Phys Rev E Stat Nonlin Soft Matter Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  016304     Citation Subset:  -    
Affiliation:
Instituto de Física Arroyo Seco, Universidad Nacional del Centro de la Provincia de Buenos Aires, Pinto 399, 7000, Tandil, Argentina. jgomba@exa.unicen.edu.ar
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