Document Detail


Dynamics of liquid penetration into capillary tubes.
MedLine Citation:
PMID:  17692326     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The dynamics of penetration is considered in the case where inertia effects are small. The effect of the contact line speed on the dynamic contact angle is taken into consideration. Analytical solutions are obtained for short and large times, and are found to cover together most of the time domain. The results obtained numerically show good agreement with the asymptotic solutions. The large-time solutions are valid in the case of penetration into horizontal capillaries. The large-time asymptotic solution shows a correction term compared to the Lucas-Washburn equation, which is found to be a limiting case valid for very large times (horizontal capillaries case). The analysis shows how to include gravity effects in the case of penetration into vertical tubes. Excellent agreement is found with available published experimental data.
Authors:
R Chebbi
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Publication Detail:
Type:  Journal Article     Date:  2007-07-05
Journal Detail:
Title:  Journal of colloid and interface science     Volume:  315     ISSN:  0021-9797     ISO Abbreviation:  J Colloid Interface Sci     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-09-24     Completed Date:  2008-02-20     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0043125     Medline TA:  J Colloid Interface Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  255-60     Citation Subset:  -    
Affiliation:
Department of Chemical Engineering, American University of Sharjah, Sharjah, United Arab Emirates. rchebbi@aus.edu
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