Document Detail


Probing with a laser sheet the contact angle distribution along a contact line.
MedLine Citation:
PMID:  14651909     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
An optical method for probing contact angle distribution along contact lines of any shape using a laser sheet is proposed. This method is applied to a dry patch formed inside a film flowing along an inclined plane, both liquid and solid being transparent. Falling normally to the plane, a laser sheet cuts the contact line and is moved along this line. Distortions of the sheet trace observed on a screen put below the plane allow us to extract the contact angle distribution and the local line inclination along the line. Our results show that the contact angle around a dry patch is nearly constant and equal to the static advancing angle, at least when the evolution of its shape is followed for increasing flow rates. This supports a model of dry patch shape recently proposed by Podgorski and co-workers. Preliminary results obtained for decreasing flow are also qualitatively observed.
Authors:
E Rio; A Daerr; L Limat
Related Documents :
12186049 - Normalized amplitude quotient for parametrization of the glottal flow.
3696079 - The solution of bloch equations for flowing spins during a selective pulse using a fini...
11135989 - Theoretical analysis of a dripping faucet.
20464499 - Multiphysics simulation of a microfluidic perfusion chamber for brain slice physiology.
18285029 - Flow velocity profile via time-domain correlation: error analysis and computer simulation.
709749 - The relation between arterial viscoelasticity and wave propagation in the canine femora...
18699609 - Production of centrifugal fields greater than 100 million times gravity.
1148229 - "carrier" theory and thermodynamics of irreversible processes.
19659159 - Prewetting of liquid hydrogen on rough cesium substrates.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of colloid and interface science     Volume:  269     ISSN:  0021-9797     ISO Abbreviation:  J Colloid Interface Sci     Publication Date:  2004 Jan 
Date Detail:
Created Date:  2003-12-03     Completed Date:  2004-08-19     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:  164-70     Citation Subset:  -    
Affiliation:
Laboratoire de Physique et Mécanique des Milieux Hétérogènes, UMR 7636 du CNRS, 10 rue Vauquelin, 75 005 Paris, France.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Ordered droplet formation by thin polymer film dewetting on a stripe-patterned substrate.
Next Document:  Advancing contact lines on chemically patterned surfaces.