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Ripening of a draining foam bubble
- Source :
-
Journal of Colloid & Interface Science . Jun2009, Vol. 334 Issue 1, p82-86. 5p. - Publication Year :
- 2009
-
Abstract
- Abstract: A forced Ostwald ripening experiment is performed on a single foam bubble. The bubble size is followed as the system is wetted with a constant liquid flow rate delivered from one of the bubble Plateau borders. Obtained ripening velocities cannot be described with a model based on a constant film thickness assumption. Within these well-controlled experimental conditions, the film thickness is measured and found to depend on the imposed liquid flow rate. It is shown that the bubble growth rate is well predicted as the films thickness evolution is explicitly introduced in the ripening model. Finally, it is suggested that existing results for the coarsening of draining foams could be understood following the approach validated on the bubble scale. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00219797
- Volume :
- 334
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Journal of Colloid & Interface Science
- Publication Type :
- Academic Journal
- Accession number :
- 39359613
- Full Text :
- https://doi.org/10.1016/j.jcis.2009.02.042