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Author (up) Forel, E.; Rio, E.; Schneider, M.; Beguin, S.; Weaire, D.; Hutzler, S.; Drenckhan, W. doi  openurl
  Title The surface tells it all: relationship between volume and surface fraction of liquid dispersions Type Journal Article
  Year 2016 Publication Soft Matter Abbreviated Journal  
  Volume 12 Issue 38 Pages 8025-8029  
  Keywords  
  Abstract The properties of liquid dispersions, such as foams or emulsions, depend strongly on the volume fraction phi of the continuous phase. Concentrating on the example of foams, we show experimentally and theoretically that phi may be related to the fraction phi(s) of the surface at a wall which is wetted by the continuous phase – given an expression for the interfacial energy or osmotic pressure of the bulk system. Since the surface fraction phi(s) can be readily determined from optical measurement and since there are good general approximations available for interfacial energy and osmotic pressure we thus arrive at an advantageous method of estimating phi. The same relationship between phi and phi(s) is also expected to provide a good approximation of the fraction of the bubble or drop surface which is wetted by the continuous phase. This is a parameter of great importance for the rheology and ageing of liquid dispersions.  
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  Series Volume Series Issue Edition  
  ISSN 1744-683x ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Admin @ benzerara @ Isi:000385369500015 Serial 14243  
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