[en] A compound drop is made of a millimetric water drop encapsulated in an oil shell. They are obtained by merging one drop of each component (water and oil). Afterwards, they are laid on a high viscosity oil bath which is vertically vibrated. When the forcing acceleration is higher than a given threshold Γth, compound drops can bounce on the surface. We show that above a second threshold Γe > Γth some oil contained in the shell enters in the inner water droplet forming a stable double emulsion.
Disciplines :
Physics
Author, co-author :
Terwagne, Denis ; Université de Liège - ULiège > Département de physique > Physique statistique
gilet, tristan
Vandewalle, Nicolas ; Université de Liège - ULiège > Département de physique > Physique statistique
Dorbolo, Stéphane ; Université de Liège - ULiège > Département de physique > Physique statistique
Language :
English
Title :
Double emulsion in a compound droplet
Publication date :
2010
Journal title :
Colloids and Surfaces A: Physicochemical and Engineering Aspects
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