Convective instability in foam drainage
WEAIRE, DENIS LAWRENCE
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Citation:Hutzler S, Weaire D and Crawford R `Convective instability in foam drainage? in Europhysics Letters, 41, 1998, pp 461 - 465
The use of a column of steadily drained foam as a sample of wet foam is limited by flow instability as the liquid fraction is increased. We report a study of this instability, which takes the form of a convective roll of bubble motion at a value of liquid fraction roughly half that of the wet foam limit at which a static wet foam becomes unstable.
Series/Report no:Europhysics Letters