La Houille Blanche
Number 5-6, Août 1998
|Page(s)||73 - 80|
|Published online||01 August 2009|
Etude des mousses de décontamination en écoulement : méthodes de caractérisation
The study of flow decontamination foams: characterization methods
CEA Cadarache, DESD/SEP/LETD
The use of foams for the decontamination of nuclear facilities has great potentialities. There is an increasing number of studies, concerning new foam formulations, adapted to new purposes. In order to sustain these actions, fundamental studies are in progress. Concerning foam flow, an Ostwald de Weale rheological behaviour has been found and constants of this model have been calculated. Foam structure and stability have also been studied using an image analysis method. Although foam structure can only be studied at the wall, this method is quite relevant, for it is a non-intrusive measurement. Yet, a little number of specific measuring devices have been developped at this time. Our present results encourage us to investigate new measuring methods in the particular domain of wet foams. This will enable us to improve rheological and stability modeling.
© Société Hydrotechnique de France, 1998
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