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Pré-Publication, Document De Travail Année : 2006

Experimental growth law for bubbles in a "wet" 3D liquid foam

Résumé

We used X-ray tomography to characterize the geometry of all bubbles in a liquid foam of average liquid fraction $\phi_l\approx 17\,\%$ and to follow their evolution, measuring the normalized growth rate $\mathcal{G}=V^{-\frac{1}{3}}\frac{dV} {dt}$ for 7000 bubbles. While $\mathcal{G}$ does not depend only on the number of faces of a bubble, its average over $f-$faced bubbles scales as $G_f\sim f-f_0$ for large $f$s at all times. We discuss the dispersion of $\mathcal{G}$ and the influence of $V$ on $\mathcal{G}$.

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Dates et versions

hal-00134104 , version 1 (28-02-2007)

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Jérôme Lambert, Rajmund Mokso, Isabelle Cantat, Peter Cloetens, Renaud Delannay, et al.. Experimental growth law for bubbles in a "wet" 3D liquid foam. 2006. ⟨hal-00134104⟩
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