Bubble rearrangement duration in foams near the jamming point
M Le Merrer, S Cohen-Addad, R Höhler - Physical review letters, 2012 - APS
M Le Merrer, S Cohen-Addad, R Höhler
Physical review letters, 2012•APSWe investigate the dynamics of bubble rearrangements in coarsening foams, using a time-
resolved multiple light scattering technique. We measure the average duration of such
events as a function of the foam confinement pressure. Rearrangements slow down as the
pressure is decreased toward the jamming point. Our results are explained by a scaling law
based on the balance of pressure and Darcy flow, highlighting an analogy between wet
foams with mobile interfaces and suspensions of hard grains.
resolved multiple light scattering technique. We measure the average duration of such
events as a function of the foam confinement pressure. Rearrangements slow down as the
pressure is decreased toward the jamming point. Our results are explained by a scaling law
based on the balance of pressure and Darcy flow, highlighting an analogy between wet
foams with mobile interfaces and suspensions of hard grains.
We investigate the dynamics of bubble rearrangements in coarsening foams, using a time-resolved multiple light scattering technique. We measure the average duration of such events as a function of the foam confinement pressure. Rearrangements slow down as the pressure is decreased toward the jamming point. Our results are explained by a scaling law based on the balance of pressure and Darcy flow, highlighting an analogy between wet foams with mobile interfaces and suspensions of hard grains.
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