Relaxation and flow in linearly sheared two-dimensional foams

Details Relaxation and flow in linearly sheared two-dimensional foams Relaxation and flow in linearly sheared two-dimensional foams

2008-11-04

arxiv.org/abs/0811.0534v2

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 5 figures, RevTeX, rev1: revised manuscript and figures

Scientific paper

We probe the relation between shear induced structural relaxation and rheology in experiments on sheared two-dimensional foams. The relaxation time, which marks the crossover to diffusive bubble motion, is found to scale non-trivially with the local strain rate. The rheology of the foam is shown to be intimately linked to the scaling of the relaxation time, thus connecting macroscopic flow and microscopic bubble motion.

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