Intermittent Granular Flow and Clogging with Internal Avalanches
Abstract
The dynamics of intermittent granular flow through an orifice in a granular bin and the associated clogging due to formation of arches blocking the outlet, is studied numerically in two-dimensions. Our numerical results indicate that for small hole sizes, the system self-organizes to a steady state and the distribution of the grain displacements decays as power laws. On the other hand, for large holes, the outflow distributions are also observed to follow power law distributions.
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