Abstract:
The dynamics of intermittent granular flow through an orifice at the bottom of a granular bin and the associated clogging due to formation of arches blocking the outlet, is studied numerically in two dimensions. When the hole size is less than the grain diameter, only a single grain is removed from the system so that the system self-organizes to a steady state and the distribution of the grain displacements decays as power laws. On the other hand, when hole sizes are within few times of the grain diameter, the outflow distributions are also observed to follow a power law.
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Received 21 July 1999 and Received in final form 17 September 1999
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Manna, S., Herrmann, H. Intermittent granular flow and clogging with internal avalanches. Eur. Phys. J. E 1, 341–344 (2000). https://doi.org/10.1007/s101890050034
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DOI: https://doi.org/10.1007/s101890050034