Flow-rate fluctuations in the outpouring of grains from a two-dimensional silo

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Flow-rate fluctuations in the outpouring of grains from a two-dimensional silo.

We present experimental results obtained with a two-dimensional silo discharging under gravity through an orifice at the flat bottom. High-speed measurements provide enough time resolution to detect every single bead that goes out and this allows the measurement of the flow rate in short-time windows. Two different regimes are clearly distinguished: one for large orifices, which can be describe...

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ژورنال

عنوان ژورنال: Physical Review E

سال: 2009

ISSN: 1539-3755,1550-2376

DOI: 10.1103/physreve.79.031302