Granular discharge and clogging for tilted hoppers
Original entry by Sagar Bhandari, APPHY 225 Fall 2010
Granular discharge and clogging for tilted hoppers, Hannah G. Sheldon and D. J. Durian, Granular Matter,Volume 12, Number 6, 579-585
tilted hoppers, glass beads, granular discharge, clogging
In this paper, the authors study the behavior of spherical glass beads when passed through a small hole and the diameter and tilt angle - dependence of the flow rate. They also study the condition for zero flux /clogging in terms of hole diameter and tilt angle.
The authors use granular medium consisting of spherical glass beads, with two different diameters: d = 0.30 ± 0.05 mm and d = 0.9 ± 0.1 mm. Both have bulk density of 1.53±0.01 g/cubic cm. and draining angle of repose of 24 degrees. As a medium to pass the bead through, two different containers are used.