Flow of anisometric particles in a quasi-2D hopper
Soft Condensed Matter
2018-08-01 v1
Abstract
The stationary flow field in a quasi-two-dimensional hopper is investigated experimentally. The behavior of materials consisting of beads and elongated particles with different aspect ratio is compared. We show, that while the vertical velocity in the flowing region can be fitted with a Gaussian function for beads, in the case of elongated grains the flowing channel is narrower and is bordered with sharper velocity gradient. For this case, we quantify deviations from the Gaussian velocity profile. Relative velocity fluctuations are considerably larger and slower for elongated grains.
Cite
@article{arxiv.1806.03004,
title = {Flow of anisometric particles in a quasi-2D hopper},
author = {Balazs Szabo and Zsolt Kovacs and Sandra Wegner and Ahmed Ashour and David Fischer and Ralf Stannarius and Tamas Borzsonyi},
journal= {arXiv preprint arXiv:1806.03004},
year = {2018}
}
Comments
6 pages, 6 figures, submitted to Phys. Rev. E