| Issue |
EPJ Web Conf.
Volume 249, 2021
Powders & Grains 2021 – 9th International Conference on Micromechanics on Granular Media
|
|
|---|---|---|
| Article Number | 03002 | |
| Number of page(s) | 4 | |
| Section | Granular Flow | |
| DOI | https://doi.org/10.1051/epjconf/202124903002 | |
| Published online | 07 June 2021 | |
https://doi.org/10.1051/epjconf/202124903002
Discharge of soft and hard grains and their mixtures from 2D silos
1
Institute of Physics, Otto von Guericke University, Magdeburg, Germany
2
Institute for Solid State Physics and Optics, Wigner Research Center for Physics, Budapest, Hungary
* e-mail: ralf.stannarius@ovgu.de
Published online: 7 June 2021
The outflow characteristics of hard grains from containers with narrow basal openings have been extensively studied. Recently, it was shown that soft, low-frictional grains can behave qualitatively different from the behavior of rigid grains. We compare experimentally the discharge of monodisperse hard spheres, soft spheres and mixtures of both from a quasi-two dimensional (2D) silo. The experiments demonstrate the remarkable consequences of the addition of few hard particles to a soft particle ensemble, as well as the gradual transition between the two limiting cases of pure one-component materials.
A video is available at https://doi.org/10.48448/p4m1-d410
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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