| Issue |
Europhys. Lett.
Volume 43, Number 1, July I 1998
|
|
|---|---|---|
| Page(s) | 17 - 22 | |
| Section | Classical areas of phenomenology | |
| DOI | https://doi.org/10.1209/epl/i1998-00312-y | |
| Published online | 01 September 2002 | |
Kinematics of the mixing of granular material in slowly rotating containers
The Pearlstone Center for Aeronautical Engineering Studies,
Department of Mechanical Engineering, Ben-Gurion University of the Negev,
P.O. Box 653, Beer-Sheva 84105, Israel
Received:
9
February
1998
Accepted:
13
May
1998
The mixing of granular material in a two-dimensional slowly rotating container is studied using a kinematic approach. A simple model is proposed to estimate the mixing capacity of a mixer when the particles diffusivity is small. Different geometries of the container are examined numerically. The mixing rate index for the case of a circular drum is derived analytically. The optimum shape of the container and the optimum filling level are discussed.
PACS: 46.10.+z – Mechanics of discrete systems / 05.60.+w – Transport processes: theory / 83.70.Fn – Granular solids
© EDP Sciences, 1998
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