| Issue |
Europhys. Lett.
Volume 42, Number 6, June II 1998
|
|
|---|---|---|
| Page(s) | 619 - 624 | |
| Section | Classical areas of phenomenology | |
| DOI | https://doi.org/10.1209/epl/i1998-00561-8 | |
| Published online | 01 September 2002 | |
Granular flow in a rotating cylindrical drum
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:
27
February
1998
Accepted:
30
April
1998
Flow of granular material in a partially filled rotating cylinder is studied using a boundary layer approach. Simple equations are derived to describe granular dynamics in a transverse plane. A small parameter is recognized, and the derived equations are solved analytically in the first-order approximation of the small parameter. Cascading layer thickness, mean velocity along the layer and profile of the free surface are determined in a closed analytical form.
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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