Abstract:
This paper presents a molecular dynamics simulation of an experiment on the stability of a pile of glass beads in a rotating drum filled with a “humid” atmosphere. The experimental avalanche angles were found to be different whether the humidity came from water or heptane. These experimental results allow us to set the basic hypothesis of the modeling: in the heptane atmosphere the glass beads are connected by deformable liquid bridges, whereas in the case of a water atmosphere solid bridges form between the beads. The numerical calculations of the avalanche angle as a function of the undersaturated pressure of heptane or water are in good agreement with the experimental results.
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Received 25 May 2001 and Received in final form 31 October 2001
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Olivi-Tran, N., Fraysse, N., Girard, P. et al. Modeling and simulations of the behavior of glass particles in a rotating drum in heptane and water vapor atmospheres. Eur. Phys. J. B 25, 217–222 (2002). https://doi.org/10.1140/epjb/e20020024
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DOI: https://doi.org/10.1140/epjb/e20020024