Inertia and Air Drag in the Brazil Nut Problem
Y. Nahmad-Molinari, G. Canul-Chay, J. C. Ruiz-Suarez
Abstract
The rise dynamics of a large spherical particle, in a granular bed under vertical vibrations, is experimentally studied. An inductive device has been designed to track the particle while it climbs through the bed under different conditions. A simple model based in energy considerations is presented to explain our experimental data, drawing important conclusions about the physics of the phenomenon.
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