Abstract— I present a theoretical model to investigate the transport properties of granular materials on an inclined vibratory conveyor driven by circular oscillations. My model treats the granular dynamics on a vibratory conveyor as a combination of sliding and oblique hopping of a granular block with specific inelastic and frictional properties. The calculations show optimal transport conditions for the transport velocity efficiency, with an extra transport velocity efficiency minimum when the inclination of the vibratory conveyor is non zero. The investigations also show a current reversal under a certain inclination angle which does depend on the friction force.
Keywords— Granular matter, vibratory conveyors, transport velocity efficiency, current reversal, optimal transport conditions.
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