We report an experimental study of the ascent of a large disk imbedded in a two-dimensional packing of small beads vertically vibrated. Two distinct mechanisms leading to size segregation are observed in situ. At high acceleration, the convection process associated with surface trapping is dominant. At low acceleration, we examine the effect of the size ratio on the dynamics of the segregation which is due to successive formation and destruction of arches.
No takes yet. Share an insight, caveat, or question.
Duran et al. (1994) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: