Funnel flow
During funnel flow, only the bulk solids placed in the area more or less above the outlet are moving. The bulk solid adjacent to the hopper walls remains at rest, thus creating stagnating areas.
Figure: Funnel flow of particles.
During funnel flow, only the bulk solids placed in the area more or less above the outlet are moving. The bulk solid adjacent to the hopper walls remains at rest, thus creating stagnating areas.
Figure: Funnel flow of particles.