Flux of granular particles through a shaken sieve plate.

Abstract:

:We experimentally investigate a discharging flux of granular particles through a sieve plate subject to vertical vibrations. The mean mass flux shows a non-monotonic relation with the vibration strength. High-speed photography reveals that two stages, the free flight of the particles' bulk over the plate and the adhesion of the particles' bulk with the plate, alternately appear, where only the adhesion stage contributes to the flow. With two independent methods, we then measure the adhesion time under different vibration conditions, and define an adhesion flux. The adhesion flux monotonically increases with increasing vibration strength. By rescaling the adhesion flux, we find that the adhesion flux is approximately determined by the peak vibration velocity of the shaker. The conclusion is examined with other sieve geometries.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Wen P,Zheng N,Nian J,Li L,Shi Q

doi

10.1038/srep09880

subject

Has Abstract

pub_date

2015-06-09 00:00:00

pages

9880

issn

2045-2322

pii

srep09880

journal_volume

5

pub_type

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