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 Repjournal_title
Scientific reportsauthors
Wen P,Zheng N,Nian J,Li L,Shi Qdoi
10.1038/srep09880subject
Has Abstractpub_date
2015-06-09 00:00:00pages
9880issn
2045-2322pii
srep09880journal_volume
5pub_type
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