Motion state transitions in a vibrated granular bed

According to the level of vibrational acceleration, the granular layers in a vertical shaker may have several types of motion: heaping, coherent, expansion, wave and arching. The periodical collisions between particles and the base plate of the shaker result in unstable dynamics and the five motion...

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Bibliographic Details
Published in:Powder technology 1998-05, Vol.96 (3), p.219-226
Main Authors: Hsiau, S.S., Pan, S.J.
Format: Article
Language:English
Subjects:
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Granular beds
Granular solids
Material form
Physics
Rheology
Shakers
Vibrated beds
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Summary:According to the level of vibrational acceleration, the granular layers in a vertical shaker may have several types of motion: heaping, coherent, expansion, wave and arching. The periodical collisions between particles and the base plate of the shaker result in unstable dynamics and the five motion states, which are dependent on the amplitude of the vibrational acceleration. This study experimentally investigates the five states of motions and the state transitions.
ISSN:0032-5910
1873-328X
DOI:10.1016/S0032-5910(97)03377-9