Volume 42, Number 4, May II 1998
|Page(s)||413 - 418|
|Section||Classical areas of phenomenology|
|Published online||01 September 2002|
Sand behavior in a cavity with incompressible liquid under vertical vibrations
Perm State Pedagogical University - Perm, Russia
2 Ecole Centrale de Paris - Paris, France
Accepted: 27 March 1998
The mean dynamics of a “thick” sand bed in a closed cell filled with liquid and subjected to vertical vibration is reported at different amplitudes b and frequencies of vibration for different grain sizes. The generation of a quasi-steady relief made of a 2D regular system of heaps of relatively small size is found. The gradual transition from rest to relief formation and after it to liquefaction and parametrical oscillations of the sand surface with increasing vibration intensity is studied. The dimensionless vibrational parameters governing these transitions are determined.
PACS: 47.20.-k – Hydrodynamic stability / 81.20.Ev – Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation
© EDP Sciences, 1998
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