Volume 35, Number 3, July 1996
|Page(s)||159 - 164|
|Published online||01 September 2002|
Patterning of “liquefied” sand surface in a cylinder filled with liquid and subjected to horizontal vibrations
Perm State Pedagogical University, Russia
2 Laboratoire de Mécanique, Ecole Centrale de Paris, URA 850 CNRS, 92295 Châtenay-Malabry, France
Accepted: 3 June 1996
Sand liquefaction has been generated by horizontal vibration of a sand-liquid mixture. The pattern formation of the sand-liquid interface was found at large vibration intensity. The vibro-convective nature of this relief generation is proved. We demonstrate that the only controlling parameter is (radian frequency , amplitude b, cell diameter D, gravity g). An analogy is made with the vibro-convective relief generation of the interface between two immiscible liquids in a closed cell submitted to high-frequency horizontal vibration. Hence, most of the results are similar to those obtained with a liquid-liquid interface as shown in this paper; nevertheless we emphasize some peculiarities of sand behavior.
PACS: 03.40.Kf – Waves and wave propagation: general mathematical aspects / 46.30.My – Vibrations, aeroelasticity, hydroelasticity, mechanical waves, and shocks / 47.55.Kf – Multiphase and particle-laden flows
© EDP Sciences, 1996
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