Dynamic Behaviors of Supersonic Granular Media under Vertical Vibration

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We present experimental study of vibrofluidized granular materials by high speed photography. Statistical results present the averaged dynamic behaviors of granular materials in one cycle, including the variations of height, velocity and mechanical energy of the center of mass. Furthermore, time-space distribution of granular temperature which corresponds to the random kinetic energy shows that a temperature peak forms in the compression period and propagates upward with a steepened front. The Mach number in the steepened front is found to be greater than unity, indicating a shock propagating in the supersonic granular media.
7pages, 3figures, submitted to Proceedings of WCU/UI2005 (Beijing, China)

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Soft Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/104348

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0511689
 http://arxiv.org/abs/cond-mat/0511689

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arXiv