期刊
PHYSICS OF FLUIDS
卷 20, 期 11, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3013896
关键词
granular flow; granular materials
资金
- Indo-French Centre for the Promotion of Advanced Research (IFCPAR)
- Agence National de la Recherche (ANR)
We experimentally investigate how a layer of granular material fully immersed in a liquid starts to flow when suddenly inclined from a horizontal position. The flow is shown to strongly depend on the initial volume fraction, its initiation being dramatically delayed by a slight initial compaction. A model, which takes into account the dilatant behavior of the granular material and the coupling with the interstitial fluid, captures the main experimental features. (c) 2008 American Institute of Physics.
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