Effect of Interstitial Media on Segregation in Vertically Vibrated Granular Mixtures

被引：0
|
作者：
袁小先 [1 ]
李粮生 [2 ]
文平平 [1 ]
史庆藩 [1 ]
郑宁 [1 ]
机构：
[1] School of Physics,Beijing Institute of Technology
[2] Science and Technology on Electromagnetic Scattering
来源：
Chinese Physics Letters | 2013年 / 30卷 / 01期
关键词：
D O I：
暂无
中图分类号：
O572.2 [粒子物理学];
学科分类号：
摘要：
Vertically vibrated segregation behaviors of binary granular mixtures with different interstitial media are experimentally investigated.To study the role of interstitial media on the segregation,two types of interstitial fluids are adopted and the resulting phase diagrams are compared.The water-immersed granular mixture exhibits two kinds of complete segregation behaviors:Brazil nut effect and sandwich patterns,at Jeast tie latter is absent in the same air-immersed mixture.Additionally,the segregation extent is improved remarkably for the waterimmersed mixture.The experimental observation further confirms that the effect of interstitial media on the relative motion of grains is one of the predominant mechanisms for granular segregation.
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页码：116 / 119
页数：4
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