Auto-amplifying dynamic behavior of heap and convection in granular material

被引：0
|
作者：
Chen, WZ [1 ]
Wei, RJ
机构：
[1] Nanjing Univ, Inst Acoust, Nanjing 210093, Peoples R China
[2] Nanjing Univ, State Key Lab Modern Acoust, Nanjing 210093, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 1998年 / 43卷 / 08期
关键词：
heap; convection; auto-amplifying; granular material;
D O I：
10.1007/BF02883565
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Two experiments have been carried out to understand the physical characteristics of surface heap and internal convection of granular material subjected to vertical vibration. The results show that they have a clear auto-amplifying behavior. An effective force leading to the heap and convection has been obtained, which includes the square and cubic terms of the local height.
引用
收藏
页码：643 / 646
页数：4
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