典型文献
Structural relaxation and avalanche dynamics of particle piles under vertical vibration
文献摘要：
Granular matter can exhibit solid or liquid behavior,which contains complex physical mechanisms.In this work,we experimentally investigated the structural relaxation and avalanche dynamics of particle piles under vertical vibration.The influence of vibration parameters on the avalanche process was studied.The morphological features of avalanches were recorded and classified using high-speed camera.The effects of vibration parameters and particle properties on the relaxation mode are obtained.It is found that the evolution of particle pile height with time can be described by an exponential decay function.The relaxation rate and avalanche characteristics of four types of particles with different sizes are discussed.At the same acceleration level,for two larger particles,a smaller amplitude(A=0.025 mm)leads to a faster relaxation rate,while for two smaller particles,a large amplitude(A=0.500 mm)leads to a faster relaxation rate.The analogy powder surface tension is introduced to address the cohesion and flowability evolution of particles under vibration.
文献关键词：
中图分类号：
作者姓名：
Lizhuo Zhu;Haifeng Lu;Xiaolei Guo;Haifeng Liu
作者机构：
Shanghai Engineering Research Center of Coal Gasifiication,East China University of Science and Technology,Shanghai 200237,China
文献出处：
引用格式：
[1]Lizhuo Zhu;Haifeng Lu;Xiaolei Guo;Haifeng Liu-.Structural relaxation and avalanche dynamics of particle piles under vertical vibration)[J].颗粒学报（英文版）,2022(09):65-74
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AB值：
0.56376
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