CAS OpenIR
theanisotropyoffreepathinavibrofluidizedgranulargas
Mei Yifeng1; Chen Yanpei1; Wang Wei1; Hou Meiying2
2016
Source Publicationchinesephysicsb
ISSN1674-1056
Volume25Issue:8
AbstractThe free path of a vibro-fluidized two-dimensional (2D) inelastic granular gas confined in a rectangular box is investigated by 2D event-driven molecular simulation. By tracking particles in the simulation, we analyze the local free path. The probability distribution of the free path shows a high tail deviating from the exponential prediction. The anisotropy of the free path is found when we separate the free path to x and y components. The probability distribution of y component is exponential, while x component has a high tail. The probability distribution of angle between the relative velocity and the unit vector joined two particle centers deviates from the distribution of two random vectors, indicating the existence of the dynamic heterogeneities in our system. We explain these results by resorting to the kinetic theory with two-peak velocity distribution. The kinetic theory agrees well with the simulation result.
Language英语
Funding Project[National Basic Research Program of China] ; [National Natural Science Foundation of China] ; [Chinese Academy of Sciences] ; [China Postdoctoral Science Foundation]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/36714
Collection中国科学院过程工程研究所
Affiliation1.中国科学院过程工程研究所
2.中国科学院物理研究所
First Author Affilication中国科学院过程工程研究所
Recommended Citation
GB/T 7714
Mei Yifeng,Chen Yanpei,Wang Wei,et al. theanisotropyoffreepathinavibrofluidizedgranulargas[J]. chinesephysicsb,2016,25(8).
APA Mei Yifeng,Chen Yanpei,Wang Wei,&Hou Meiying.(2016).theanisotropyoffreepathinavibrofluidizedgranulargas.chinesephysicsb,25(8).
MLA Mei Yifeng,et al."theanisotropyoffreepathinavibrofluidizedgranulargas".chinesephysicsb 25.8(2016).
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