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Numerical study of free-fall arches in hopper flows

文献类型：期刊论文

作者Lin, P.1; Zhang, S.1,2; Qi, J.1; Xing, Y. M.1,2; Yang, L.1
刊名PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
出版日期2015-01
卷号417页码:29-40
关键词Free-fall arch Discrete element method Hopper flow Granular materials GPU
ISSN号0378-4371
DOI10.1016/j.physa.2014.09.032
英文摘要Beverloo's law describes the flow rate of grains discharging from hoppers, where the assumption of a free-fall arch (FFA) is very useful in understanding the physical picture of this process. The FFA has been observed in previous experiments but a clear systematic study of the FFA is still necessary. In this paper, dense granular flow in hoppers was studied by numerical simulations, in attempts to explore the free-fall region and its boundary. Generally, the numerical simulation results support the free-fall arch assumption, although the statistical description of the FFA is not exactly equivalent to its strict definition. (C) 2014 Elsevier B.V. All rights reserved.
WOS关键词DISCRETE ELEMENT METHOD ; PREDICTING DISCHARGE DYNAMICS ; 2-DIMENSIONAL GRANULAR FLOW ; PARTICLE FLOW ; 3 DIMENSIONS ; METHOD DEM ; MODEL ; SIMULATIONS ; SOLIDS ; DISTRIBUTIONS
资助项目Chinese Academy of Sciences[XDA03030100]
WOS研究方向Physics
语种英语
WOS记录号WOS:000345721800004
出版者ELSEVIER SCIENCE BV
源URL[http://119.78.100.186/handle/113462/56634]  
专题中国科学院近代物理研究所
通讯作者Yang, L.
作者单位1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Lin, P.,Zhang, S.,Qi, J.,et al. Numerical study of free-fall arches in hopper flows[J]. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,2015,417:29-40.
APA Lin, P.,Zhang, S.,Qi, J.,Xing, Y. M.,&Yang, L..(2015).Numerical study of free-fall arches in hopper flows.PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,417,29-40.
MLA Lin, P.,et al."Numerical study of free-fall arches in hopper flows".PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS 417(2015):29-40.

入库方式： OAI收割

来源：近代物理研究所

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