A numerical study of dynamics in thin hopper flow and granular jet*

doi:10.1088/1674-1056/ab7807

	A numerical study of dynamics in thin hopper flow and granular jet*
	Wang, Meng-Ke 1,2; Yang, Guang-Hui 1,2; Zhang, Sheng 1,2; Cai, Han-Jie 1,2; Lin, Ping 1,2; Chen, Liang-Wen 1,2; Yang, Lei 1,2
刊名	CHINESE PHYSICS B
	2020-04-01
卷号	29 期号:4 页码:11
关键词	cuboid hopper granular jet velocity field discrete element method continuum model
ISSN号	1674-1056
DOI	10.1088/1674-1056/ab7807
通讯作者	Lin, Ping(pinglin@impcas.ac.cn)
英文摘要	The dynamics of granular material discharging from a cuboid but thin hopper, including the hopper flow and granular jet, are investigated via discrete element method (DEM) simulations. The slot width is varied to study its influence on the flow. It is found the flow in the cuboid hopper has similarity with the flow in two-dimensional (2D) hopper. When the slot width is large, the flowrate is higher than the predicted value from Beverloo's law and the velocity distribution is not Gaussian-like. For granular jet, there is a transition with varying slot width. For large slot width, there is a dense core in the jet and the variations of velocities and density are relatively small. Finally, the availability of continuum model is assessed and the results show that the performance with large slot width is better than that with small slot width.
资助项目	National Natural Science Foundation of China[11705256] ; National Natural Science Foundation of China[11905272] ; National Postdoctoral Program for Innovative Talents, China[BX201700258] ; CAS Light of West China Program[2018-98] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21010202]
WOS关键词	DISCRETE ELEMENT METHOD ; KINEMATIC MODEL ; DUST EMISSION ; DISCHARGE ; SIMULATION ; MEDIA ; SILOS ; FIELD
WOS研究方向	Physics
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000529023100001
资助机构	National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents, China ; CAS Light of West China Program ; Strategic Priority Research Program of the Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/140525]
专题	中国科学院近代物理研究所
通讯作者	Lin, Ping
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	Wang, Meng-Ke,Yang, Guang-Hui,Zhang, Sheng,et al. A numerical study of dynamics in thin hopper flow and granular jet*[J]. CHINESE PHYSICS B,2020,29(4):11.
APA	Wang, Meng-Ke.,Yang, Guang-Hui.,Zhang, Sheng.,Cai, Han-Jie.,Lin, Ping.,...&Yang, Lei.(2020).A numerical study of dynamics in thin hopper flow and granular jet*.CHINESE PHYSICS B,29(4),11.
MLA	Wang, Meng-Ke,et al."A numerical study of dynamics in thin hopper flow and granular jet*".CHINESE PHYSICS B 29.4(2020):11.