A numerical study of dynamics in thin hopper flow and granular jet*
文献类型：期刊论文
| 作者 | Wang, Meng-Ke1,2; Yang, Guang-Hui1,2; Zhang, Sheng1,2 ; Cai, Han-Jie1,2; Lin, Ping1,2; Chen, Liang-Wen1,2; Yang, Lei1,2
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| 刊名 | CHINESE PHYSICS B
 |
| 出版日期 | 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. |
| WOS关键词 | DISCRETE ELEMENT METHOD ; KINEMATIC MODEL ; DUST EMISSION ; DISCHARGE ; SIMULATION ; MEDIA ; SILOS ; FIELD |
| 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研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000529023100001 |
| 出版者 | IOP PUBLISHING LTD |
| 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 |
| 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. |
入库方式： OAI收割
来源：近代物理研究所
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