Particle-level dynamics of clusters: Experiments in a gas-fluidized bed
文献类型：期刊论文
| 作者 | Wang, Haifeng1,2,3; Chen, Yanpei1 ; Wang, Wei1,2
|
| 刊名 | AICHE JOURNAL
 |
| 出版日期 | 2021-11-26 |
| 页码 | 16 |
| 关键词 | cluster gas-solid fluidization mesoscale particle tracking velocimetry time-resolved evolution |
| ISSN号 | 0001-1541 |
| DOI | 10.1002/aic.17525 |
| 英文摘要 | Clustering is critical to understanding the multiscale behavior of fluidization. However, its time-resolved evolution at the particle level is seldom touched. Here, we explore both the time-averaged and time-resolved dynamics of clusters in a quasi-2D fluidized bed. Particle tracking velocimetry is adopted, and then clusters are identified by using Voronoi analysis. The time-averaged results show that the number distribution of the cluster size follows a power law (similar to n(c)(-2.2)) except for large clusters (n(c) > 100). Time-resolved analysis demonstrates that the cluster coalescence can be simplified as a collision between two inelastic clusters, during which the mean speed, kinetic energy, and total Voronoi cell area of particles decrease until the formation of the big cluster. Then, a model is proposed to predict its energy loss, which gives Delta E similar to t(3/2). Moreover, the breakup of the cluster is linked to increasing dimensionless torque on the particles. |
| WOS关键词 | SOLID FLOWS ; HETEROGENEOUS STRUCTURE ; CONSTITUTIVE MODELS ; INERTIAL PARTICLES ; HEAT-TRANSFER ; WALL ; RISER ; BEHAVIOR ; SIMULATION ; INSTABILITY |
| 资助项目 | Strategic Priority Research Program of Chinese Academy of Sciences[XDA17010202] ; National Natural Science Foundation of China[11702291] ; National Natural Science Foundation of China[21625605] ; National Natural Science Foundation of China[21821005] ; National Natural Science Foundation of China[22161142006] ; National Natural Science Foundation of China[U1710251] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A03] ; Fund of State Key Laboratory of Multiphase complex systems[MPCS-2019-A-06] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000722861500001 |
| 出版者 | WILEY |
| 资助机构 | Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences ; Fund of State Key Laboratory of Multiphase complex systems |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/51254]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Chen, Yanpei; Wang, Wei |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing, Peoples R China 3.SINOPEC, Res Inst Petr Proc, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Haifeng,Chen, Yanpei,Wang, Wei. Particle-level dynamics of clusters: Experiments in a gas-fluidized bed[J]. AICHE JOURNAL,2021:16. |
| APA | Wang, Haifeng,Chen, Yanpei,&Wang, Wei.(2021).Particle-level dynamics of clusters: Experiments in a gas-fluidized bed.AICHE JOURNAL,16. |
| MLA | Wang, Haifeng,et al."Particle-level dynamics of clusters: Experiments in a gas-fluidized bed".AICHE JOURNAL (2021):16. |
入库方式： OAI收割
来源：过程工程研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。