中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 过程工程研究所
  3. 中国科学院过程工程研究所
Scale-up effect of residence time distribution of polydisperse particles in continuously operated multiple-chamber fluidized beds

文献类型：期刊论文

作者Lan, Bin1,2; Xu, Ji1,2; Zhao, Peng1,2; Zou, Zheng1,2; Wang, Junwu1,2,3; Zhu, Qingshan1,2,3
刊名CHEMICAL ENGINEERING SCIENCE
出版日期2021-11-23
卷号244页码:11
关键词Gas-solid flow Polydisperse particles Residence time distribution Discrete simulation Scale-up
ISSN号0009-2509
DOI10.1016/j.ces.2021.116809
英文摘要A GPU-based, massively parallel coarse-grained CFD-DEM method was adapted to study the scale-up effect of residence time distribution of polydisperse particles in continuously operated multiple chamber fluidized beds, where the bed is scaled up either by keeping a constant length of each chamber and increasing the number of chambers (Scaling method I) or by maintaining the number unchanged but increasing the length of each chamber (Scaling method II). It was shown that (i) the pressure drop and the residence time distribution of particles in a laboratory scale fluidized bed can be predicted reasonably well; (ii) when the solids feed rate is a constant (Operation I), the mean residence time of each type of particles scaled linearly as the bed length in both of Scaling methods I and II; (iii) when the solids feed rate is linearly increased with increasing bed length (Operation II), Scaling method I results in a continuously reduced ratio of mean residence time between coarse (medium) particles and fine particles, and the ratios level off with increasing bed length in Scaling method II; (iv) the mean residence time of particles can be inferred from the mean solids holdup obtained from CFD simulations and the mass fraction of particles at the inlet, thus offering a much faster way to estimate the mean residence time of particles; and (v) the equivalent number of perfect mixing tanks that corresponds to the mixing characteristics of real fluidized beds is linearly scaled as the bed length in Operation II, irrespective of Scaling methods. (c) 2021 Elsevier Ltd. All rights reserved.
WOS关键词EMMS DRAG MODEL ; SIZE DISTRIBUTION ; SIMULATION ; CFD ; GAS ; FLOW ; HYDRODYNAMICS
资助项目National Natural Science Foundation of China[11988102] ; National Natural Science Foundation of China[21978295] ; National Natural Science Foundation of China[91834303] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A13] ; Key Research Program of Frontier Science, Chinese Academy of Sciences[QYZDJ-SSW-JSC029] ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21030700] ; Fund of State Key Laboratory of Multiphase Complex Systems[MPCS-2019-A-07] ; Fund of State Key Laboratory of Multiphase Complex Systems[MPCS-2019-D-10]
WOS研究方向Engineering
语种英语
WOS记录号WOS:000672593300004
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences ; Key Research Program of Frontier Science, Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Fund of State Key Laboratory of Multiphase Complex Systems
源URL[http://ir.ipe.ac.cn/handle/122111/49361]  
专题中国科学院过程工程研究所
通讯作者Wang, Junwu; Zhu, Qingshan
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, PR, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, PR, Peoples R China
3.Chinese Acad Sci, Innovat Acad Green Mfg, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Lan, Bin,Xu, Ji,Zhao, Peng,et al. Scale-up effect of residence time distribution of polydisperse particles in continuously operated multiple-chamber fluidized beds[J]. CHEMICAL ENGINEERING SCIENCE,2021,244:11.
APA Lan, Bin,Xu, Ji,Zhao, Peng,Zou, Zheng,Wang, Junwu,&Zhu, Qingshan.(2021).Scale-up effect of residence time distribution of polydisperse particles in continuously operated multiple-chamber fluidized beds.CHEMICAL ENGINEERING SCIENCE,244,11.
MLA Lan, Bin,et al."Scale-up effect of residence time distribution of polydisperse particles in continuously operated multiple-chamber fluidized beds".CHEMICAL ENGINEERING SCIENCE 244(2021):11.

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。