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Assessment of polydisperse drag models for the size segregation in a bubbling fluidized bed using discrete particle method
Zhang, Yong1,2; Zhao, Yuemin1; Lu, Liqiang2; Ge, Wei2,3; Wang, Junwu2; Duan, Chenlong1
2017-03-16
发表期刊CHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
卷号160页码:106-112
摘要

Polydisperse gas-particle flow is often encountered in industry and many polydisperse drag models have been developed in literature. In this work, discrete particle method was employed to assess polydisperse drag models for the segregation and mixing of binary gas-particle flow in a bubbling fluidized bed. The degree of particle segregation and the characteristic bubble frequency using different polydisperse drag models were analyzed. It was shown that the results predicted by the model of Rong et al. (2014) are in a best agreement with experimental data with 5.3% errors on average, and two dominant bubble frequencies were found by analyzing the fluctuations of average particle height.

关键词Drag Force Model Fluidization Gas-solid Flow Multiphase Flow Cfd-dem Method
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ces.2016.11.028
收录类别SCI
语种英语
关键词[WOS]Gas-solid Flow ; Lattice-boltzmann Simulation ; Method-emms-dpm ; Packed-columns ; Random Arrays ; Cfb Risers ; Spheres ; Velocity ; Systems ; Expansion
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China(51620105001 ; Natural Science Foundation of Jiangsu Province(BK20160055) ; Priority Academic Program Development of Jiangsu Higher Education Institutions(KYLX15_1412) ; 51304196 ; 91434133 ; 91334106 ; 21406238)
WOS记录号WOS:000393534800009
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21922
专题多相复杂系统国家重点实验室
作者单位1.China Univ Min & Technol, Sch Chem Engn & Technol, Xuzhou 221116, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Yong,Zhao, Yuemin,Lu, Liqiang,et al. Assessment of polydisperse drag models for the size segregation in a bubbling fluidized bed using discrete particle method[J]. CHEMICAL ENGINEERING SCIENCE,2017,160:106-112.
APA Zhang, Yong,Zhao, Yuemin,Lu, Liqiang,Ge, Wei,Wang, Junwu,&Duan, Chenlong.(2017).Assessment of polydisperse drag models for the size segregation in a bubbling fluidized bed using discrete particle method.CHEMICAL ENGINEERING SCIENCE,160,106-112.
MLA Zhang, Yong,et al."Assessment of polydisperse drag models for the size segregation in a bubbling fluidized bed using discrete particle method".CHEMICAL ENGINEERING SCIENCE 160(2017):106-112.
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