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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
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume160Pages:106-112
Abstract

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.

KeywordDrag Force Model Fluidization Gas-solid Flow Multiphase Flow Cfd-dem Method
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ces.2016.11.028
Indexed BySCI
Language英语
WOS KeywordGas-solid Flow ; Lattice-boltzmann Simulation ; Method-emms-dpm ; Packed-columns ; Random Arrays ; Cfb Risers ; Spheres ; Velocity ; Systems ; Expansion
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational 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 IDWOS:000393534800009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21922
Collection多相复杂系统国家重点实验室
Affiliation1.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
Recommended Citation
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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