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Coarse grid simulation of the hydrodynamics of binary gas-solid flow in CFB risers
Qin, Zhiyuan1,2; Wang, Junwu1
2019-03-01
Source PublicationCANADIAN JOURNAL OF CHEMICAL ENGINEERING
ISSN0008-4034
Volume97Issue:3Pages:793-807
AbstractCFD simulation has become an effective way to study the mixing and segregation characteristics of gas-solid flow in CFB risers, which is important for the proper operation and design of such reactors. In this study, the numerical solution of a recently developed EMMS drag model for binary gas-solid flow which considers the effect of particle clustering structures on the interphase drag forces was first improved, it was then coupled with a multifluid model to perform extensive 3D simulations of the mixing and segregation pattern of binary gas-solid flow in CFB risers. It was shown that the experimental data of axial solid concentration profiles and radial solid mass flux distributions can be captured reasonably by the combined EMMS-multifluid model, indicating that the model is able to reproduce the hydrodynamics of complex gas-solid flow with particle size distribution.
Keywordfluidization clustering structure drag model heterogeneous structure multiphase flow
DOI10.1002/cjce.23160
Language英语
WOS KeywordGROUP-B PARTICLES ; FILTERED 2-FLUID MODELS ; FAST FLUIDIZED-BED ; SIZE DISTRIBUTION ; EULERIAN SIMULATION ; SPECIES SEGREGATION ; BIDISPERSE ARRAYS ; GAS/PARTICLE FLOW ; MULTISCALE NATURE ; KINETIC-THEORY
Funding ProjectNational Natural Science Foundation of China[21406238] ; National Natural Science Foundation of China[21422608] ; "Strategic Priority Research Program" of the Chinese Academy of Sciences[XDA07080200]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; "Strategic Priority Research Program" of the Chinese Academy of Sciences
WOS IDWOS:000458447500020
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27925
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Junwu
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Qin, Zhiyuan,Wang, Junwu. Coarse grid simulation of the hydrodynamics of binary gas-solid flow in CFB risers[J]. CANADIAN JOURNAL OF CHEMICAL ENGINEERING,2019,97(3):793-807.
APA Qin, Zhiyuan,&Wang, Junwu.(2019).Coarse grid simulation of the hydrodynamics of binary gas-solid flow in CFB risers.CANADIAN JOURNAL OF CHEMICAL ENGINEERING,97(3),793-807.
MLA Qin, Zhiyuan,et al."Coarse grid simulation of the hydrodynamics of binary gas-solid flow in CFB risers".CANADIAN JOURNAL OF CHEMICAL ENGINEERING 97.3(2019):793-807.
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