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Relationship between flow structure and transfer coefficients in fast fluidized beds
Hou, Baolin1,2; Li, Hongzhong1; Li, HZ
2010-03-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume157Issue:2-3Pages:509-519
AbstractIn this paper, the relationships between the bed structural parameters and momentum transfer, mass transfer and heat transfer in fast fluidized beds are analyzed for Geldart A or B particles. The influence of dispersion and aggregation of particles on the mass transfer coefficient and heat transfer coefficient is discussed. The equations for calculating the drag force coefficient, mass transfer coefficient and heat transfer coefficient in fast fluidized beds are developed based on eight structural parameters (U(fd), U(fc), U(pd), U(pc), d(c), f, epsilon(d) and epsilon(c)) of heterogeneous beds. which can be solved by the Energy-Minimization Multi-Scale (EMMS) model. The drag force has been calculated based on the local bed structural parameters and the calculated solids flux and solids concentration are compared with the experimental data in the literature. For the heat transfer and mass transfer, the averaged bed structural parameters are employed to calculate the averaged heat transfer and mass transfer coefficients, and the results are compared with the experimental data from the literature. The simulating results are in good agreement with experimental data. (C) 2010 Elsevier B.V. All rights reserved.
KeywordStructure Momentum Transfer Mass Transfer Heat Transfer Fast Fluidized Bed Multiphase Flow Particle
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cej.2009.12.047
Indexed BySCI
Language英语
WOS KeywordMASS-TRANSFER ; GAS ; MULTISCALE ; MODEL
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000275868500027
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6188
Collection多相复杂系统国家重点实验室
Corresponding AuthorLi, HZ
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hou, Baolin,Li, Hongzhong,Li, HZ. Relationship between flow structure and transfer coefficients in fast fluidized beds[J]. CHEMICAL ENGINEERING JOURNAL,2010,157(2-3):509-519.
APA Hou, Baolin,Li, Hongzhong,&Li, HZ.(2010).Relationship between flow structure and transfer coefficients in fast fluidized beds.CHEMICAL ENGINEERING JOURNAL,157(2-3),509-519.
MLA Hou, Baolin,et al."Relationship between flow structure and transfer coefficients in fast fluidized beds".CHEMICAL ENGINEERING JOURNAL 157.2-3(2010):509-519.
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