CAS OpenIR  > 多相复杂系统国家重点实验室
Effect of granular temperature and solid concentration fluctuation on the gas-solid drag force: A CFD test
Wang, Junwu1,2
2017-08-31
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume168Pages:11-14
Abstract

Recent studies have shown that the expanded bed heights of bubbling fluidized beds obtained from direct numerical simulations (DNS) are higher than those obtained from CFD-DEM method. In this study, we show that the consideration of the effect of either granular temperature using the model proposed by Tang et al. (AIChE Journal, 2016, 62: 1958-1969) or solid concentration fluctuation on the interphase drag force can significantly improve the agreement with the DNS results. This study highlights the importance of the fluctuation of state variables on the accurate CFD simulation of gas fluidization. (C) 2017 Elsevier Ltd. All rights reserved.

KeywordGranular Temperature Solid Concentration Fluctuation Gas-solid Flow Fluidization Drag Force
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ces.2017.04.031
Indexed BySCI
Language英语
WOS KeywordDirect Numerical-simulation ; Fluidized-beds ; Eulerian Simulation ; Flow ; Model ; Particles ; 2-fluid ; Geldart ; Suspensions ; Systems
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNSFC(21422608)
WOS IDWOS:000404492300002
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22717
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Twente, Dept Sci & Technol, POB 217, NL-7500 AE Enschede, Netherlands
Recommended Citation
GB/T 7714
Wang, Junwu. Effect of granular temperature and solid concentration fluctuation on the gas-solid drag force: A CFD test[J]. CHEMICAL ENGINEERING SCIENCE,2017,168:11-14.
APA Wang, Junwu.(2017).Effect of granular temperature and solid concentration fluctuation on the gas-solid drag force: A CFD test.CHEMICAL ENGINEERING SCIENCE,168,11-14.
MLA Wang, Junwu."Effect of granular temperature and solid concentration fluctuation on the gas-solid drag force: A CFD test".CHEMICAL ENGINEERING SCIENCE 168(2017):11-14.
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