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Effect of granular temperature and solid concentration fluctuation on the gas-solid drag force: A CFD test
Wang, Junwu1,2
2017-08-31
发表期刊CHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
卷号168页码:11-14
摘要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.
关键词Granular Temperature Solid Concentration Fluctuation Gas-solid Flow Fluidization Drag Force
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ces.2017.04.031
收录类别SCI
语种英语
关键词[WOS]DIRECT NUMERICAL-SIMULATION ; FLUIDIZED-BEDS ; EULERIAN SIMULATION ; FLOW ; MODEL ; PARTICLES ; 2-FLUID ; GELDART ; SUSPENSIONS ; SYSTEMS
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者NSFC(21422608)
WOS记录号WOS:000404492300002
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22717
专题多相复杂系统国家重点实验室
作者单位1.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
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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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