Numerical simulation of micro-mixing in stirred reactors using the engulfment model coupled with CFD
Duan, Xiaoxia; Feng, Xin; Yang, Chao; Mao, Zai-Sha
2016-02-02
发表期刊CHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
卷号140期号:FEB页码:179-188
摘要Owing to computational efficiency and model simplicity, the engulfment model (E-model) is more suitable for studying micro-mixing in industrial scale reactors. However, the E-model does not contain the information of macro-mixing on the reactor scale. A CFD method coupled with the E-model is proposed and implemented to predict the micro-mixing in stirred tanks. The new modeling approach describes the small-scale segregation of fluid by solving the transport equations of mixture fraction and its variance based on the simulated macro-flow, and calculates the representative turbulence kinetic energy and dissipation in the reaction zone via the weighted average of mixture-fraction variance for the E-model. The predictions of segregation index compare with experimental results satisfactorily. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Micro-mixing Macro-mixing Computational Fluid Dynamics (Cfd) Engulfment Model Stirred Tank
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ces.2015.10.017
收录类别SCI
语种英语
关键词[WOS]PARALLEL CHEMICAL-REACTIONS ; TANK REACTORS ; PART I ; FLOW
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者973 Program(2012CB224806) ; National Natural Science Foundation of China(21306197 ; Major National Scientific Instrument Development Project(21427814) ; 21490584)
WOS记录号WOS:000367117300017
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被引频次:7[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/122111/20192
专题湿法冶金清洁生产技术国家工程实验室
作者单位Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
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Duan, Xiaoxia,Feng, Xin,Yang, Chao,et al. Numerical simulation of micro-mixing in stirred reactors using the engulfment model coupled with CFD[J]. CHEMICAL ENGINEERING SCIENCE,2016,140(FEB):179-188.
APA Duan, Xiaoxia,Feng, Xin,Yang, Chao,&Mao, Zai-Sha.(2016).Numerical simulation of micro-mixing in stirred reactors using the engulfment model coupled with CFD.CHEMICAL ENGINEERING SCIENCE,140(FEB),179-188.
MLA Duan, Xiaoxia,et al."Numerical simulation of micro-mixing in stirred reactors using the engulfment model coupled with CFD".CHEMICAL ENGINEERING SCIENCE 140.FEB(2016):179-188.
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