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Numerical study of solid-liquid two-phase flow in stirred tanks with Rushton impeller - (I) Formulation and simulation of flow field
Alternative TitleChin. J. Chem. Eng.
Wang, F; Wang, WJ; Mao, ZH
2004-10-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume12Issue:5Pages:599-609
AbstractThree-dimensional solid-liquid flow is mathematically formulated by means of the "two-fluid" approach and the two-phase k-epsilon-A(p) turbulence model. The turbulent fluctuation correlations appearing in the Reynolds time averaged governing equations are fully incorporated. The solid-liquid flow field and solid concentration distribution in baffled stirred tanks with a standard Rushton impeller are numerically simulated using an improved "inner-outer" iterative procedure. The flow pattern is identified via the velocity vector plots and a recirculation loop with higher solid concentration is observed in the central vicinity beneath the impeller. Comparison of the simulation with experimental data on the mean velocities and the turbulence quantities of the solid phase is made and quite reasonable agreement is obtained except for the impeller swept volume. The counterpart of liquid phase is presented as well. The predicted solid concentration distribution for three experimental cases with the average solid concentration up to 20% is also found to agree reasonably with the experimental results published in the literature.; Three-dimensional solid-liquid flow is mathematically formulated by means of the "two-fluid" approach and the two-phase k-epsilon-A(p) turbulence model. The turbulent fluctuation correlations appearing in the Reynolds time averaged governing equations are fully incorporated. The solid-liquid flow field and solid concentration distribution in baffled stirred tanks with a standard Rushton impeller are numerically simulated using an improved "inner-outer" iterative procedure. The flow pattern is identified via the velocity vector plots and a recirculation loop with higher solid concentration is observed in the central vicinity beneath the impeller. Comparison of the simulation with experimental data on the mean velocities and the turbulence quantities of the solid phase is made and quite reasonable agreement is obtained except for the impeller swept volume. The counterpart of liquid phase is presented as well. The predicted solid concentration distribution for three experimental cases with the average solid concentration up to 20% is also found to agree reasonably with the experimental results published in the literature.
KeywordStirred Tank Solid-liquid Flow Two-fluid Model Inner-outer Iterative Procedure Numerical Simulation
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordSLURRY MIXING TANK ; CONCENTRATION PROFILES ; PARTICLE DISTRIBUTION ; CONDUCTIVITY PROBE ; SUSPENSION ; VESSELS ; DISPERSION
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000225183400001
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/4978
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Wang, F,Wang, WJ,Mao, ZH. Numerical study of solid-liquid two-phase flow in stirred tanks with Rushton impeller - (I) Formulation and simulation of flow field[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2004,12(5):599-609.
APA Wang, F,Wang, WJ,&Mao, ZH.(2004).Numerical study of solid-liquid two-phase flow in stirred tanks with Rushton impeller - (I) Formulation and simulation of flow field.CHINESE JOURNAL OF CHEMICAL ENGINEERING,12(5),599-609.
MLA Wang, F,et al."Numerical study of solid-liquid two-phase flow in stirred tanks with Rushton impeller - (I) Formulation and simulation of flow field".CHINESE JOURNAL OF CHEMICAL ENGINEERING 12.5(2004):599-609.
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