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Computational simulation of fluid dynamics in a tubular stirred reactor
Alternative TitleComputational simulation of fluid dynamics in a tubular stirred reactor
Cao Xiaochang; Zhang Tingan; Zhao Qiuyue
2009
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume19Issue:2Pages:489-495
AbstractThe flow and concentration fields in a new style tubular stirred reactor were simulated by simulating the fluids dynamics(CFD), in which FLUENT software was used and the standard k-epsilon model and multiple reference frame(MRF) were adopted. The various values of initial rotating speed and inlet flow rate were adopted. Simulations were validated with experimental residence time distribution(RTD) determination. It is shown that the fluid flow is very turbulent and the flow pattern approaches to the plug flow. The velocity increases from shaft to the end of impeller, and the gradient is enlarged by increasing the rotating speed. Comparison between RTD curves shows that agitation can improve the performance of reactor. As the flow rate increases, the mean residence time decreases proportionally, and the variance of RTD lessens as well. When rotating speed increases to a certain value, the variance of RTD is enlarged by increasing rotating speed, but the mean residence time has no obvious change.
Other AbstractThe flow and concentration fields in a new style tubular stirred reactor were simulated by simulating the fluids dynamics(CFD), in which FLUENT software was used and the standard k-ε model and multiple reference frame(MRF) were adopted. The various values of initial rotating speed and inlet flow rate were adopted. Simulations were validated with experimental residence time distribution(RTD) determination. It is shown that the fluid flow is very turbulent and the flow pattern approaches to the plug flow. The velocity increases from shaft to the end of impeller, and the gradient is enlarged by increasing the rotating speed. Comparison between RTD curves shows that agitation can improve the performance of reactor. As the flow rate increases, the mean residence time decreases proportionally, and the variance of RTD lessens as well. When rotating speed increases to a certain value, the variance of RTD is enlarged by increasing rotating speed, but the mean residence time has no obvious change.
KeywordRESIDENCE TIME DISTRIBUTION NUMERICAL-SIMULATION RUSHTON TURBINE FLOW VESSELS STRESS computational fluid dynamics(CFD) residence time distribution(RTD) tubular stirred reactor
Indexed ByCSCD
Language英语
Funding Project[PhD Program Foundation of Ministry of Education of China] ; [Foundation of Excellent Talents of Science and Technology of Liaoning Province, China]
CSCD IDCSCD:3641112
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/154856
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Cao Xiaochang,Zhang Tingan,Zhao Qiuyue. Computational simulation of fluid dynamics in a tubular stirred reactor[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2009,19(2):489-495.
APA Cao Xiaochang,Zhang Tingan,&Zhao Qiuyue.(2009).Computational simulation of fluid dynamics in a tubular stirred reactor.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,19(2),489-495.
MLA Cao Xiaochang,et al."Computational simulation of fluid dynamics in a tubular stirred reactor".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 19.2(2009):489-495.
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