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Chemcial Industry and Engineering 2003, Vol. 20 Issue (5) :292-296    DOI:
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Modeling of Liquid Circulation in Bubble Columns
GUO Ying-feng, LIU Hui, LI Cheng-yue��ns (MEC) ��Beijing University of Chemical Technology, Beijing 100029, China)����
(MEC) ��Beijing University of Chemical Technology, Beijing 100029, China)��

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Abstract In this paper,an one dimensional flow model incorporating a new turbulence closure relation based on the turbulence theory is proposed for prediction of the liquid velocity and Reynolds shear stress distributions in bubble columns.It is demonstrated that the predicted results of the mean flow parameters are very sensitive to the eddy viscosities that are dependent on flow regimes.For flows in the homogeneous turbulence regime,it is found that the eddy viscosity correlation presented by the present authors gives the closer predicted results to the experimental data,while in the churn turbulence regime,the Burns and Rice correlation is recommended for predicting of the liquid velocity distributions.The main advantage of the present aproach is that estimation of the flow parameters in the design of bubble columns can be made in a consistent and predictive way.����
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Received 2003-09-15; published 2003-09-15
Cite this article:   
GUO Ying-feng, LIU Hui, LI Cheng-yue��ns .Modeling of Liquid Circulation in Bubble Columns[J]  Chemcial Industry and Engineering, 2003,V20(5): 292-296
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