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吴宗应; 杨宁
Source Publication化工学报
Other AbstractA transient two-phase and three-dimensional computational fluid dynamics(CFD)simulation within the Eulerian framework has been carried out to investigate the influence of drag models on the radial gas hold-up profile of a bubble column.The effect of the sparger modeling is investigated as well.It can be concluded that:(1)the approximate modeling method for the sparger in this work is capable of reasonably predicting the radial gas holdup profile;(2)the CFD simulation with the Tomiyama's drag model differs little from the Ishii-Zuber drag model at the low superficial velocity,while at the high gas velocity,the former leads to an over-prediction of the gas hold-up profile;(3)the correction factor of drag coefficient has a larger influence on the radial gas holdup profiles for high superficial gas velocity than low velocity.
Keyword计算流体力学 鼓泡塔 曳力模型 分布板 气含率
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Cited Times:10[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
吴宗应,杨宁. 曳力模型对模拟鼓泡塔气含率的影响[J]. 化工学报,2010(11):2817-2822.
APA 吴宗应,&杨宁.(2010).曳力模型对模拟鼓泡塔气含率的影响.化工学报(11),2817-2822.
MLA 吴宗应,et al."曳力模型对模拟鼓泡塔气含率的影响".化工学报 .11(2010):2817-2822.
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