›› 2011, Vol. 11 ›› Issue (1): 162-173.
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ZHANG Li-ying HUANG Qing-shan
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张立英 黄青山
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Abstract: The hydrodynamic models for bubbly flow in airlift loop reactor are reviewed. In addition to the classification of two-fluid models according to the averaging methods, the estimation models of bubble-induced turbulence are also categorized. Furthermore, the inter-phase forces commonly used and some techniques of solving the bubbly flow are summarized and evaluated. It is pointed out that Favre averaging two-fluid model combined with the k-e model, in which the bubble induced turbulence is considered with the Sato model, is a useful tool for the design and scaling-up of airlift loop reactor at the present stage. Moreover, the problems and topics of interest in the future work are suggested on the basis of analysis of state-of-the-art theory of bubbly flow.
Key words: airlift loop reactor, computational fluid dynamics, two-fluid model, multiphase flow
摘要: 概述了气升式环流反应器的流体力学模型,对工程实用性较强的气液两流体模型和气泡导致的湍动模型进行了分类,并对常见相间作用力模型和多相流求解技术进行了总结和评价. 指出将Favre平均的两流体模型和采用Sato模型考虑气泡导致湍动的k-e模型相结合是现阶段气升式环流反应器设计和放大的有力工具. 在分析了气液两相流理论现状的基础上,指出了其存在的问题和进一步的研究方向.
关键词: 气升式环流反应器, 计算流体力学, 两流体模型, 多相流
CLC Number:
TB126
ZHANG Li-ying HUANG Qing-shan. Research Progress in the Modeling Theory of Airlift Loop Reactor[J]. , 2011, 11(1): 162-173.
张立英 黄青山. 气升式环流反应器的理论研究进展[J]. , 2011, 11(1): 162-173.
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