Review of bubble breakup modelling and experimental study in turbulent flow

被引：0
|
作者：
Zhang H. [1 ]
Wang Y. [1 ]
Li B. [1 ]
Wang T. [1 ]
机构：
[1] Department of Chemical Engineering, Tsinghua University, Beijing
来源：
Huagong Xuebao/CIESC Journal | 2021年 / 72卷 / 12期
关键词：
Bubble breakup model; Daughter bubble size distribution; Single bubble breakup experiment; Turbulence;
D O I：
10.11949/0438-1157.20211345
中图分类号：
学科分类号：
摘要：
The mechanisms and models of bubble breakup in a fully developed turbulent flow are reviewed. The breakup mechanisms are classified into four categories: turbulent eddy collision, viscous shear stress, vortex shear shedding-off, and interfacial instability. The reported models for predicting the bubble breakup rate and daughter bubble size distribution are systematically summarized. The development and limitations of the existing bubble breakup models are analyzed and discussed, and the future direction of model development and improvement are proposed. Experimental studies of breakup of single bubbles in turbulent flow are summarized. According to the methods of producing turbulence, the experiments are divided into four types: turbulence generated by increasing liquid velocity, turbulence generated by internals, turbulence generated by stirring, and turbulence generated by conical reactor and stirring. The development and limitations of existing bubble breakup experiments are discussed. Finally, the bubble breakup rates predicted by the models are compared with experimental data, showing that several bubble breakup models in the literature have good prediction ability. © 2021, Editorial Board of CIESC Journal. All right reserved.
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页码：5936 / 5954
页数：18
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