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Elongated bubble centring in horizontal gas-liquid slug flow
International Journal of Multiphase Flow ( IF 3.8 ) Pub Date : 2020-02-01 , DOI: 10.1016/j.ijmultiphaseflow.2019.103158
Sean J. Perkins , Huazhou A. Li

Abstract An overview of gas-liquid slug flow and elongated bubble centring in horizontal circular pipes is given and relevant literature is discussed. A novel hypothesis for the mechanism which induces bubble centring is presented based on the analogy to ideal flow over a solid hemisphere. A model, based on the given hypothesis and various phenomenological simplifications, is outlined and the simplest case is solved and compared to two sources of air-water experimental centring data. The Froude number at which bubble detachment initially occurs is predicted with

中文翻译:

水平气液段塞流中细长气泡居中

摘要 综述了水平圆管中气液段塞流和细长气泡居中现象,并讨论了相关文献。基于对固体半球上的理想流动的类比,提出了诱导气泡居中机制的新假设。概述了基于给定假设和各种现象学简化的模型,解决了最简单的情况,并将其与空气-水实验中心数据的两个来源进行了比较。最初发生气泡脱离的弗劳德数预测为
更新日期:2020-02-01
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