气泡羽流气液两相流动特性的研究进展

doi:10.12034/j.issn.1009-606X.222021

过程工程学报 ›› 2023, Vol. 23 ›› Issue (1): 15-24.DOI: 10.12034/j.issn.1009-606X.222021

气泡羽流气液两相流动特性的研究进展

董鑫¹，刘易诺¹，叶陈²，张建伟¹，冯颖^1*

1. 沈阳化工大学机械与动力工程学院，辽宁沈阳 110142 2. 辽宁省安全科学研究院，辽宁沈阳 110020

收稿日期:2022-01-14 修回日期:2022-04-07 出版日期:2023-01-28 发布日期:2023-01-31
通讯作者: 冯颖 fengy75@163.com
作者简介:董鑫，博士，讲师，化工过程机械专业，E-mail: dongxin1106@syuct.edu.cn；通讯联系人，冯颖，博士，副教授，化工过程机械专业，E-mail: fengy75@163.com
基金资助:
辽宁省自然科学基金;辽宁省教育厅科学研究经费项目

Research progress on gas-liquid two-phase flow characteristics of bubble plume

Xin DONG¹, Yinuo LIU¹, Chen YE², Jianwei ZHANG¹, Ying FENG^1*

1. School of Mechanical and Power Engineering, Shenyang University of Chemical Technology, Shenyang, Liaoning 110142, China 2. Liaoning Academy of Safety Sciences, Shenyang, Liaoning 110020, China

Received:2022-01-14 Revised:2022-04-07 Online:2023-01-28 Published:2023-01-31

摘要/Abstract

摘要： 气泡羽流是一种复杂的气液两相流，广泛应用于废水处理、石油加工、环保等工业领域。气泡羽流的流动特性对气液两相间质量、动量传递及工业应用至关重要。本工作总结了理论与实验研究等方面气泡羽流流动特性的研究进展。详细讨论了气泡羽流气液两相流体水力学特性、羽流运动行为的影响因素。根据气含率、气泡直径等水力学参数的预测模型和经验公式，归纳了不同液相物性和结构参数下羽流模型的适用范围，揭示了流动对传质的作用。总结了分层流体中气泡羽流流型变化规律、羽流去分层效果以及引起流型变化的影响因素。阐释了横向流动环境下羽流的偏移行为呈线性变化，该变化与横向流速及表观气速等因素有关。最后讨论了气泡羽流气液两相流动特性研究手段和理论方法的局限性，展望了气泡羽流运动规律多尺度研究的方向。

关键词: 气泡羽流, 气液两相流, 流动特性, 数值分析, 复杂环境流体

Abstract: Bubble plume is a complex gas-liquid two-phase flow, which is widely used in industrial fields such as wastewater treatment, petroleum processing, environmental protection. The complex flow characteristics of bubble plume are very important for gas-liquid mass, momentum transfer and its industrial application. In this work, the flow characteristics of bubble plume in theoretical and experimental research are analyzed and summarized. The effects of different operating and structural parameters on the hydraulic characteristics such as gas holdup, bubble size distribution, plume width and oscillation are discussed. The simulation methods of observing and capturing the flow characteristics of bubble plume are summarized. In addition, due to the wide application of bubble plume, it is also very important to measure the bubble velocity distribution quickly and accurately. With the rapid development of digital image recognition technology, the combination of high-speed camera and digital image recognition technology provides an effective, intuitive and accurate method for bubble plume velocity. The prediction models and empirical formulas of hydraulic parameters such as gas holdup and bubble diameter are summarized, and the different applicable conditions of the models and formulas are listed. In the practical application of bubble plume, the structural morphology and flow characteristics of bubble plume change due to the complexity of environmental fluid (such as transverse flow in environmental fluid and stratification due to density and temperature difference of environmental fluid). Therefore, the research progress of gas-liquid two-phase flow characteristics of bubble plume in complex environment fluid is presented. The variation of bubble plume flow pattern and the effect of plume destratification in stratified fluid are summarized. The migration behavior and motion of plume in transverse flow environment are analyzed. Finally, the limitations of research methods and theoretical methods of gas-liquid two-phase flow characteristics of bubble plume are discussed. The multi-scale research direction of bubble plume motion law is proposed in further.

Key words: bubble plume, gas-liquid two-phase flow, flow characteristic, numerical analysis, complex environment fluid

董鑫刘易诺叶陈张建伟冯颖. 气泡羽流气液两相流动特性的研究进展[J]. 过程工程学报, 2023, 23(1): 15-24.

Xin DONG Yinuo LIU Chen YE Jianwei ZHANG Ying FENG. Research progress on gas-liquid two-phase flow characteristics of bubble plume[J]. The Chinese Journal of Process Engineering, 2023, 23(1): 15-24.

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气泡羽流气液两相流动特性的研究进展

Research progress on gas-liquid two-phase flow characteristics of bubble plume

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