气液圆柱形旋流器液膜速度及流型转变研究

IF 3.7 3区工程技术 Q2 ENGINEERING, CHEMICAL

Chemical Engineering Research & Design Pub Date : 2025-04-02 DOI:10.1016/j.cherd.2025.03.035

Yuhang Zhou , Jianyi Chen , Ziqing Li , Ruikang Wang , Sen Li

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引用次数: 0

摘要

气液圆柱旋流器（GLCC）是一种紧凑、高效的油气分离设备。GLCC的分离性能与其USLF的流型直接相关，而USLF的速度分布和流型转换的确定取决于壁面摩擦和气液界面因素的精确计算。以空气和水为介质，利用图像测速系统测量了USLF的切向速度和轴向速度分布。得到了液膜旋流角，建立了液膜速度分布关系式。得到了以液膜旋流角为代表的壁面摩擦和气液界面因素的半经验公式。建立了流型转换判据，提出了环形流与搅拌流流型转换的广义关联公式。研究结果为进一步理解USLF和流型转换提供了新的见解。

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Study on liquid film velocity and flow pattern transition in gas-liquid cylindrical cyclone (GLCC)

The gas-liquid cylindrical cyclone (GLCC) is a compact and efficient oil and gas separation device. The separation performance of GLCC is directly related to the flow pattern of its USLF, and the velocity distribution and determination of the flow pattern transition of USLF depends on the accurate calculation of the wall-friction and gas-liquid interfacial factors. Air and water were used as the media and the tangential velocity and axial velocity distribution of the USLF measured using an image velocimetry system. The liquid film swirl angle was obtained and the liquid-film velocity distribution correlation established. A semi-empirical formula for wall friction and gas-liquid interfacial factors, represented by the liquid film swirl angle, were obtained. The criterion for flow-pattern transition was established and a generalized correlation formula for flow-pattern transition between annular and churn flows was proposed. The results provided new insights for further understanding of USLF and flow-pattern transition.

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来源期刊

Chemical Engineering Research & Design 工程技术-工程：化工

CiteScore

6.10

自引率

7.70%

发文量

623

审稿时长

42 days

期刊介绍： ChERD aims to be the principal international journal for publication of high quality, original papers in chemical engineering. Papers showing how research results can be used in chemical engineering design, and accounts of experimental or theoretical research work bringing new perspectives to established principles, highlighting unsolved problems or indicating directions for future research, are particularly welcome. Contributions that deal with new developments in plant or processes and that can be given quantitative expression are encouraged. The journal is especially interested in papers that extend the boundaries of traditional chemical engineering.