Quantitative research of the liquid film characteristics in upward vertical gas, oil and water flows

doi:10.1016/j.cjche.2022.03.004

中国化学工程学报 ›› 2023, Vol. 54 ›› Issue (2): 67-79.DOI: 10.1016/j.cjche.2022.03.004

• Full Length Article • 上一篇下一篇

Quantitative research of the liquid film characteristics in upward vertical gas, oil and water flows

Dayang Wang^1,2, Ningde Jin², Lusheng Zhai², Yingyu Ren²

1. College of Information Science and Engineering, Northeastern University, Shenyang 110819, China;
2. School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China

收稿日期:2021-11-22 修回日期:2022-03-08 出版日期:2023-02-28 发布日期:2023-05-11
通讯作者: Ningde Jin,E-mail:ndjin@tju.edu.cn
基金资助:
This work was supported by the National Natural Science Foundation of China (42074142, 51527805, 41974139), China Postdoctoral Science Foundation (2020M680969, 2021T140099), and the Fundamental Research Funds for the Central Universities (N₂104013).

Quantitative research of the liquid film characteristics in upward vertical gas, oil and water flows

Dayang Wang^1,2, Ningde Jin², Lusheng Zhai², Yingyu Ren²

1. College of Information Science and Engineering, Northeastern University, Shenyang 110819, China;
2. School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China

Received:2021-11-22 Revised:2022-03-08 Online:2023-02-28 Published:2023-05-11
Contact: Ningde Jin,E-mail:ndjin@tju.edu.cn
Supported by:
This work was supported by the National Natural Science Foundation of China (42074142, 51527805, 41974139), China Postdoctoral Science Foundation (2020M680969, 2021T140099), and the Fundamental Research Funds for the Central Universities (N₂104013).

摘要/Abstract

摘要： The study of liquid film characteristics in multiphase flow is a very important research topic, however, the characteristics of the liquid film around Taylor bubble structure in gas, oil and water three-phase flow are not clear. In the present study, a novel liquid film sensor is applied to measure the distributed signals of the liquid film in three-phase flow. Based on the liquid film signals, the liquid film characteristics including the structural characteristics and the nonlinear dynamics characteristics in three-phase flows are investigated for the first time. The structural characteristics including the proportion, the appearance frequency and the thickness of the liquid film are obtained and the influences of the liquid and gas superficial velocities and the oil content on them are investigated. To investigate the nonlinear dynamics characteristics of the liquid film with the changing flow conditions, the entropy analysis is introduced to successfully uncover and quantify the dynamic complexity of the liquid film behavior.

关键词: Gas, oil and water three-phase flow, Liquid film characteristics, Liquid film sensor, Nonlinear dynamics analysis

Abstract: The study of liquid film characteristics in multiphase flow is a very important research topic, however, the characteristics of the liquid film around Taylor bubble structure in gas, oil and water three-phase flow are not clear. In the present study, a novel liquid film sensor is applied to measure the distributed signals of the liquid film in three-phase flow. Based on the liquid film signals, the liquid film characteristics including the structural characteristics and the nonlinear dynamics characteristics in three-phase flows are investigated for the first time. The structural characteristics including the proportion, the appearance frequency and the thickness of the liquid film are obtained and the influences of the liquid and gas superficial velocities and the oil content on them are investigated. To investigate the nonlinear dynamics characteristics of the liquid film with the changing flow conditions, the entropy analysis is introduced to successfully uncover and quantify the dynamic complexity of the liquid film behavior.

Key words: Gas, oil and water three-phase flow, Liquid film characteristics, Liquid film sensor, Nonlinear dynamics analysis

Dayang Wang, Ningde Jin, Lusheng Zhai, Yingyu Ren. Quantitative research of the liquid film characteristics in upward vertical gas, oil and water flows[J]. 中国化学工程学报, 2023, 54(2): 67-79.

Dayang Wang, Ningde Jin, Lusheng Zhai, Yingyu Ren. Quantitative research of the liquid film characteristics in upward vertical gas, oil and water flows[J]. Chinese Journal of Chemical Engineering, 2023, 54(2): 67-79.

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Quantitative research of the liquid film characteristics in upward vertical gas, oil and water flows

Quantitative research of the liquid film characteristics in upward vertical gas, oil and water flows

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