Investigation of the hydrodynamics of slug flow in airlift pumps

doi:10.1016/j.cjche.2018.04.015

Chinese Journal of Chemical Engineering ›› 2018, Vol. 26 ›› Issue (12): 2391-2402.DOI: 10.1016/j.cjche.2018.04.015

• Fluid Dynamics and Transport Phenomena • 下一篇

Investigation of the hydrodynamics of slug flow in airlift pumps

Zhineng Wang^1,2,3, Yong Kang^1,2, Xiaochuan Wang^1,2, Shijing Wu^2,3, Xiaoyong Li^1,2

1 Key Laboratory of Hydraulic Machinery Transients, Ministry of Education, Wuhan University, Wuhan 430072, China;
2 Hubei Key Laboratory of Waterjet Theory and New Technology, Wuhan University, Wuhan 430072, China;
3 School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China

收稿日期:2017-10-24 修回日期:2018-04-18 出版日期:2018-12-28 发布日期:2019-01-09
通讯作者: Yong Kang
基金资助:
Supported by the National Key Basic Research Development Program of China (2014CB239200), the National Natural Science Foundation of China (51574173, 51705372) and the Hubei Provincial Natural Science Foundation (2015CFA154), Jiangsu Provincial Natural Science Foundation of China (No.BK20170411).

Investigation of the hydrodynamics of slug flow in airlift pumps

Zhineng Wang^1,2,3, Yong Kang^1,2, Xiaochuan Wang^1,2, Shijing Wu^2,3, Xiaoyong Li^1,2

1 Key Laboratory of Hydraulic Machinery Transients, Ministry of Education, Wuhan University, Wuhan 430072, China;
2 Hubei Key Laboratory of Waterjet Theory and New Technology, Wuhan University, Wuhan 430072, China;
3 School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China

Received:2017-10-24 Revised:2018-04-18 Online:2018-12-28 Published:2019-01-09
Contact: Yong Kang
Supported by:
Supported by the National Key Basic Research Development Program of China (2014CB239200), the National Natural Science Foundation of China (51574173, 51705372) and the Hubei Provincial Natural Science Foundation (2015CFA154), Jiangsu Provincial Natural Science Foundation of China (No.BK20170411).

摘要/Abstract

摘要： A slug flow model considering the dispersed bubbles entrained from the tail of Taylor bubble (TB) and recoalesced with the successive TB was proposed. Experiment was conducted to test the validity of this model by using a high-speed camcorder and particle image velocimetry (PIV). It was found that the model was valid for predicting the characteristics of slug flow in airlift pump within average error of 14%. Moreover, large pipe diameter was found to accelerate the rise velocity of TB and decreases void fraction in liquid slug by a small margin.

关键词: Airlift pump, Flow regimes, Bubble, Mass transfer, Hydrodynamics

Abstract: A slug flow model considering the dispersed bubbles entrained from the tail of Taylor bubble (TB) and recoalesced with the successive TB was proposed. Experiment was conducted to test the validity of this model by using a high-speed camcorder and particle image velocimetry (PIV). It was found that the model was valid for predicting the characteristics of slug flow in airlift pump within average error of 14%. Moreover, large pipe diameter was found to accelerate the rise velocity of TB and decreases void fraction in liquid slug by a small margin.

Key words: Airlift pump, Flow regimes, Bubble, Mass transfer, Hydrodynamics

Zhineng Wang, Yong Kang, Xiaochuan Wang, Shijing Wu, Xiaoyong Li. Investigation of the hydrodynamics of slug flow in airlift pumps[J]. Chinese Journal of Chemical Engineering, 2018, 26(12): 2391-2402.

Zhineng Wang, Yong Kang, Xiaochuan Wang, Shijing Wu, Xiaoyong Li. Investigation of the hydrodynamics of slug flow in airlift pumps[J]. Chin.J.Chem.Eng., 2018, 26(12): 2391-2402.

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Investigation of the hydrodynamics of slug flow in airlift pumps

Investigation of the hydrodynamics of slug flow in airlift pumps

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