SCI和EI收录∣中国化工学会会刊

中国化学工程学报 ›› 2025, Vol. 87 ›› Issue (11): 129-139.DOI: 10.1016/j.cjche.2025.06.020

• • 上一篇    下一篇

CFD investigation on the effect of Taylor vortex flow on the dynamic characteristics of single bubble based on Lagrangian method

Hang Yang1, Zhineng Li1, Xiaoyong Yang1, Shilong Du1, Danyang Li2, Yong Zhu1, Zhishan Bai1   

  1. 1. School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China;
    2. PetroChina Tarim OilField Company, Korla 841000, China
  • 收稿日期:2025-02-16 修回日期:2025-06-28 接受日期:2025-06-30 出版日期:2025-11-28 发布日期:2025-08-09
  • 通讯作者: Xiaoyong Yang,E-mail:yangxiaoyong1989@126.com
  • 基金资助:
    This research was sponsored by Shanghai Sailing Program (21YF1409500), the National Natural Science Foundation of China (22308100) and State Key Laboratory of Chemical Engineering (SKL-ChE-23Z01) for which the authors express their appreciation.

CFD investigation on the effect of Taylor vortex flow on the dynamic characteristics of single bubble based on Lagrangian method

Hang Yang1, Zhineng Li1, Xiaoyong Yang1, Shilong Du1, Danyang Li2, Yong Zhu1, Zhishan Bai1   

  1. 1. School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China;
    2. PetroChina Tarim OilField Company, Korla 841000, China
  • Received:2025-02-16 Revised:2025-06-28 Accepted:2025-06-30 Online:2025-11-28 Published:2025-08-09
  • Contact: Xiaoyong Yang,E-mail:yangxiaoyong1989@126.com
  • Supported by:
    This research was sponsored by Shanghai Sailing Program (21YF1409500), the National Natural Science Foundation of China (22308100) and State Key Laboratory of Chemical Engineering (SKL-ChE-23Z01) for which the authors express their appreciation.

摘要: The Taylor-Couette reactor can achieve precise control of heat transfer, mass transfer, and reactions, and it has been widely used in chemical production fields. In this paper, computational fluid dynamics-discrete phase model (CFD-DPM) simulation was used to study the dynamic characteristics of bubbles in the Taylor-Couette reactor, and the results were verified by high-speed camera experiments. The effects of rotational Reynolds number Re, axial Rea and bubble diameter dg were considered. Then a quadratic polynomial model of bubble residence time in the reactor was established using response surface methodology (RSM). The results show that in the range of rotational Re = 3482-10446, the movement trajectory of the bubble in the Taylor-Couette reactor followed the cylindrical helix. The increase of rotational Re can strengthen the downflow of Taylor vortex and reduced the ascent rate of bubbles, resulting in the increase of bubble residence time. And there was a synergetic effect of the rotational Re and dg on the residence time. Besides, Rea had positive effect on the bubble residence time under the condition of low level of Re (Re = 3482, 6964). Finally, the quadratic polynomial model was proven to be feasible to predict the residence time of bubble in the Taylor-Couette reactor. This study contributes to a deeper understanding of the bubble dynamics within Taylor reactors and offers theoretical guidance for their operation.

关键词: Taylor–Couette reactor, CFD-DPM, Bubble trajectory, Residence time, RSM analysis

Abstract: The Taylor-Couette reactor can achieve precise control of heat transfer, mass transfer, and reactions, and it has been widely used in chemical production fields. In this paper, computational fluid dynamics-discrete phase model (CFD-DPM) simulation was used to study the dynamic characteristics of bubbles in the Taylor-Couette reactor, and the results were verified by high-speed camera experiments. The effects of rotational Reynolds number Re, axial Rea and bubble diameter dg were considered. Then a quadratic polynomial model of bubble residence time in the reactor was established using response surface methodology (RSM). The results show that in the range of rotational Re = 3482-10446, the movement trajectory of the bubble in the Taylor-Couette reactor followed the cylindrical helix. The increase of rotational Re can strengthen the downflow of Taylor vortex and reduced the ascent rate of bubbles, resulting in the increase of bubble residence time. And there was a synergetic effect of the rotational Re and dg on the residence time. Besides, Rea had positive effect on the bubble residence time under the condition of low level of Re (Re = 3482, 6964). Finally, the quadratic polynomial model was proven to be feasible to predict the residence time of bubble in the Taylor-Couette reactor. This study contributes to a deeper understanding of the bubble dynamics within Taylor reactors and offers theoretical guidance for their operation.

Key words: Taylor–Couette reactor, CFD-DPM, Bubble trajectory, Residence time, RSM analysis