横向振动下水平通道内气液两相流型研究

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摘要

通过将振动装置与两相流实验回路相结合的方式，利用曲柄连杆原理，对低频高幅式横向振动工况下水平通道内气液两相流动情况进行了实验研究。通过可视化实验得出相应工况下典型流型，同时改变振动幅度及振动频率，探讨了振动参数对流型转换界限的影响。研究结果表明，横向振动工况下流型与稳态相比，其基本特征大体一致，但气液相界面波动程度及含气率差异较大。不同振动参数下典型流型主要包括泡状流、弹状流、分层流、波状流及环状流。绘制流型转换界限结果显示，振动参数的增大导致弹状流及波状流区域增大，分层流及环状流区域减小，且振动参数的改变对弹状流转换界限有更为显著的影响。

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	孙博
	周云龙
	刘启超

关键词 ：横向振动, 气液两相流, 流型, 振动参数

Abstract：An experimental study on gas-liquid two-phase flow in a horizontal channel under the condition of low frequency and high amplitude transverse vibration was conducted by the method of combining the two-phase flow experiment loop with the vibration apparatus using the principle of a crank connecting rod.Through the visual experiment, the typical flow pattern under the corresponding working condition was obtained.The influence of the vibration parameters on the flow regime transition line was also discussed by changing the vibration amplitude and frequency.Results show that the basic characteristics of flow pattern are basically the same as that of steady state, but the fluctuation degree and gas holdup of gas-liquid interface are quite different.The typical flow patterns under different vibration parameters include bubbly flow, slug flow, stratified flow, wave flow and annular flow.The flow regime transition lines show that the slug flow and wave flow region expands with the increase of vibration parameters while the other flow pattern regions are relatively reduced.And the change of vibration parameters has a more significant influence on the transition boundary of slug flow.

Key words： transverse vibration gas-liquid two-phase flow flow regime vibration parameter

收稿日期: 2020-06-02 出版日期: 2021-10-28

引用本文:

孙博，周云龙，刘启超. 横向振动下水平通道内气液两相流型研究[J]. 振动与冲击, 2021, 40(20): 302-306.
SUN Bo, ZHOU Yunlong, LIU Qichao. A study on flow regime of gas-liquid two-phase in a horizontal channel under transverse vibration. JOURNAL OF VIBRATION AND SHOCK, 2021, 40(20): 302-306.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2021/V40/I20/302

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