Gas-liquid Taylor flow pressure drop in rectangular meandering microchannel

LIANG Qianqing; MA Xuehu; WANG Kai; CHUN Jiang; HAO Tingting; LAN Zhong; WANG Yaxiong

doi:10.11949/j.issn.0438-1157.20181235

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Gas-liquid Taylor flow pressure drop in rectangular meandering microchannel

Fluid dynamics and transport phenomena | 更新时间：2026-07-24

- Gas-liquid Taylor flow pressure drop in rectangular meandering microchannel
- CIESC Journal Vol. 70, Issue 4, Pages: 1272-1281(2019)
- 作者机构：
  
  1.大连理工大学辽宁省化工资源清洁利用重点实验室，辽宁大连116024
  2.内蒙古科技大学化学与化工学院，内蒙古包头 014010
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181235
  CLC： TQ 021.4
- Received：19 October 2018，
  
  Revised：2019-01-07，
  
  Online First：15 June 2020，
  
  Published：12 April 2019
- 稿件说明：
移动端阅览
梁倩卿, 马学虎, 王凯, 春江, 郝婷婷, 兰忠, 王亚雄. 矩形截面弯曲型微通道气液两相Taylor流压降的研究[J]. 化工学报, 2019, 70(4): 1272-1281

LIANG Qianqing, MA Xuehu, WANG Kai, CHUN Jiang, HAO Tingting, LAN Zhong, WANG Yaxiong. Gas-liquid Taylor flow pressure drop in rectangular meandering microchannel[J]. CIESC Journal, 2019, 70(4): 1272-1281
梁倩卿, 马学虎, 王凯, 春江, 郝婷婷, 兰忠, 王亚雄. 矩形截面弯曲型微通道气液两相Taylor流压降的研究[J]. 化工学报, 2019, 70(4): 1272-1281 DOI： 10.11949/j.issn.0438-1157.20181235.

LIANG Qianqing, MA Xuehu, WANG Kai, CHUN Jiang, HAO Tingting, LAN Zhong, WANG Yaxiong. Gas-liquid Taylor flow pressure drop in rectangular meandering microchannel[J]. CIESC Journal, 2019, 70(4): 1272-1281 DOI： 10.11949/j.issn.0438-1157.20181235.

摘要

主要测定了低分压CO

（混合气相组成为5%CO

和95%N

，简写为CO

）在矩形截面多弯头微通道中气-液两相Taylor流的流动压降。通过对比六个气液相体系，发现液相的物理性质对气液两相Taylor流压降的影响显著不同。表面张力变化组（CO

-水、CO

-2%正丙醇水溶液和CO

-5%正丙醇水溶液）的气液两相Taylor流压降随液相流速的增大呈现线性增长趋势；黏度变化组（CO

-甲醇、CO

-乙醇和CO

-正丙醇）的气液两相Taylor流压降随着

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113915125&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113915145&type=

3.47133350

4.14866638

变化而呈现规律性增大。重点考虑了弯曲通道二次流和液弹内循环的贡献，同时分析考虑了气泡的形状及其运动、通道特征参数和液相的物理性质，提出了新的气液两相Taylor流压降的表观摩擦系数模型，在±20%误差范围内获得了良好的预测效果。

Abstract

The pressure drop of gas-liquid two-phase Taylor flow in a rectangular meandering microchannel at low CO

pressure (CO

5% (vol)

95%(vol)) was measured. By comparing the six gas-liquid phase systems

it is found that the physical properties of the liqui

d phase have a significant effect on the pressure drop of the gas-liquid two-phase Taylor flow. The pressure drop of two-phase flow showed a linear increasing trend with the increasing liquid velocity for surface tension variation group

while for the viscosity variation group

the pressure drop of two-phase flow had a poor linearity with liquid phase velocity

and the pressure drop of two-phase flow increases regularly with

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113915109&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=113915147&type=

3.81000018

4.82599974

. The comparison between the predicted results from the literatures models and measured data was also made. Considering the effects of the liquid internal circulation

bubble shape and motion

channel characteristic configuration (channel cross section and overall configuration) and physical chemistry of the liquid phase， a two-phase flow pressure drop model was proposed

and a mean deviation ±20% can be obtained.

关键词

Keywords

references

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