Application of modified impacting tee to achieve equal quality distribution of gas-liquid two-phase flow

TIAN Jing; WU Ming; WANG Shuai; ZHANG Bingdong; WANG Dong

doi:10.3969/j.issn.0438-1157.2014.03.010

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Application of modified impacting tee to achieve equal quality distribution of gas-liquid two-phase flow

更新时间：2025-12-10

- Application of modified impacting tee to achieve equal quality distribution of gas-liquid two-phase flow
- CIESC Journal Issue 3, Pages: 836-842(2014)
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.03.010
  CLC： 359
- Online First：05 March 2014，
  
  Published：05 March 2014
- 稿件说明：
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TIAN Jing, WU Ming, WANG Shuai, et al. Application of modified impacting tee to achieve equal quality distribution of gas-liquid two-phase flow[J]. CIESC Journal, 2014, (3): 836-842.
DOI：

TIAN Jing, WU Ming, WANG Shuai, et al. Application of modified impacting tee to achieve equal quality distribution of gas-liquid two-phase flow[J]. CIESC Journal, 2014, (3): 836-842. DOI： 10.3969/j.issn.0438-1157.2014.03.010.

摘要

针对冲击型三通进行气液两相分配时，两支路之间出现干度不相等的现象，提出了一种有效的改进措施——在三通的支路中加装孔板。首先，通过分析冲击型三通的相分配特点，解释了其不能实现等干度分配的原因。然后，又进一步阐述了改型三通的分配原理，并且在空气-水回路上对该分配装置进行了实验研究。实验结果表明，该分配装置能显著改善气液两相流的分配特性，降低两支路之间的干度差，在孔板尺寸选取合适的情况下，基本上实现了等干度分配。最后根据理论模型和实验数据，给出了影响该分配装置等干度分配的因素和最佳孔径比的计算式。

Abstract

An effective improved method

the installation of orifice plates at the branches of the impacting tee

was proposed to achieve equal quality distribution of gas-liquid two-phase flow in the impacting tee. First

this paper explains the reason why the impacting tee cannot achieve equal quality distribution through analyzing its phase distribution characteristics. Then

the distribution principle of the modified impacting tee is presented. The experiments are conducted in the air-water multiphase flow test loop. The results of the experiments show that this distribution device can improve the distribution characteristics of the gas-liquid two-phase flow apparently

and significantly reduce the deviation of the quality between the two branches. When the size of the orifice plates is appropriate

the quality between two branches can be nearly equal. At last

the factors influencing the equal quality distribution of the modified impacting tee and the equation of the best aperture ratio are presented on the basis of the theoretical model and the experimental data.

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