Calculation method for two-phase flow distribution of parallel channels in manifold with radical inlet

PANG Liping; SUN Baomin; WANG Bo; ZHU Zhongyong; LI Yajie

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Calculation method for two-phase flow distribution of parallel channels in manifold with radical inlet

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- Calculation method for two-phase flow distribution of parallel channels in manifold with radical inlet
- CIESC Journal Issue 12, Pages: 3006-3011(2009)
- 作者机构：
  
  电站设备状态监测与控制教育部重点实验室（华北电力大学）,北京,102206
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 December 2009，
  
  Published：05 December 2009
- 稿件说明：
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PANG Liping, SUN Baomin, WANG Bo, et al. Calculation method for two-phase flow distribution of parallel channels in manifold with radical inlet[J]. CIESC Journal, 2009, (12): 3006-3011.
DOI：

PANG Liping, SUN Baomin, WANG Bo, et al. Calculation method for two-phase flow distribution of parallel channels in manifold with radical inlet[J]. CIESC Journal, 2009, (12): 3006-3011. DOI：

摘要

为了解决径向引入方式下联箱并联分支管两相流流量分配问题，提出了一种并联分支管流量分配计算方法。应用水平等径分流和垂直T形三通管相分离预测模型，给出了轴向和径向引入并联分支管计算方法和具体步骤。应用该方法预测了一个径向引入、具有4个并联分支管联箱的流量分配情况，将计算结果和实验结果进行了比较，借助高速摄影图片和CFD计算结果分析了实验值和计算结果产生差异的原因，结果表明该方法在预测径向引入联箱分支管两相流流量分配方面具有可靠性。

Abstract

A calculation method is presented to analyze the two-phase flow distribution of parallel channels in a manifold with a radical inlet.The mathematical models of impacting and dividing T-junction are applied to predict the two-phase separation

providing a calculation procedure for the two-phase flow distribution of parallel channels in a manifold with a radical inlet.In order to verify the reliability of the calculation procedure

the calculation results are compared with experimental results in a manifold with a radical inlet and four parallel channels

which shows a good agreement within about ±20% accuracy.The uncertainty between the experimental and calculation results is analyzed using high speed camera and numerical prediction of CFD.The flow recirculation occurs at the rear part of the manifold

which should be considered in order to improve the accuracy of the calculation method.

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