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Assessment of prediction models for dividing two-phase flow at small T-junctions

机译：在小T形结处划分两相流的预测模型的评估

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The header/channels assembly of a compact heat exchanger can be simulated as an accumulation of small T-junctions. Previous researches showed that the dividing flow characteristics in the small T-junctions are different from those in large T-junctions. The objective of the present study is to evaluate the prediction models for a dividing two-phase annular flow in a small T-junction (less than 10 mm in hydraulic diameter) reported previously by comparing them with the experimental data. The model of Hwang et al. (1988) best fits the measured results. This is considered due to smaller difference between the dividing streamlines of gas and liquid at the junction with the smaller channel size, which is well represented by the curvature model of Hwang et al. (1988).
机译：紧凑型热交换器的集管/通道组件可以模拟为小T型结的堆积。先前的研究表明，小T型接头的分流特性与大T型接头的分流特性不同。本研究的目的是通过与实验数据进行比较，评估先前报道的小T型接头（水力直径小于10毫米）中两相环形流动的预测模型。黄等人的模型。 （1988）最适合测量结果。认为这是由于在具有较小通道尺寸的交界处，气体和液体的分流线之间的差异较小，这由Hwang等人的曲率模型很好地表示。 （1988）。

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