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本文根据相似准则的原理建立高温气冷堆二维堆芯的球流运动试验系统,并提出了二维球流运动中界面分析的定量的实验方法,介绍了界面分析法的理论依据以及在球流内部流场研究和界面特征分析中的操作方法和过程,并且进行了不同加球比例的实验,对得到的相应的均值流线,轴向速度,径向速度,合速度,速度矢量的分布以及球流运动的特性等球流二维流动特性进行了分析,并和标志球法的结果进行了比较。
Based on the principle of similarity criterion, this paper establishes a ball flow motion test system for two-dimensional core of HTGR and proposes a quantitative experimental method for interface analysis in two-dimensional ball flow motion. The theoretical basis of the interface analysis method is introduced. The internal flow field research and the analysis of the interface characteristics of the operation methods and processes, and carried out different ball-scale experiments, the corresponding mean streamline, axial velocity, radial velocity, velocity, velocity vector distribution As well as the characteristics of the ball flow and other two-dimensional flow characteristics of the ball were analyzed and compared with the results of the flag ball method.