先进压水堆的一个显著特点是非能动系统的高可靠性，评价这些系统的运行特性以及系统分析程序如RELAP5等的计算能力是非常重要的，用RELAP5／MOD3.2程序对非能动堆芯应急冷却系统实验过程进行了模拟分析，通过计算结果与实验结果的比较，初步评价了RELAP5／MOD3.2程序的计算能力。

One of the apparent characteristic of advanced PWR is the high reliability of passive safety system .It is important to assess the operation behavior of such system and the ability of system analysis code as RELAP5.One principal test facility, passive emergency core cooling system experiments is carried out. The RELAP5/Mod3.2 is used to simulated the experiments in this paper. The simulation capability of RELAP5/Mod3.2 in passive emergency core cooling system is assessed through the comparison between the experimental results and calculation results.

TK124