AC600全压堆芯补水箱补水实验研究

Study on Core Make up Water Experiment of AC600 Make up Water Tank

全压堆芯补水箱（ＣＭＴ）是ＡＣ６００压水堆非能动高压安注系统的主要设备。全压堆芯补水箱补水实验主要研究中、小破口失水事故时ＣＭＴ的重力排放特性，为验证安全分析计算机程序提供试验数据。中国核动力研究设计院建造了ＣＭＴ补水实验装置，并在该装置上模拟反应堆主管道中、小破口失水事故动态工况，完成了ＣＭＴ补水实验。本文给出了小破口失水事故工况堆芯补水箱补水试验结果与分析。

The core makeup tank (CMT)is a principal component of the passive high pressure safety injection systems for AC600 and has a function to inject cold borated water into reactor vessel during abnormal events,The purpose of this experiment is to verify the gravity drain behavior of the CMT and to provide experimental data to verify the computer codes used in the safety analyses.Five experiments with simulative small and medium break conditions are conducted at AC600 core makeup tank performance test facility of Nuclear Power Institute of China(NPIC).This paper provides the results of one test.The simulated accident is a small break loss of coolant accident.