堆芯补水箱（CM T ）是AP1000非能动堆芯冷却系统中的关键设备，对其进行合理的比例分析对非能动整体性能试验台架的设计起着重要作用。采用H2TS比例分析方法对CM T的循环模式和排水模式进行比例分析，进而将得到的CM T重要过程的相似准则应用于我国正在设计建造的ACM E台架的CM T比例设计，并对其特征Π群的比例失真度进行定量化计算。最后，对ACM E台架的CM T 进行比例失真原因分析和评价。结果表明，CM T循环阶段的主要过程能在ACM E中得到较好的模拟，而在排水阶段由于ACM E超比例的CM T金属质量引起的储冷问题导致蒸汽冷凝过程存在一定的失真，但综合分析认为ACM E台架采用高压模拟方案能较好地复现原型电站CM T的重要现象和过程。%Core make-up tank (CMT ) is the crucial device of AP1000 passive core-cooling system ,and reasonable scaling analysis of CMT plays a key role in the design of passive integral test facilities .H2TS method was used to perform scaling analysis for both circulating mode and draining mode of CMT .And then ,the similarity criteria for CMT important processes were applied in the CMT scaling design of the ACME (advanced core-cooling mechanism experiment ) facility now being built in China . Furthermore ,the scaling distortion results of CMT characteristic Πgroups of ACME were calculated .At last ,the reason of scaling distortion was analyzed and the distortion evaluation was conducted for ACME facility . The dominant processes of CMT circulating mode can be adequately simulated in the ACM E facility , but the steam condensation process during CMT draining is not well preserved because the excessive CMT mass leads to more energy to be absorbed by cold metal .However ,comprehensive analysis indicates that the ACME facility with high-pressure simulation scheme is able to properly represent CMT ’s important phenomena and processes of prototype nuclear plant .
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