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Research of Alarm Threshold Value of Noble Gas Monitoring Channel in Containment for PWR Nuclear Power Plant
Author(s): 
Pages: 97-101
Year: Issue:  2
Journal: Radiation Protection

Keyword:  安全壳 惰性气体 监测通道 报警阈值;
Abstract: 分析了影响安全壳空气中惰性气体活度浓度变化的各种核素,并结合一回路冷却剂向安全壳的泄漏过程建立了泄漏模型,分别针对安全壳中惰性气体本底活度浓度值以及不同运行工况下安全壳中惰性气体活度浓度值进行建模计算,得到了不同运行工况下安全壳空气中惰性气体活度浓度的计算值,以此作为惰性气体监测通道两级报警阈值的设置依据,最终提出针对本监测通道的报警阈值设置建议,设置的两级报警阈值均与现役电站运行阈值相当,可作为相应电站报警阈值设置的参考。
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