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Performance analysis of a multi-stage safety injection tank
Annals of Nuclear Energy ( IF 1.9 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.anucene.2020.107844
Soo Jai Shin , Young In Kim , Seungyeob Ryu , Youngmin Bae , Hyunjun Cho

Abstract A performance analysis of a multi-stage safety injection tank (MSIT) was carried out using a numerical method. A MSIT is capable of injecting coolant from a single tank in multiple stages in the event of a loss of coolant accident (LOCA) at a nuclear power plant. The performance and consequences of two- and three-stage MSITs were compared. The effects of break size, installation heights of the injection lines, and pressure-loss coefficients of each injection line were scrutinized. By selecting pertinent design parameters, the MSIT can satisfy its design requirements, by providing continuous coolant injection without problems of delays or overlaps for a minimum of 72 h after a LOCA.

中文翻译:

多级安全注油罐性能分析

摘要 采用数值方法对多级安全喷射罐(MSIT)进行了性能分析。在核电站发生冷却剂损失事故 (LOCA) 时,MSIT 能够从单个罐中分多个阶段注入冷却剂。比较了两阶段和三阶段 MSIT 的性能和结果。仔细检查了破裂尺寸、注入管线的安装高度和每条注入管线的压力损失系数的影响。通过选择相关的设计参数,MSIT 可以满足其设计要求,通过在 LOCA 后至少 72 小时内提供连续冷却剂注入而不会出现延迟或重叠问题。
更新日期:2021-01-01
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