中国舰船研究2017，Vol.12Issue(3)：98-104,7.DOI:10.3969/j.issn.1673-3185.2017.03.014
二回路非能动余热排出系统设计要素分析
Design factors analyses of second-loop PRHRS
摘要
Abstract
In order to study the operating characteristics of a second-loop Passive Residual Heat Removal System (PRHRS), the transient thermal analysis code RELAP5 is used to build simulation models of the main coolant system and second-loop PRHRS. Transient calculations and comparative analyses under station blackout accident and one-side feed water line break accident conditions are conducted for three critical design factors of the second-loop PRHRS: design capacity, emergency makeup tank and isolation valve opening speed. The impacts of the discussed design factors on the operating characteristics of the second-loop PRHRS are summarized based on calculations and analyses. The analysis results indicate that the system safety and cooling rate should be taken into consideration in designing PRHRS's capacity,and water injection from emergency makeup tank to steam generator can provide advantage to system cooling in the event of accident,and system startup performance can be improved by reducing the opening speed of isolation valve. The results can provide references for the design of the second-loop PRHRS in nuclear power plants.关键词
二回路系统/非能动余热排出系统/设计负荷/应急补水箱/隔离阀开启速度/RELAP5Key words
second-loop system/Passive Residual Heat Removal System(PRHRS)/design capacity/emergency makeup tank/isolation valve opening rate/RELAP5分类
交通工程引用本文复制引用
张红岩,师二兵,方成跃..二回路非能动余热排出系统设计要素分析[J].中国舰船研究,2017,12(3):98-104,7.基金项目
国家自然科学基金青年科学基金资助项目(51609227) （51609227）
