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船用堆中破口失水加全部电源丧失事故分析 被引量:1

Analysis of MBLOCA With Blackout Accident of Ship Reactor
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摘要 针对船用堆的运行特点,制定了船用堆发生中破口失水叠加全部电源丧失事故时的事故序列,运用RELAP5/MOD3.2程序对某船用堆30%额定功率运行时,一回路主管道上发生30mm不可隔离的中破口失水叠加全部电源丧失事故进行了分析,并讨论了事故下燃料元件的完整性。结果表明:在发生该类叠加事故后,热阱丧失,反应堆的剩余热将无法导出,堆芯燃料元件会发生大面积破损。研究结果可为运行人员的事故处理和操作提供参考。 According to the operating character of the ship reactor,the medium break loss of coolant accident(MBLOCA) combined with blackout accident was studied.The accident response sequence was established for the combined accident.The 30 mm unsegregated MBLOCA combined with blackout accident was analyzed with RELAP5/MOD3.2 code when the reactor operated at 30% rated power.The integrity of fuel elements was also judged.The results indicate that the decay heat of the reactor will not be carried out of the core because of the loss of heat trap under the combined accident,finally all the fuel elements are failed even molten.The research is helpful for the processing of the accident and the establishment of emergency regulations.
出处 《原子能科学技术》 EI CAS CSCD 北大核心 2012年第B09期301-304,共4页 Atomic Energy Science and Technology
关键词 船用堆 中破口失水事故 全部电源丧失事故 RELAP5 ship reactor MBLOCA blackout accident RELAP5
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参考文献9

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