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锂冷空间堆产气行为分析

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摘要 针对锂冷空间堆运行时产气的问题,设计了锂冷空间堆LCSR,对其锂回路产气行为进行研究,通过计算LCSR寿期内的总产气量、不同气体各自的产量,结合所产气体的性质、锂回路的工况,分析这些气体在锂回路中的行为。结果表明:产生的气体中氦-4对LCSR锂回路起主要影响作用,LCSR满功率运行1.2天后氦-4达到饱和,LCSR锂回路会因异相成核形成气泡。文章的研究方法和结论可为锂冷空间堆的研究设计提供参考。 Aiming at the problem of gas production during operation of the lithium-cooled space reactor,the lithiumcooled space reactor LCSR was designed to study the gas production behavior of its lithium loop.By calculating the total gas production during the life of the LCSR and the respective production of different gases and by considering the nature of the gas and the working conditions of the lithium circuit,this paper analyzes the behavior of these gases in the lithium circuit.The results show that the helium-4 in the produced gas plays a major role in the LCSR lithium circuit,that after the LCSR runs at full power for 1.2 days,the helium-4 reaches saturation,and that the LCSR lithium circuit will form bubbles due to heterogeneous nucleation.The research methods and conclusions of this paper can provide references for the research and design of lithium-cooled space reactor.
出处 《科技创新与应用》 2021年第13期14-16,20,共4页 Technology Innovation and Application
关键词 空间堆 thium space reactor helium
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