典型文献
Flow field effect of delayed neutron precursors in liquid-fueled molten salt reactors
文献摘要：
In molten salt reactors(MSRs),the liquid fuel salt circulates through the primary loop and a part of the delayed neutron precursors(DNPs)decays outside the reactor core.To model and analyze the flow field effect of DNPs in channel-type liquid-fueled MSRs,a three-di-mensional space-time dynamics code,named Thor-CORE3D,that couples neutronics,core thermal-hydraulics,and a molten salt loop system was developed and validated with the Molten Salt Reactor Experiment(MSRE)benchmarks.The effects of external loop recir-culation time,fuel flow rate,and core flow field distribution on the delayed neutron fraction loss of MSRE at steady-state were modeled and simulated using the ThorCORE3D code.Then,the flow field effect of the DNPs on the system responses of the MSRE in the reactivity insertion transient under different initial conditions was analyzed systemati-cally for the channel-type liquid-fueled MSRs.The results indicate that the flow field condition has a significant effect on the steady-state delayed neutron fractions and will fur-ther affect the transient power and temperature responses of the reactor system.The analysis results for the effect of the DNP flow field can provide important references for the design optimization and safety analysis of liquid-fueled MSRs.
文献关键词：
中图分类号：
作者姓名：
Xian-Di Zuo;Mao-Song Cheng;Yu-Qing Dai;Kai-Cheng Yu;Zhi-Min Dai
作者机构：
Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;University of Chinese Academy of Sciences,Beijing 100049,China
文献出处：
引用格式：
[1]Xian-Di Zuo;Mao-Song Cheng;Yu-Qing Dai;Kai-Cheng Yu;Zhi-Min Dai-.Flow field effect of delayed neutron precursors in liquid-fueled molten salt reactors)[J].核技术（英文版）,2022(08):16-32
A类：
DNPs,CORE3D,neutronics,MSRE,recir,ThorCORE3D
B类：
Flow,field,delayed,precursors,liquid,fueled,molten,salt,reactors,In,MSRs,circulates,through,primary,loop,part,decays,outside,core,To,flow,channel,type,three,mensional,space,dynamics,code,named,that,couples,thermal,hydraulics,was,developed,validated,Molten,Salt,Reactor,Experiment,benchmarks,effects,external,culation,rate,distribution,loss,steady,state,were,modeled,simulated,using,Then,responses,reactivity,insertion,transient,under,different,initial,conditions,analyzed,systemati,cally,results,indicate,has,significant,fractions,will,fur,affect,power,temperature,analysis,provide,important,references,design,optimization,safety
AB值：
0.420252
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