Coupled neutronics/thermal-hydraulics and safety characteristics of liquid-fueled Molten Salt Reactors

被引：4
|
作者：
Qiu, S. [1 ]
Zhang, D. [1 ]
Liu, L. [1 ]
Liu, M. [1 ]
Xu, R. [1 ]
Gong, C. [1 ]
Su, G. H. [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Nucl Sci & Technol, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
来源：
KERNTECHNIK | 2016年 / 81卷 / 02期
关键词：
KINETICS;
D O I：
10.3139/124.110688
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Molten salt reactor (MSR) as one candidate of the Generation IV advanced nuclear power systems is attracted more attention in China due to its top ranked fuel cycle and thorium utilization. The MSRs are characterized by using liquid-fuel, which offers complicated coupling problem of neutronics and thermal hydraulics. In this paper, the fundamental model and numerical method are established to calculate and analyze the safety characteristics for liquid-fuel MSRs. The theories and methodologies are applied to the MOSART concept. The liquid-fuel flow effects on neutronics, reactivity coefficients and three operation parameters' influences at steady state are obtained, which provide the basic information for safety analysis. The unprotected loss of flow transient is calculated, the results of which shows the inherent safety characteristics of MOSART due to its strong negative reactivity feedbacks.
引用
收藏
页码：149 / 159
页数：11
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