THE AP1000 LBLOCA ANALYSIS USING SCDAP/RELAP5

被引：0
|
作者：
Xie, Heng [1 ]
机构：
[1] Tsinghua Univ, Inst Nucl Engn Technol, Beijing 100084, Peoples R China
来源：
PROCEEDINGS OF THE 22ND INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING - 2014, VOL 3 | 2014年
关键词：
AP1000; LBLOCA; REFLOOD; RELAP5;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, a transient performance simulation model of AP1000 using SCDAP/RELAP5 4.0 is developed. The reactor coolant system (RCS) and passive core cooling system (PXS) are modeled respectively. Various kinds of hydrodynamic component including Volume, Junction, Separator, Accumulator, Branch, Pipe, Valve and Pump are adopted to simulate the fluid system of AP1000. The DECLG(double-end rupture of cold leg) accident is simulated and analyzed. To study the effect of axial heat conduction, two kinds of heat structure with and without reflooding model are employed to simulate the fuel rod respectively. The comparison shows that the 2D heat conduction play important role in the reflooding process.
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页数：6
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