Thermal Property Analysis of Accident Tolerance Fuel Pellet
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摘要: 采用CFX数值模拟得到UO2-Mo、UO2-SiC、UO2-BeO、U-Si、全陶瓷包覆燃料(FCM)以及传统UO2燃料芯块在正常工况与事故工况下的温度分布,并依据燃料的热学行为对各种芯块进行分析评价。结果表明,FCM燃料的导热与耐热综合性能优于其他芯块。Abstract: In this paper, CFX has been used to simulate the thermal behaviors of UO2-Mo, UO2-SiC, UO2-BeO, U-Si, FCM and current UO2 fuel pellet under normal condition and accident condition, then evaluation has been made based on the simulation results. It turns out that FCM fuel has advantages due to its ability of thermal conductivity and resistance.
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Key words:
- Accident tolerance fuel /
- Pellet /
- Thermal property
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