基于SIMULATE3程序对压水堆钍-钚燃料反馈性能及钚焚烧效率研究

采用类似于大亚湾900 MW压水堆的堆芯模型，使用燃料组件计算程序 CASMO4E和反应堆稳态分析程序SIMULATE3分别对铀燃料组件、铀钚燃料组件或钍钚燃料组件组成的堆芯的中子学特性进行了研究，分析了组件的燃耗深度、堆芯的平均燃耗、燃料温度系数与燃耗的关系。结果表明，钍钚燃料组件和铀燃料组件组成的堆芯中子特性相似，同时钍钚燃料用于焚烧武器级钚时，具有更高的焚烧效率。

A study of the feedback performance and plutonium burning efficiency of Th-Pu fuel in PWR using SIMULATE3 code

A comparative study of the physics properties of a DAYA BAY like PWR model, with Uranium assembly, U Pu assembly or Th Pu assembly in it, has been made using CASMO4E and SIMULATE3 codes. The parameters such as the exposure of each assembly, the core average exposure, fuel temperature coefficient and its variation as a function of operation period have been investigated. Results show that the neutron properties of Th Pu core and Uranium core are similar, and the Th Pu core can burn numerous weapon grade Pu with higher efficiency.