COSINE软件包中子动力学程序KIND的点堆动力学模块设计

Design of Point Kinetic Module in Neutron Kinetic Program KIND of COSINE Software Package

围绕实现点堆动力学程序工程化设计的问题,简介了COSINE软件包的点堆动力学计算模块。关于点堆算法的选取,本文对比了显式方法和去刚性算法计算各种典型瞬态问题的结果。结果表明,上述两种算法能充分满足设计可靠性的要求。关于反应性模型的设计,本文简介了全面覆盖各种反应性引入形式和反馈形式的设计思想。此外,还简介了本模块内置的热工模型。本文点堆动力学模块的设计具有良好的可靠性和灵活性。

The point kinetics calculation module in COSINE software package was introduced,and the realization of the engineering design of point kinetics codes was described.On selection of point kinetics method,the explicit method with stiffness confinement method by the results of various typical transient problems was compared,and the described methods in this paper can fully meet the requirements of reliably design.On design of reactivity model,the idea of comprehensively coverage of every reactivity disturbance introduction forms and every reactivity feedback forms were introduced.In addition,the built-in thermal model was also introduced.The design of kinetic module in this paper has good reliability and flexibility.