一种匹配移动式固体核反应堆的布雷顿循环系统设计优化方法,根据设计约束初始化输入参数进行布雷顿循环热力学计算,根据计算得到的结果进行系统质量及效率分析,根据分析得到的影响系统质量的重要参数,采用改进的非支配排序遗传算法(NSGA-II)进一步优化分析,实现布雷顿循环系统优化。本发明兼顾考虑循环热效率及系统输出功率,通过参数化和最优化分析手段,获得不同设计约束下的系统质量最优设计,能够运用在耦合小型核反应堆的布雷顿循环系统的质量优化设计中,对于优化确定系统参数以降低装置整体质量具有一定参考价值。

A design optimization method of Brayton cycle system for mobile solid state nuclear reactors is used to carry out thermodynamic calculations of the Brayton cycle based on the design constraints of the initialized input parameters, perform system quality and efficiency analyses based on the results of the calculations, and further optimize and analyze the system based on the important parameters affecting the quality of the system obtained from the analyses by using the improved Non-dominated Sorting Genetic Algorithm (NSGA-II), which achieves the optimization of the Brayton cycle system. Brayton cycle system optimisation. This invention takes into account the thermal efficiency of the cycle and the output power of the system, and obtains the optimal design of the system quality under different design constraints by means of parameterisation and optimisation analysis, which can be applied to the optimal design of the Brayton cycle system coupled with small nuclear reactors, and is of certain reference value for the optimisation of determining the parameters of the system in order to reduce the overall quality of the device.