本文基于能的梯级利用原理，把产功和供热有机结合，开拓出新颖的核能Brayton闭式循环功热并供系统；基于热力学基本方程推导出系统特性解析式，建立四个独立变量的系统数学模型；应用三种不同的评价准则对系统进行模拟分析，绘制不同条件下的特性线簇，概括了系统性能随独立变量的变化规律，得出许多有价值的结论。
Based on the concept of energy cascade utilization,We have investigated and developed a novel nuclear energy Brayton closed-cycle cogeneration system. The new system features were identified with three kinds of criteria, and analytical solutions for this system were also deduced. At the same time,by setting up mathematical model with four independent variables for this system, we have pointed out the relationship between system performance and independent variables. These promising results obtained here will be valuable for development of nuclear power generation system.
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