A General Model Based on Graph Theory for Quantitative Analysis of PWR Thermodynamic System
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摘要: 在深入研究压水堆(PWR)核电机组热力系统结构特点的基础上,将图论思想引入热力系统节能分析,规定核电机组热力系统的划分原则及其基于图的表达方法,确定核电机组热力系统的有向图带权邻接矩阵填写规则。根据回热加热器系统的能量守恒定律、质量守恒定律,确定核电机组主、辅系统的有向图带权邻接矩阵表达规则以及矩阵的运算规则,推导出通用PWR核电机组热力系统的有向图带权邻接矩阵方程,并用实例验证本方法的正确性。Abstract: Based on the analysis of the structure feature of PWR nuclear power plants,graph theory are introduced in the thermal economy analysis fields.According to the abstraction rule of the thermal system in PWR nuclear power plants,the boundary delimitation of a power plant thermal system is determined,and the thermal system of PWR nuclear power plants is expressed as the form of graph theory.A new unified rules for analyzing the thermal system are established.Combined with the first thermodynamics law and mass conservation law,weighted diagraph adjacency matrix is deducted.An example is given to illustrate the validity of the method.
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Key words:
- PWR /
- Secondary-circuit /
- Thermodynamic system
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