For improving the versatility and extensibility of the boiler thermodynamic calculation system, a modelling method with object-oriented application frameworks was presented.
为了提高锅炉热力计算模型的通用性和系统的可维护性，提出面向对象应用框架的系统建模方法。
By heat balance analysis of the whole regenerative system, which is regarded as a closed thermodynamic system, the calculation model on the influence of HPs removal on heat economy of unit is derived.
以汽轮机功率方程和锅炉吸热量方程为基础，并将机组的整个回热系统视为一闭口热力系统，通过对其的热平衡分析，得到了高加切除对机组热经济性影响的计算模型。
According to the features of equivalent enthalpy-drop method applied to thermodynamic system, the methods of local quantitative calculation for cycle function method in regenerative system is deduced.
根据等效焓降法在热力系统计算时的特点，推导了循环函数法在回热系统中的局部定量计算方法，导出了回热系统局部定量计算的几个重要结论。
Fast calculation of the refrigerant thermodynamic properties is fundamental and important for engineering calculations, especially for the refrigeration system simulation.
准确、快速、稳定地计算制冷剂热力性质是计算机辅助设计和工程计算的要求。
The thermodynamic system heat balance calculation method based on a topological analysis is considered as the most successful computer based method for calculating thermal power plant heat balance.
热力系统拓扑分析的热平衡计算方法是火电厂热平衡计算中最成功的计算机处理方法。
To solve these problems, an analysis on the insulation performance of tanks and a thermodynamic calculation on the heating system of tanks have been carried out.
为妥善解决这些问题，对油罐的保温性能进行了分析，同时对油罐的伴热系统进行了热力计算。计算结果对油罐冬季退出热力运行提供了理论依据。
In this process, the value of the heat balance method of thermodynamic system is regarded as norm because of high precision in calculation.
在比较过程中，以计算精度较高的回热系统热平衡法的计算值为基准。
In this process, the value of the heat balance method of thermodynamic system is regarded as norm because of high precision in calculation.
在比较过程中，以计算精度较高的回热系统热平衡法的计算值为基准。
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