摘要
目的研究建立热力参数的高精度、宽范围的数学模型．方法从智能化热力参数测量仪的实际出发，以载热介质温度、压力为变量，根据热力学理论和国际通用标准数据，确定模型的基本形式，并采用多元回归方法，求出模型系数．结果通过计算机运算验证了模型的精确度，由实际应用证明了模型的正确性．结论这些数学模型为智能化热力参数测量仪的设计提供了一条可行的途径，也可用于热力工程设计计算．
Aim To study the method of establishing the mathematical models with high accuracy and wide range. Methods Considering the actual conditions of intelligent instrument to test heating power parameters, the paper ascertains the temperature and pressure variables for mathematical models. According to the international standard thermodynamic data, the coefficients of these models are derived by using multiple regression. Results The accuracy of models is tested and verified, and the rightness is proved by experiments. Conclusion These models present a feasible way to design intelligent instrument of measuring heating power parameters. The models can apply to any calculation of heating engineering.
出处
《华北工学院学报》
1999年第2期130-132,共3页
Journal of North China Institute of Technology
基金
国家重点推广项目
中国博士后资金资助
