摘要
在重点论述过热水蒸汽密度数学模型建立方法的基础上，提出了一种新的数学模型．这一模型有很宽的适用范围和较高的精度，特别适合于生产负荷变化大的过热水蒸汽流量计算机精确测量与控制①．
A method with which the mathematical model for the density of superheated steam is worked out and discussed in this paper.Based on it,a new kind of mathematical model is obtained.This model can be used widely and has high precision,especially it is suited for accurate measurement and control of superheated steam now by computer when the load changes greatly.
关键词
数学模型
密度
最小二乘法
水蒸汽
mathematical model
density
least square method
weighted least square method
