摘要
分析了密度变化对发电厂过热蒸汽流量测量的影响,给出了根据过热蒸汽压力和温度计算密度的公式;公式采用多项式拟合的方法得出,具有较高精度,可应用于发电厂过热蒸汽流量测量仪表和DCS系统中。
This paper analyses the influence of superheated steam density on steam flow measurement,gives the formula to calculate the density on the basis of superheated steam pressure and temperature by means of polynomial fitting method.The formula is of high precision and can be applied in intelligent measuring appliance and DCS system.
出处
《陕西电力》
2010年第10期23-25,共3页
Shanxi Electric Power
关键词
过热蒸汽
密度
计算方法
superheated steam
density
calculation method
