IAPWS-IF97与IFC-67公式在超临界机组热力计算中的偏差分析

Error analysis of thermodynamic calculations for supercritical units by IAPWS-IF97 and IFC-67 formulas

对IAPWS-IF97和IFC-67公式进行了简单对比。通过2种公式的计算偏差分析,说明了IAPWS-IF97公式在超临界600 MW机组热力计算中应用的优势及推广的必要性。

The IAPWS - IF97 formula is compared with IFC - 67. Based on error analysis of calculations using both formula, the article explains the advantages of IAPWS -IF97 formula in thermodynamic calculations of 600MW supercritical units.