饱和蒸汽特性数据表 压力 绝压 饱和 温度 水的比焓 (h f) 蒸发比焓 (h fg ) 蒸汽比焓 (hg) 蒸汽密度 蒸气比容 (vg) 水的比熵 (s f) 蒸发比熵 (s fg ) 蒸汽比熵 (sg) 蒸汽比热 (c v) 蒸汽比热 (cp) 声速 蒸汽动力 粘度 等熵系数 (k) 蒸汽压缩 系数 bar °C kJ/kg kJ/kg kJ/kg kg/m3 m3/kg kJ/kg K kJ/kg K kJ/kg K kJ/kg K kJ/kg K m/s Pa s 0.125 50.25 210.42 2381.25 2591.67 0.084 11.8958 0.707 7.363 8.070 1.443 1.920 443.917 1.06E-05 1.3252 0.9963 0.13 51.05 213.74 2379.34 2593.08 0.087 11.4652 0.
There is a large number of saturation vapor pressure equations used to calculate the pressure of water vapor over a surface of liquid water or ice. This is a brief overview of the most important equations used. Several useful reviews of the existing vapor pressure curves are listed in the references. Please note the updated discussion of the WMO formulation. 1) Vapor Pressure over liquid water