表2.2.2空气的压缩系数压力/MPa 温度/K0.10.512468101520900.9764 0.45810.67790.89291000.97970.8872 0.34980.43370.63860.83771200.98800.93730.86600.6730 0.33710.41320.59640.77201400.99270.96140.92050.82970.58560.33130.37370.43400.59091.76991600.99510.97480.94890.89540.78020.66030.56960.54890.63400.75641800.99670.98320.96600.93140.86250.79770.74320.70840.71800.79862000.99780.98860.97670.95390.91000.87010.83740.81420.80610.85402500.99920.99570.99110.98220.96710.95490.94630.94110.94500.97133000.99990.99870.99740.99500.99170.99010.99030.99301.00741.03263501.00001.00021.00041.00141.00381.00751.01211.01831.03771.06354001.00021.00121.00251.00461.01001.01591.02291.03121.05331.07954501.00031.00161.00341.00631.01331.02101.02871.03741.06141.09135001.00031.00201.00341.00741.01511.02341.03231.04101.06501.091常见气体的临界值（273.15K 101325Pa）： 气体 临界温度K 临界压力MPa 临界密度Kg/Nm3 氢气 33.3 1.297 31.015 甲烷 191.05 4.6407 162 乙烷 305.45 4.8839 210 乙烯 282.95 5.3398 220 丙烷 368.85 4.3975 226 丙烯 364.75 4.7623 232 正丁烷 425.95 3.6173 225 异丁烷 407.15 3.6578 221 正戊烷 470.35 3.3437 232 氧 -118.6 5.043压缩系统数因压力及温度不同而不同，可以大致计算出来组分 101.325kPa,273.15K 101.325kPa,293.15K 相对密度理想发热量 绝对密度 压缩因子 求和因子 理想发热量 绝对密度 压缩因子 求和因子 Hs(kJ/m3) Hi(kJ/m3) (kg/m3) Z Hs(kJ/m3) Hi(kJ/m3) (kg/m3) Z d氢气 12789 10779 0.0899 1.0006 11889 10051 0.0838 1.0006 0.0696 氮气 1.2498 0.9995 0.0224 1.1646 0.9997 0.0173 0.9672 二氧化碳 1.9635 0.9932 0.0670 1.8296 0.9946 0.0595 1.5195 一氧化碳 12618 12618 1.2497 0.9993 0.0265 11763 11763 1.1644 0.9996 0.0200 0.9671 氧气 1.4276 0.9990 0.0316 1.3302 0.9993 0.0265 1.1048 甲烷 39829 35807 0.7157 0.9976 0.0490 37033 33356 0.6669 0.9982 0.0424 0.5539 硫化氢 26141 23130 1.5203 0.9884 0.1077 23393 21555 1.4166 0.9911 0.0943 1.1765 氩气 1.7823 0.9990 0.0316 1.6607 0.9993 0.0265 1.3792 水（气态） 0.8038 0.9680 0.1790 0.7489 0.9720 0.1670 0.6220101.325kPa 273.15K101.325kPa 293.15K气体相对密度理想发热量(kJ/m3)绝对密度(kg/m3)压缩因子求和因子理想发热量绝对密度压缩因子求和因子氢气12789107790.08991.0006氮气二氧化碳一氧化碳氧气甲烷硫化氢氩气水（气态）1兰苑文档