二氧化碳物理性质文档格式.docx

1、m3/（kmolK）1330.50.350.5122.26-394.60.008314二、物理性质、热力学性质（一）特性参数1-3 见表2表2熔点，沸点，相对密度（空气=1）比容,m3/kg绝热系数（K）-56.6（527Kpa）-78.5（升华）1.524（0,1atm）1.522（21.1,1atm）0.5059（0,1atm）0.5457（21.1,1atm）1.295临界点：温度，临界压力，MPa临界密度,kg/m3气体密度，kg/m31 m3气体生成液体体积，L31.067.3824671.977（0,1atm）1.833（21.1,1atm）1.56（288K, 0.101MPa）

2、表3 临界状态及标准状态下的部分参数7临界状态（31.06,7.382Mpa）标准状态（0,1atm）压缩系数偏差系数偏心因子流体粘度，mPas0.3150.2740.2250.0404定压比热，KJ/（Kg定容比热，KJ/（Kg0.01380.850.661表4 二氧化碳的亨利系数值7数值，10-6mmHg40501.771.95602.152.59注：1mmHg=133.3Pa.表5 二氧化碳的压缩系数4压力MPa温 度 20801000.10135.06627.599410.132512.66615.19917.731920.265022.798125.331227.864430.397

3、535.463840.530045.596250.66251.00000.10500.15300.20200.24900.29500.34050.38500.43050.47400.51700.55950.64450.72800.80900.8905-0.63360.16770.21300.25900.30380.34710.39040.43370.47520.51670.55770.63830.71840.79670.87400.74140.54080.26950.29220.32880.36770.40780.44750.48670.52680.56570.64240.71790.7916

4、0.86350.80680.68950.54200.41820.39760.41450.44480.47760.51240.54730.58210.65430.72480.79450.86420.84770.76420.67490.58710.52600.50390.51050.52710.55190.58130.61100.73940.80440.86940.88320.81840.75400.69320.64270.60900.59620.59840.61160.62950.65150.70380.76020.81910.8788表6 液体二氧化碳密度-温度对照表1-3温度 密度kgm33

5、1.030.027.525.022.520.017.515.012.510.07.55.02.50.0-2.5-5.0-7.5-10.0463.9596.4661.0705.8741.2770.7795.5817.0838.5858.0876.0893.1910.0924.0940.0953.0968.0980.8-12.5-15.0-17.5-20.0-22.5-25.0-27.5-30.0-32.5-35.0-37.5-40.0-42.5-45.0-47.5-50.0-55.0993.81008.11018.51029.91041.71052.61063.61074.21084.51094

6、.91105.01115.01125.01134.51144.41153.51172.1表7 固体二氧化碳温度密度对照表4-56.6-60-65-701512152215351546-75-80-85-901557156615751782表8 二氧化碳的粘度（0.101325MPa,u106） 4粘度 Pa-100-50-25258.8610.0711.2612.4713.6714.6314.867515020025030016.0717.1618.2720.4522.5424.5626.46表9 液体二氧化碳的粘度（106）4510159992.585.278.4293071.262.553

7、.953.0表10 二氧化碳在不同压力及温度下的粘度（u106,u=ut+5.2510-31.7,密度0.63103kg/m3）1250.1012.0264.0536.0808.10610.13212.15914.18616.21218.23820.26525.33130.39814.014.314.414.715.714.815.115.915.215.516.218.516.618.324.245.116.116.316.918.221.229.742.116.516.717.318.420.524.528.636.644.417.417.618.018.920.322.324.729.9

8、34.938.644.018.819.620.622.024.126.829.833.236.844.652.919.419.220.221.023.427.129.231.838.143.820.420.821.524.627.627.729.534.439.322.422.723.123.624.925.726.728.831.935.2（二）相变1-3 见表.2.10-9表11三相点：压力，Mpa汽化热，kJ/kg熔化热，kJ/kg-56.570.518347195.82升华状态：升华热，kJ/Kg固态密度，kg/m3气态密度，kg/m30. 101Mpa-78.5573.615622.814表12 二氧化碳在不同温度下的汽化热4汽化热 kJ/kg-55-45-40-35-30-20-1534