- 积分
- 18
- 注册时间
- 2012-7-1
- 积分
- 18

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状态方程SRK不适用于液相密度计算,楼主换成BWRS方程。下面是我用flash模块模拟的结果:(符合文献值)
Total Stream
Rate 10.000 kg-mol/hr
160.428 kg/hr
Std. Liq. Rate 0.535 m3/hr
Temperature -162.183 C
Pressure 100.000 kPa
Molecular Weight 16.043
Enthalpy -0.106 x 10^6 kJ/hr
-659.452 kJ/kg
Mole Fraction Liquid 1.0000
Reduced Temperature 0.5823
Reduced Pressure 0.0217
Acentric Factor 0.0115
UOP K factor 19.525
Std. Liquid Density 299.704 kg/m3
Sp. Gravity 0.3000
API Gravity 340.167
Vapor
Rate n/a
n/a
n/a
Vapor Std Vol Flow n/a
Molecular Weight n/a
Z (from K) n/a
Enthalpy n/a
CP n/a
Density n/a
Th. Conductivity n/a
Viscosity n/a
Liquid
Rate 10.000 kg-mol/hr
160.428 kg/hr
0.370 m3/hr
Liquid Std Vol Flow 0.535 m3/hr
Molecular Weight 16.043
Z (from K) 0.00401
Enthalpy -659.452 kJ/kg
CP 3.597 kJ/kg-C
Density 433.787 kg/m3
Surface Tension 0.0134 N/m
Th. Conductivity 0.18932 W/m-K
Viscosity 0.00012 Pa-sec
还有就是天然气组成99%是甲烷,还有C2~C4;因此密度有差别。 |
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