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lijianf88

木虫 (正式写手)

[求助] 液相逸度系数怎么这么大?

我用PR方程计算CH4 C2H6 CO2 H2S的逸度系数时,各组分气相逸度系数在1左右,而液相逸度系数可能达几百甚至上千。请问液相的逸度系数的计算结果有问题吗?
例如,在温度200K,压力1MPa,各组分含量:0.5 0.3 0.05 0.15(摩尔分数)时
气相逸度系数分别为:0.7266 0.01356 0.1041 0.0382
液相逸度系数分别为:282.83 146.32  43.03 14.88

[ Last edited by lijianf88 on 2012-4-19 at 17:03 ]
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cj716788

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请问楼主解决这个问题了吗?目前我在计算时也是出现了同样的问题。

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2楼2020-07-31 06:40:10
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