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aspen物性方法的问题

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发表于 2015-5-28 16:54:21 显示全部楼层 |阅读模式

模拟的环氧乙烷吸收塔,但是其中丁烯对于SR-POLAR的计算似乎并不适用,但是丁烯在这个体系里又是微量的,请问有没有什么方法使这个物性方法不对丁烯计算相对密度,或者修改里面ESHOC的计算? 112.bkp (88.04 KB, 下载次数: 2)




物性方法选SR-POLAR,但是运行就出现下面的错误:
*   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =   -1.26
      AT TEMPERATURE =    318.150, PRESSURE =     0.26184E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =  -0.433
      AT TEMPERATURE =    298.150, PRESSURE =     0.16433E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =  -0.411
      AT TEMPERATURE =    318.150, PRESSURE =     0.30732E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =   0.748
      AT TEMPERATURE =    318.150, PRESSURE =     0.21997E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =  -0.217
      AT TEMPERATURE =    298.150, PRESSURE =     0.19102E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR

  *   WARNING IN PHYSICAL PROPERTY SYSTEM
      EQUATION OF STATE MODEL ESHOC CALCULATES REDUCED DENSITY =   0.550
      AT TEMPERATURE =    298.150, PRESSURE =     0.13189E+07
      REDUCED DENSITY > 0.5; RESULTS MAY HAVE SIGNIFICANT ERROR



发表于 2015-5-28 16:54:21 显示全部楼层

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