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邱丽娟

银虫 (初入文坛)

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注册: 2011-08-01
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专业: 热力学

[求助] 用ASPEN PLUS进行物性估算时提示出现错误，求助！

用ASPEN PLUS对CO2和低碳的醇气液相平衡系统进行物性估算，使用的是PRBM方程，但是计算结果出现如下错误是什么情况？有哪位大神能帮忙解答一下，谢谢！

->Processing input specifications ...

->Data Regression begins ...

BEGIN CASE R-1                                  TIME =    0.01
  **  ERROR IN PHYSICAL PROPERTY SYSTEM WHILE EXECUTING DRS CASE: "R-1"
                                                            (LQROOT.1)
   LIQUID ROOT NOT CONVERGED IN EOS MODEL ESPR
   T= 12.39    K, SPECIFIED P=  0.5760E+07 N/SQM,
   CALCULATED P=  0.5760E+07 N/SQM, ERROR=  0.1919    N/SQM

  **  ERROR IN PHYSICAL PROPERTY SYSTEM WHILE EXECUTING DRS CASE: "R-1"
                                                            (LQROOT.1)
   LIQUID ROOT NOT CONVERGED IN EOS MODEL ESPR
   T= 12.39    K, SPECIFIED P=  0.5760E+07 N/SQM,
   CALCULATED P=  0.5760E+07 N/SQM, ERROR=  0.1919    N/SQM

  **  ERROR IN PHYSICAL PROPERTY SYSTEM WHILE EXECUTING DRS CASE: "R-1"
                                                            (LQROOT.1)
   LIQUID ROOT NOT CONVERGED IN EOS MODEL ESPR
   T= 12.39    K, SPECIFIED P=  0.5760E+07 N/SQM,
   CALCULATED P=  0.5760E+07 N/SQM, ERROR=  0.1919    N/SQM

  **  ERROR IN PHYSICAL PROPERTY SYSTEM WHILE EXECUTING DRS CASE: "R-1"
                                                            (LQROOT.1)
   LIQUID ROOT NOT CONVERGED IN EOS MODEL ESPR
   T= 12.21    K, SPECIFIED P=  0.9970E+07 N/SQM,
   CALCULATED P=  0.9970E+07 N/SQM, ERROR= 6.251    N/SQM

  **  ERROR IN PHYSICAL PROPERTY SYSTEM WHILE EXECUTING DRS CASE: "R-1"
                                                            (LQROOT.1)
   LIQUID ROOT NOT CONVERGED IN EOS MODEL ESPR
   T= 12.21    K, SPECIFIED P=  0.9970E+07 N/SQM,
   CALCULATED P=  0.9970E+07 N/SQM, ERROR= 6.251    N/SQM

  **  ERROR IN PHYSICAL PROPERTY SYSTEM WHILE EXECUTING DRS CASE: "R-1"
                                                            (LQROOT.1)
   LIQUID ROOT NOT CONVERGED IN EOS MODEL ESPR
   T= 12.21    K, SPECIFIED P=  0.9970E+07 N/SQM,
   CALCULATED P=  0.9970E+07 N/SQM, ERROR= 6.251    N/SQM

! Data regression completed with errors

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