三组分精馏

葫芦娃 · 发表于 1970-1-1 08:00:00

用dstwu模拟三组分精馏确定塔板数回流比但是出现FLASH计算未能在11次迭代中收敛求大神解答

葫芦娃 · 发表于 1970-1-1 08:00:00

FLASH CALCULATIONS FAILED TO CONVERGE IN  11  ITERATIONS. BUBBLE POINT
   CALCULATION HAS DRIVEN THE TEMPERATURE DOWN TO THE LOWER LIMIT OF
   120.0000 DEGREE K.  BUBBLE POINT TEMPERATURE MAY NOT EXIST AT THE
   SPECIFIED PRESSURE.  BUBBLE POINT FLASH OF BOTTOMS FAILED.  BLOCK
   BYPASSED.

edwardlau · 发表于 1970-1-1 08:00:00

三个组分是不是有共沸的啊

dpp0512 · 发表于 1970-1-1 08:00:00

可以发个源文件看看