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Component Splitter Bottom Flow Problem- Hysys 11

hysys aspen hysys component splitter

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#1 DawidDymek


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Posted 15 June 2021 - 09:21 AM

Hello everyone,

I'm power engeneering student and recently i'm trying to solve a problem that occured in one of my projects. Basically, what i'm trying to do is to split the air stream in component splitter. In my case the molar flow of the stream is about 7,5e(-4) [gmole/s]. I know the splits and other parameters but the problem is that my bottom stream after splitting has molar flow equals 0. I found out that everytime my supplying stream has molar flow below 10e(-4) [gmole/s] the bottom molar stream value is 0 and when I change the supplying molar stream value to be above the 10e(-4) [gmole/s] the bottom stream is calculated correctly. Do you know how to  change the accuracy of calculations in splitter or maybe  you have any other solutions for this problem? 

#2 Bobby Strain

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Posted 15 June 2021 - 11:24 AM

Try using kgmol/h.



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