Search found 4 matches

by Kristian
09 September 2013, 08:33
Forum: COCO (AmsterCHEM)
Topic: Refprop
Replies: 6
Views: 23807

Re: Refprop

Thanks again, problem solved.
by Kristian
04 September 2013, 06:50
Forum: COCO (AmsterCHEM)
Topic: Refprop
Replies: 6
Views: 23807

Re: Refprop

Thanks Jasper, you are of course right, the initial state in question here (30 C, 2 bar) is by chance the "dead" state of the process which is why I confused it for a iteration/initial guess problem. I am impressed by the level of support you provide, and not only because this problem is c...
by Kristian
02 September 2013, 14:23
Forum: COCO (AmsterCHEM)
Topic: Refprop
Replies: 6
Views: 23807

Re: Refprop

Sent example file to jasper@amsterchem.com. Thanks for quick reply. I have not made any effort to provide good first guesses for the iteration. However, when using the built-in property packages(TEA) with Peng-Robinson, this and alot more complicated flowsheets easily converge with the same inputs. ...
by Kristian
02 September 2013, 09:22
Forum: COCO (AmsterCHEM)
Topic: Refprop
Replies: 6
Views: 23807

Refprop

I have a problem with using Refprop in COFE. I have set up a water-ammonia mixture through the Refprop Cape-open ppm, which is working fine for direct calculations, but apparently not in iteration loops. I.e. for units which cannot be calculated sequentially I get the error message: "error: cal...

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