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vapor pressure calculation

thread142-106578

vapor pressure calculation

vapor pressure calculation

(OP)
how can the vapor pressure of a liquid be calculated by HYSYS?
thanks
Replies continue below

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RE: vapor pressure calculation

Just input the temperature and a vapor fraction of 0.
Be aware that if you are above the critical point, you may get an arbitrary answer. If you want to know for sure, you can produce a phase envelope (with the envelope utility, Ctrl-U)

Cheers,
Joerd

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