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Does anyone know the difference between real critical parameters and virtual critical parameters?

2010-03-30View Original

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True critical pressure and pseudo critical pressure, true critical temperature and pseudo critical temperature. Thank you!
Reply #22010-03-31
The real thing is what has been measured. Virtual divisions come in 2 types: 1. For mixtures, EOS is used; parameters are combined using mixing rules and then calculated ； 2. Things without critical properties are invented to be used with existing thermodynamic theories that contain critical parameters.
Reply #32010-03-31
The answer is upstairs. I remember that in the book \"Design Manual for Small Nitrogen Fertilizers\", there are detailed examples regarding \"virtual critical parameters\".
Reply #42010-04-07
Virtual critical parameters are calculated using mixing rules based on the critical parameters of existing substances.

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Translated at 2026-07-27 05:56:08

Original: https://bbs.hcbbs.com/thread-641385-1-1.html

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