#CO2 MOLLIER DIAGRAM FULL#
#CO2 MOLLIER DIAGRAM REGISTRATION#

It was constructed in 1981 from 'Fluid Thermodynamic Properties for Light Petroleum Systems', by Dr. enthalpy) and it also depicts all the phases. The other diagram I have and obtained from the NGPSA is a Mollier type (pressure vs. Liquid Carbonic was purchased by Praxair and I don't think the printing and distribution of the T-S diagram has been continued anymore. I have only two decent copies in my possession as mementos. I know it was accurate вЂ“ because it worked! I sized a large number of compressors using nothing more than this diagram and a slide rule. It was originally assembled under the German data of Kupriniof and used by their engineering department for designing everything from compressors to dry ice presses and all cooling applications. It was detailed, color coded, and 13' x 22' on heavy, quality paper. The best visual representation of the thermodynamic property values of CO2 has to be the T-S Diagram as published and freely distributed by the Liquid Carbonic Corporation during the 1960's. Any properties database or Equation of State that predicts a liquid phase for CO2 at atmospheric pressure (on planet Earth, at least) isn't worth the paper it is printed on. You are absolutely correct in your suspicions. RE: Mollier diagram fro CO2 zdas04 (Mechanical) 18 Mar 09 16:57 Hope somebody can explain how the Mollier diagram works below the triplepoint line. I dont trust HYSYS/PR because it predicts liquid CO2 at atm pressure - not possible! I also tried to switch to antonie og K10 - but they also find liquid co2 at atm. How do I read it - because of course I can let down the pressure - but what will the temperature be and how much of the phase will turn into dry-ice?ДЄ question comes to mind: Does the phases have the same density at the triplepoint?ДЄnyway how do I read this map - and how do I get from the triplepoint line to 0 barg? Is the problem that you can get experienment in the solid/vapour system because its to difficult to measure - or is it that further depressuring cannot be isenthalpic - or will all turn to ice at a instant (and wouldnt that require enthalpy?) or will i the follow the P/T curve in the phase diagram separating gas and solid - with a part of the co2 in solid and the other ingas? Now I tried to look at my textbooks, but none of the 'normal' (water and propane are quite common)PH diagrams has a triplepoint in this region - so the description dosnt cover this. Thats isenthalpic depressuring so i follow the constant enthalphy line to the phase split envelope, then continue downward (in a PH diagram) a- but then there's a line around 8 barg that says triplpoint and below this line there are no more line - no const enthalpy, entropy, density, temperature. If you have any questions, please don't hesitate to contact sales.I have been looking at a Mollier diagram for CO2 in order to determine the downstream temperature when letting down pressure drom 200 barg/3000 psig to 0 barg from e.g around 20 deg C/60 deg F.

#CO2 MOLLIER DIAGRAM FULL#

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#CO2 MOLLIER DIAGRAM REGISTRATION#

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Co2 mollier diagram