Reference Specific Enthalpy and Entropy
Dear All,
I am making a comparison between the preloaded data in CFX and properties available for real fluid. I am checking in particular the reference specific enthalpy and entropy of water at 25°C. In CFX: Ref Spec Enthalpy = -1.586E+7 J/Kg (how is it possible to have a negative value???) Ref Spec Entropy = 2.82E+3 J/Kg/K but looking at the values in NIST RefProp I see: Enthalpy = 104.83 J/Kg Entropy = 0.367 J/Kg/K Why the values are not matching? Am I comparing different quantities? How is it possible to have a a negative Ref Spec Enthalpy in CFX? Thanks in advance. Regards |
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