Humid and Dry Air

We provide the following property libraries for humid and dry air:

 

> LibHuAir for humid air with air-mass specific properties

> LibHuAir_Xiw for humid air with total-mass specific properties

> LibHuAirProp for humid air according to ASHRAE RP-1485 and RP-1767

> LibRealAir for dry air including liquid phase

LibHuAir

Property library LibHuAir for humid air, also at high pressures, high temperatures, and high water content with air-mass specific properties.

Calculation according to the PTB-Report PTB-CP-3 as an ideal mixture of real fluids: dry air according to the international reference equation from Lemmon et al. and steam, as well as water according to the International Industrial Formulation IAPWS‑IF97.

LibHuAir_Xiw

Property library LibHuAir_Xiw for humid air, also at high pressures, high temperatures and with high water content with total-mass specific properties.

Calculation according to the PTB-Report PTB-CP-3 as an ideal mixture of real fluids: dry air according to the international reference equation from Lemmon et al. and steam, as well as water according to the International Industrial Formulation IAPWS‑IF97.

LibHuAirProp

Property library LibHuAirProp from ASHRAE for humid air, also at high pressures, high temperatures and high water content with air-mass spcific quantities.

Calculation of the thermodynamic properties carried out with a mixture virial equation of state according to ASHRAE RP-1485 and the calculation of transport properties according to ASHRAE RP-1767.

LibRealAir

Property library LibRealAir for dry air as a gas and liquid including two-phase mixture.

Calculation according to the international reference formulation from Lemmon et al. for the thermodynamic properties and reference equations for transport properties.