packageConstants
Library of constants for psychometric functions
Extends from Modelica.Icons.Package (Icon for standard packages).
Information
This package provides constants for functions used in the calculation of thermodynamic properties of moist air.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Temperature | T_ref | 273.15 | Reference temperature for psychrometric calculations |
| Modelica.Units.SI.SpecificHeatCapacity | cpAir | 1006 | Specific heat capacity of air |
| Modelica.Units.SI.SpecificHeatCapacity | cpSte | 1860 | Specific heat capacity of water vapor |
| Modelica.Units.SI.SpecificHeatCapacity | cpWatLiq | 4184 | Specific heat capacity of liquid water |
| Modelica.Units.SI.SpecificEnthalpy | h_fg | 2501014.5 | Enthalpy of evaporation of water at the reference temperature |
| Real | k_mair | 0.6219647130774989 | Ratio of molar weights |
Revisions
-
May 24, 2016, by Filip Jorissen:
Added reference temperature. -
July 24, 2014, by Michael Wetter:
First implementation.