Buildings.Utilities.Psychrometrics.Constants
Library of constants for psychometric functions
Information
This package provides constants for functions used in the calculation of thermodynamic properties of moist air.
Extends from Modelica.Icons.Package (Icon for standard packages).
Package Content
| Name | Description |
|---|---|
| T_ref=273.15 | Reference temperature for psychrometric calculations |
| cpAir=1006 | Specific heat capacity of air |
| cpSte=1860 | Specific heat capacity of water vapor |
| cpWatLiq=4184 | Specific heat capacity of liquid water |
| h_fg=2501014.5 | Enthalpy of evaporation of water at the reference temperature |
| k_mair=0.6219647130774989 | Ratio of molar weights |
Types and constants
constant Modelica.SIunits.Temperature T_ref = 273.15 "Reference temperature for psychrometric calculations";
constant Modelica.SIunits.SpecificHeatCapacity cpAir=1006 "Specific heat capacity of air";
constant Modelica.SIunits.SpecificHeatCapacity cpSte=1860 "Specific heat capacity of water vapor";
constant Modelica.SIunits.SpecificHeatCapacity cpWatLiq = 4184 "Specific heat capacity of liquid water";
constant Modelica.SIunits.SpecificEnthalpy h_fg = 2501014.5 "Enthalpy of evaporation of water at the reference temperature";
constant Real k_mair = 0.6219647130774989 "Ratio of molar weights";