| Name | 
Description | 
| Inherited | 
| Water=1 | 
Index of water (in substanceNames, massFractions X, etc.) | 
| Air=2 | 
Index of air (in substanceNames, massFractions X, etc.) | 
| dryair | 
Dry air properties | 
| steam | 
Steam properties | 
| k_mair=steam.MM/dryair.MM | 
Ratio of molar weights | 
| MMX={steam.MM,dryair.MM} | 
Molar masses of components | 
| pStp=reference_p | 
Pressure for which fluid density is defined | 
| dStp=1.2 | 
Fluid density at pressure pStp | 
  ThermodynamicState
 | 
ThermodynamicState record for moist air | 
  BaseProperties
 | 
Base properties (p, d, T, h, u, R, MM and X and Xi) of a medium | 
  density
 | 
Gas density | 
  dynamicViscosity
 | 
Return the dynamic viscosity of dry air | 
  enthalpyOfCondensingGas
 | 
Enthalpy of steam per unit mass of steam | 
  enthalpyOfGas
 | 
Enthalpy of gas mixture per unit mass of gas mixture | 
  enthalpyOfLiquid
 | 
Enthalpy of liquid (per unit mass of liquid) which is linear in the temperature | 
  enthalpyOfNonCondensingGas
 | 
Enthalpy of non-condensing gas per unit mass of steam | 
  enthalpyOfVaporization
 | 
Enthalpy of vaporization of water | 
  gasConstant
 | 
Return ideal gas constant as a function from thermodynamic state, only valid for phi<1 | 
  pressure
 | 
Returns pressure of ideal gas as a function of the thermodynamic state record | 
  isobaricExpansionCoefficient
 | 
Isobaric expansion coefficient beta | 
  isothermalCompressibility
 | 
Isothermal compressibility factor | 
  saturationPressure
 | 
Saturation curve valid for 223.16 <= T <= 373.16 (and slightly outside with less accuracy) | 
  specificEntropy
 | 
Return the specific entropy, only valid for phi<1 | 
  density_derp_T
 | 
Return the partial derivative of density with respect to pressure at constant temperature | 
  density_derT_p
 | 
Return the partial derivative of density with respect to temperature at constant pressure | 
  density_derX
 | 
Return the partial derivative of density with respect to mass fractions at constant pressure and temperature | 
  specificHeatCapacityCp
 | 
Specific heat capacity of gas mixture at constant pressure | 
  specificHeatCapacityCv
 | 
Specific heat capacity of gas mixture at constant volume | 
  setState_dTX
 | 
Return thermodynamic state as function of density d, temperature T and composition X | 
  setState_phX
 | 
Return thermodynamic state as function of pressure p, specific enthalpy h and composition X | 
  setState_pTX
 | 
Return thermodynamic state as function of p, T and composition X or Xi | 
  setState_psX
 | 
Return the thermodynamic state as function of p, s and composition X or Xi | 
  specificEnthalpy
 | 
Compute specific enthalpy from pressure, temperature and mass fraction | 
  specificEnthalpy_pTX
 | 
Specific enthalpy | 
  specificGibbsEnergy
 | 
Specific Gibbs energy | 
  specificHelmholtzEnergy
 | 
Specific Helmholtz energy | 
  isentropicEnthalpy
 | 
Return the isentropic enthalpy | 
  specificInternalEnergy
 | 
Specific internal energy | 
  temperature
 | 
Return temperature of ideal gas as a function of the thermodynamic state record | 
  molarMass
 | 
Return the molar mass | 
  temperature_phX
 | 
Compute temperature from specific enthalpy and mass fraction | 
  thermalConductivity
 | 
Thermal conductivity of dry air as a polynomial in the temperature | 
  GasProperties
 | 
Coefficient data record for properties of perfect gases | 
| h_fg=Buildings.Utilities.Psychrometrics.Constants.h_fg | 
Latent heat of evaporation of water | 
| cpWatLiq=Buildings.Utilities.Psychrometrics.Constants.cpWatLiq | 
Specific heat capacity of liquid water | 
  der_enthalpyOfLiquid
 | 
Temperature derivative of enthalpy of liquid per unit mass of liquid | 
  der_enthalpyOfCondensingGas
 | 
Derivative of enthalpy of steam per unit mass of steam | 
  enthalpyOfDryAir
 | 
Enthalpy of dry air per unit mass of dry air | 
  der_enthalpyOfDryAir
 | 
Derivative of enthalpy of dry air per unit mass of dry air | 
  der_enthalpyOfNonCondensingGas
 | 
Derivative of enthalpy of non-condensing gas per unit mass of steam | 
  der_specificHeatCapacityCp
 | 
Derivative of specific heat capacity of gas mixture at constant pressure | 
  der_specificHeatCapacityCv
 | 
Derivative of specific heat capacity of gas mixture at constant volume | 
| fluidConstants={Modelica.Media.IdealGases.Common.FluidData.H2O,Modelica.Media.IdealGases.Common.FluidData.N2} | 
Constant data for the fluid | 
  moleToMassFractions
 | 
Return mass fractions X from mole fractions | 
  massToMoleFractions
 | 
Return mole fractions from mass fractions X | 
| ThermoStates=Modelica.Media.Interfaces.Choices.IndependentVariables.pTX | 
Enumeration type for independent variables | 
| mediumName="Air" | 
Name of the medium | 
| substanceNames={"water","air"} | 
Names of the mixture substances. Set substanceNames={mediumName} if only one substance. | 
| extraPropertiesNames=fill("", 0) | 
Names of the additional (extra) transported properties. Set extraPropertiesNames=fill("",0) if unused | 
| singleState=false | 
= true, if u and d are not a function of pressure | 
| reducedX=true | 
= true if medium contains the equation sum(X) = 1.0; set reducedX=true if only one substance (see docu for details) | 
| fixedX=false | 
= true if medium contains the equation X = reference_X | 
| reference_p=101325 | 
Reference pressure of Medium: default 1 atmosphere | 
| reference_T=273.15 | 
Reference temperature of Medium: default 25 deg Celsius | 
| reference_X={0.01,0.99} | 
Default mass fractions of medium | 
| p_default=101325 | 
Default value for pressure of medium (for initialization) | 
| T_default=293.15 | 
Default value for temperature of medium (for initialization) | 
| h_default=specificEnthalpy_pTX(p_default, T_default, X_default) | 
Default value for specific enthalpy of medium (for initialization) | 
| X_default=reference_X | 
Default value for mass fractions of medium (for initialization) | 
| C_default=fill(0, nC) | 
Default value for trace substances of medium (for initialization) | 
| nS=size(substanceNames, 1) | 
Number of substances | 
| nX=nS | 
Number of mass fractions | 
| nXi=if fixedX then 0 else if reducedX then nS - 1 else nS | 
Number of structurally independent mass fractions (see docu for details) | 
| nC=size(extraPropertiesNames, 1) | 
Number of extra (outside of standard mass-balance) transported properties | 
| C_nominal=1.0e-6*ones(nC) | 
Default for the nominal values for the extra properties | 
  FluidConstants
 | 
Critical, triple, molecular and other standard data of fluid | 
  setSmoothState
 | 
Return thermodynamic state so that it smoothly approximates: if x > 0 then state_a else state_b | 
  prandtlNumber
 | 
Return the Prandtl number | 
  heatCapacity_cp
 | 
Alias for deprecated name | 
  heatCapacity_cv
 | 
Alias for deprecated name | 
  isentropicExponent
 | 
Return isentropic exponent | 
  velocityOfSound
 | 
Return velocity of sound | 
  beta
 | 
Alias for isobaricExpansionCoefficient for user convenience | 
  kappa
 | 
Alias of isothermalCompressibility for user convenience | 
  density_derp_h
 | 
Return density derivative w.r.t. pressure at const specific enthalpy | 
  density_derh_p
 | 
Return density derivative w.r.t. specific enthalpy at constant pressure | 
  specificEntropy_pTX
 | 
Return specific enthalpy from p, T, and X or Xi | 
  density_pTX
 | 
Return density from p, T, and X or Xi | 
  density_phX
 | 
Return density from p, h, and X or Xi | 
  temperature_psX
 | 
Return temperature from p,s, and X or Xi | 
  density_psX
 | 
Return density from p, s, and X or Xi | 
  specificEnthalpy_psX
 | 
Return specific enthalpy from p, s, and X or Xi | 
  MassFlowRate
 | 
Type for mass flow rate with medium specific attributes | 
  AbsolutePressure
 | 
Type for absolute pressure with medium specific attributes | 
  Density
 | 
Type for density with medium specific attributes | 
  DynamicViscosity
 | 
Type for dynamic viscosity with medium specific attributes | 
  EnthalpyFlowRate
 | 
Type for enthalpy flow rate with medium specific attributes | 
  MassFraction
 | 
Type for mass fraction with medium specific attributes | 
  MoleFraction
 | 
Type for mole fraction with medium specific attributes | 
  MolarMass
 | 
Type for molar mass with medium specific attributes | 
  MolarVolume
 | 
Type for molar volume with medium specific attributes | 
  IsentropicExponent
 | 
Type for isentropic exponent with medium specific attributes | 
  SpecificEnergy
 | 
Type for specific energy with medium specific attributes | 
  SpecificInternalEnergy
 | 
Type for specific internal energy with medium specific attributes | 
  SpecificEnthalpy
 | 
Type for specific enthalpy with medium specific attributes | 
  SpecificEntropy
 | 
Type for specific entropy with medium specific attributes | 
  SpecificHeatCapacity
 | 
Type for specific heat capacity with medium specific attributes | 
  SurfaceTension
 | 
Type for surface tension with medium specific attributes | 
  Temperature
 | 
Type for temperature with medium specific attributes | 
  ThermalConductivity
 | 
Type for thermal conductivity with medium specific attributes | 
  PrandtlNumber
 | 
Type for Prandtl number with medium specific attributes | 
  VelocityOfSound
 | 
Type for velocity of sound with medium specific attributes | 
  ExtraProperty
 | 
Type for unspecified, mass-specific property transported by flow | 
  CumulativeExtraProperty
 | 
Type for conserved integral of unspecified, mass specific property | 
  ExtraPropertyFlowRate
 | 
Type for flow rate of unspecified, mass-specific property | 
  IsobaricExpansionCoefficient
 | 
Type for isobaric expansion coefficient with medium specific attributes | 
  DipoleMoment
 | 
Type for dipole moment with medium specific attributes | 
  DerDensityByPressure
 | 
Type for partial derivative of density with respect to pressure with medium specific attributes | 
  DerDensityByEnthalpy
 | 
Type for partial derivative of density with respect to enthalpy with medium specific attributes | 
  DerEnthalpyByPressure
 | 
Type for partial derivative of enthalpy with respect to pressure with medium specific attributes | 
  DerDensityByTemperature
 | 
Type for partial derivative of density with respect to temperature with medium specific attributes | 
  DerTemperatureByPressure
 | 
Type for partial derivative of temperature with respect to pressure with medium specific attributes | 
  SaturationProperties
 | 
Saturation properties of two phase medium | 
  FluidLimits
 | 
Validity limits for fluid model | 
  FixedPhase
 | 
Phase of the fluid: 1 for 1-phase, 2 for two-phase, 0 for not known, e.g., interactive use | 
  Basic
 | 
The most basic version of a record used in several degrees of detail | 
  IdealGas
 | 
The ideal gas version of a record used in several degrees of detail | 
  TwoPhase
 | 
The two phase fluid version of a record used in several degrees of detail |