Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesWater.Medium
Medium model
Buildings.Fluid.MixingVolumes.Validation.MixingVolume.Medium
Medium model
Buildings.Fluid.MixingVolumes.Validation.MixingVolumeAdiabaticCooling.Medium
Medium model
Buildings.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.Medium
Buildings.Fluid.MixingVolumes.Validation.MixingVolumeMassFlow.Medium
Medium model
Buildings.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.Medium
Buildings.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.Medium
Medium model
Package Content
Name | Description |
---|---|
Inherited | |
Water=1 | Index of water (in substanceNames, massFractions X, etc.) |
Air=2 | Index of air (in substanceNames, massFractions X, etc.) |
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 |
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 |
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 |
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={"CO2"} | 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=Modelica.SIunits.Conversions.from_degC(20) | 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) |
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 |
Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.Medium