Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater
EthyleneGlycolWater with publicly accessible medium functions
Information
Media implementation that extends Buildings.Media.Antifreeze in order to make its thermophysical property functions publicly accessible as needed for the validation model Buildings.Media.Antifreeze.Validation.BaseClasses.FluidProperties.
Extends from Buildings.Media.Antifreeze.EthyleneGlycolWater (Package with model for ethylene glycol - water with constant properties).
Package Content
| Name | Description | 
|---|---|
|  testDensity_TX_a | Evaluate density of antifreeze-water mixture | 
|  testDynamicViscosity_TX_a | Evaluate dynamic viscosity of antifreeze-water mixture | 
|  testFusionTemperature_TX_a | Evaluate temperature of fusion of antifreeze-water mixture | 
|  testSpecificHeatCapacityCp_TX_a | Evaluate specific heat capacity of antifreeze-water mixture | 
|  testThermalConductivity_TX_a | Evaluate thermal conductivity of antifreeze-water mixture | 
| Inherited | |
| property_T | Temperature for evaluation of constant fluid properties | 
| X_a | Mass fraction of propylene glycol in water | 
|  BaseProperties | Base properties | 
| X_a_min=0. | Minimum allowed mass fraction of ethylene glycol in water | 
| X_a_max=0.6 | Maximum allowed mass fraction of propylene glycol in water | 
| simpleEthyleneGlycolWaterConstants | |
| proCoe | Coefficients for evaluation of thermo-physical properties | 
|  density_TX_a | Evaluate density of antifreeze-water mixture | 
|  dynamicViscosity_TX_a | Evaluate dynamic viscosity of antifreeze-water mixture | 
|  fusionTemperature_TX_a | Evaluate temperature of fusion of antifreeze-water mixture | 
|  polynomialProperty | Evaluates thermophysical property from 2-variable polynomial | 
|  specificHeatCapacityCp_TX_a | Evaluate specific heat capacity of antifreeze-water mixture | 
|  thermalConductivity_TX_a | Evaluate thermal conductivity of antifreeze-water mixture | 
| cp_const=specificHeatCapacityCp_TX_a(T=property_T, X_a=X_a) | Constant specific heat capacity at constant pressure | 
| cv_const=cp_const | Constant specific heat capacity at constant volume | 
| d_const=density_TX_a(T=property_T, X_a=X_a) | Constant density | 
| eta_const=dynamicViscosity_TX_a(T=property_T, X_a=X_a) | Constant dynamic viscosity | 
| lambda_const=thermalConductivity_TX_a(T=property_T, X_a=X_a) | Constant thermal conductivity | 
| a_const=1484 | Constant velocity of sound | 
| T_min=fusionTemperature_TX_a(T=property_T, X_a=X_a) | Minimum temperature valid for medium model | 
| T_max=Modelica.SIunits.Conversions.from_degC(100) | Maximum temperature valid for medium model | 
| T0=273.15 | Zero enthalpy temperature | 
| MM_const=(X_a/simpleEthyleneGlycolWaterConstants[1].molarMass + (1 - X_a)/0.018015268)^(-1) | Molar mass | 
| fluidConstants=simpleEthyleneGlycolWaterConstants | Fluid constants | 
|  ThermodynamicState | Thermodynamic state | 
|  setState_pTX | Return thermodynamic state from p, T, and X or Xi | 
|  setState_phX | Return thermodynamic state from p, h, and X or Xi | 
|  setState_psX | Return thermodynamic state from p, s, and X or Xi | 
|  setState_dTX | Return thermodynamic state from d, T, and X or Xi | 
|  setSmoothState | Return thermodynamic state so that it smoothly approximates: if x > 0 then state_a else state_b | 
|  dynamicViscosity | Return dynamic viscosity | 
|  thermalConductivity | Return thermal conductivity | 
|  pressure | Return pressure | 
|  temperature | Return temperature | 
|  density | Return density | 
|  specificEnthalpy | Return specific enthalpy | 
|  specificHeatCapacityCp | Return specific heat capacity at constant pressure | 
|  specificHeatCapacityCv | Return specific heat capacity at constant volume | 
|  isentropicExponent | Return isentropic exponent | 
|  velocityOfSound | Return velocity of sound | 
|  specificEnthalpy_pTX | Return specific enthalpy from p, T, and X or Xi | 
|  temperature_phX | Return temperature from p, h, and X or Xi | 
|  density_phX | Return density from p, h, and X or Xi | 
|  specificInternalEnergy | Return specific internal energy | 
|  specificEntropy | Return specific entropy | 
|  specificGibbsEnergy | Return specific Gibbs energy | 
|  specificHelmholtzEnergy | Return specific Helmholtz energy | 
|  isentropicEnthalpy | Return isentropic enthalpy | 
|  isobaricExpansionCoefficient | Returns overall the isobaric expansion coefficient beta | 
|  isothermalCompressibility | Returns overall the isothermal compressibility factor | 
|  density_derp_T | Returns the partial derivative of density with respect to pressure at constant temperature | 
|  density_derT_p | Returns the partial derivative of density with respect to temperature at constant pressure | 
|  density_derX | Returns the partial derivative of density with respect to mass fractions at constant pressure and temperature | 
|  molarMass | Return the molar mass of the medium | 
|  setState_pT | Return thermodynamic state from p and T | 
|  setState_ph | Return thermodynamic state from p and h | 
|  setState_ps | Return thermodynamic state from p and s | 
|  setState_dT | Return thermodynamic state from d and T | 
|  density_ph | Return density from p and h | 
|  temperature_ph | Return temperature from p and h | 
|  pressure_dT | Return pressure from d and T | 
|  specificEnthalpy_dT | Return specific enthalpy from d and T | 
|  specificEnthalpy_ps | Return specific enthalpy from p and s | 
|  temperature_ps | Return temperature from p and s | 
|  density_ps | Return density from p and s | 
|  specificEnthalpy_pT | Return specific enthalpy from p and T | 
|  density_pT | Return density from p and T | 
| ThermoStates=Modelica.Media.Interfaces.Choices.IndependentVariables.pT | Enumeration type for independent variables | 
| mediumName="EthyleneGlycolWater(X_a = " + String(X_a) + ", property_T = " + String(property_T) + ")" | Name of the medium | 
| substanceNames={mediumName} | 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=true | = 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=true | = true if medium contains the equation X = reference_X | 
| reference_p=300000 | Reference pressure of Medium: default 1 atmosphere | 
| reference_T=273.15 | Reference temperature of Medium: default 25 deg Celsius | 
| reference_X={1} | Default mass fractions of medium | 
| p_default=300000 | 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) | 
| 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 | 
|  prandtlNumber | Return the Prandtl number | 
|  heatCapacity_cp | Alias for deprecated name | 
|  heatCapacity_cv | Alias for deprecated name | 
|  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 | 
|  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.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testDensity_TX_a
Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testDensity_TX_a
Evaluate density of antifreeze-water mixture
Information
Function that makes Buildings.Media.Antifreeze.EthyleneGlycolWater.density_TX_a publicly accessible as needed for the validation model Buildings.Media.Antifreeze.Validation.BaseClasses.FluidProperties.
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description | 
|---|---|---|---|
| Temperature | T | Temperature of antifreeze-water mixture [K] | |
| MassFraction | X_a | Mass fraction of antifreeze [1] | 
Outputs
| Type | Name | Description | 
|---|---|---|
| Density | d | Density of antifreeze-water mixture [kg/m3] | 
Modelica definition
 Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testDynamicViscosity_TX_a
Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testDynamicViscosity_TX_a
Evaluate dynamic viscosity of antifreeze-water mixture
Information
Function that makes Buildings.Media.Antifreeze.EthyleneGlycolWater.dynamicViscosity_TX_a publicly accessible as needed for the validation model Buildings.Media.Antifreeze.Validation.BaseClasses.FluidProperties.
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description | 
|---|---|---|---|
| Temperature | T | Temperature of antifreeze-water mixture [K] | |
| MassFraction | X_a | Mass fraction of antifreeze [1] | 
Outputs
| Type | Name | Description | 
|---|---|---|
| DynamicViscosity | eta | Dynamic Viscosity of antifreeze-water mixture [Pa.s] | 
Modelica definition
 Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testFusionTemperature_TX_a
Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testFusionTemperature_TX_a
Evaluate temperature of fusion of antifreeze-water mixture
Information
Function that makes Buildings.Media.Antifreeze.EthyleneGlycolWater.fusionTemperature_TX_a publicly accessible as needed for the validation model Buildings.Media.Antifreeze.Validation.BaseClasses.FluidProperties.
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description | 
|---|---|---|---|
| Temperature | T | Temperature of antifreeze-water mixture [K] | |
| MassFraction | X_a | Mass fraction of antifreeze [1] | 
Outputs
| Type | Name | Description | 
|---|---|---|
| Temperature | Tf | Temperature of fusion of antifreeze-water mixture [K] | 
Modelica definition
 Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testSpecificHeatCapacityCp_TX_a
Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testSpecificHeatCapacityCp_TX_a
Evaluate specific heat capacity of antifreeze-water mixture
Information
Function that makes Buildings.Media.Antifreeze.EthyleneGlycolWater.specificHeatCapacityCp_TX_a publicly accessible as needed for the validation model Buildings.Media.Antifreeze.Validation.BaseClasses.FluidProperties.
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description | 
|---|---|---|---|
| Temperature | T | Temperature of antifreeze-water mixture [K] | |
| MassFraction | X_a | Mass fraction of antifreeze [1] | 
Outputs
| Type | Name | Description | 
|---|---|---|
| SpecificHeatCapacity | cp | Specific heat capacity of antifreeze-water mixture [J/(kg.K)] | 
Modelica definition
 Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testThermalConductivity_TX_a
Buildings.Media.Antifreeze.Validation.BaseClasses.EthyleneGlycolWater.testThermalConductivity_TX_a
Evaluate thermal conductivity of antifreeze-water mixture
Information
Function that makes Buildings.Media.Antifreeze.EthyleneGlycolWater.thermalConductivity_TX_a publicly accessible as needed for the validation model Buildings.Media.Antifreeze.Validation.BaseClasses.FluidProperties.
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description | 
|---|---|---|---|
| Temperature | T | Temperature of antifreeze-water mixture [K] | |
| MassFraction | X_a | Mass fraction of antifreeze [1] | 
Outputs
| Type | Name | Description | 
|---|---|---|
| ThermalConductivity | lambda | Thermal conductivity of antifreeze-water mixture [W/(m.K)] | 
