packagePartialTwoPhaseMedium
Base class for two phase medium of one substance
Extends from PartialPureSubstance (Base class for pure substances of one chemical substance).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Media.Interfaces.Choices.IndependentVariables | ThermoStates (from PartialMedium) | Enumeration type for independent variables | |
| String | mediumName (from PartialMedium) | "unusablePartialMedium" | Name of the medium |
| String[:] | substanceNames (from PartialMedium) | {mediumName} | Names of the mixture substances. Set substanceNames={mediumName} if only one substance. |
| String[:] | extraPropertiesNames (from PartialMedium) | fill("", 0) | Names of the additional (extra) transported properties. Set extraPropertiesNames=fill("",0) if unused |
| Boolean | singleState (from PartialMedium) | = true, if u and d are not a function of pressure | |
| Boolean | reducedX (from PartialMedium) | true | = true, if medium contains the equation sum(X) = 1.0; set reducedX=true, if only one substance (see docu for details) |
| Boolean | fixedX (from PartialMedium) | false | = true, if medium contains the equation X = reference_X |
| AbsolutePressure | reference_p (from PartialMedium) | 101325 | Reference pressure of Medium: default 1 atmosphere |
| Temperature | reference_T (from PartialMedium) | 298.15 | Reference temperature of Medium: default 25 deg Celsius |
| MassFraction[nX] | reference_X (from PartialMedium) | fill(1/nX, nX) | Default mass fractions of medium |
| AbsolutePressure | p_default (from PartialMedium) | 101325 | Default value for pressure of medium (for initialization) |
| Temperature | T_default (from PartialMedium) | Modelica.Units.Conversions.from_degC(20) | Default value for temperature of medium (for initialization) |
| SpecificEnthalpy | h_default (from PartialMedium) | specificEnthalpy_pTX(p_default, T_default, X_default) | Default value for specific enthalpy of medium (for initialization) |
| MassFraction[nX] | X_default (from PartialMedium) | reference_X | Default value for mass fractions of medium (for initialization) |
| ExtraProperty[nC] | C_default (from PartialMedium) | fill(0, nC) | Default value for trace substances of medium (for initialization) |
| Integer | nS (from PartialMedium) | size(substanceNames, 1) | Number of substances |
| Integer | nX (from PartialMedium) | nS | Number of mass fractions |
| Integer | nXi (from PartialMedium) | if fixedX then 0 else if reducedX then nS - 1 else nS | Number of structurally independent mass fractions (see docu for details) |
| Integer | nC (from PartialMedium) | size(extraPropertiesNames, 1) | Number of extra (outside of standard mass-balance) transported properties |
| Real[nC] | C_nominal (from PartialMedium) | 1.0e-6*ones(nC) | Default for the nominal values for the extra properties |
| Boolean | smoothModel | false | = true, if the (derived) model should not generate state events |
| Boolean | onePhase | false | = true, if the (derived) model should never be called with two-phase inputs |
| FluidConstants | fluidConstants | Constant data for the fluid |
Contents
| Name | Description |
|---|---|
 ThermodynamicState | Thermodynamic state of two phase medium |
 BaseProperties | Base properties (p, d, T, h, u, R_s, MM, sat) of two phase medium |
 setDewState | Return the thermodynamic state on the dew line |
 setBubbleState | Return the thermodynamic state on the bubble line |
 setState_dTX | Return thermodynamic state as function of d, T and composition X or Xi |
 setState_phX | Return thermodynamic state as function of p, h and composition X or Xi |
 setState_psX | Return thermodynamic state as function of p, s and composition X or Xi |
 setState_pTX | Return thermodynamic state as function of p, T and composition X or Xi |
 setSat_T | Return saturation property record from temperature |
 setSat_p | Return saturation property record from pressure |
 bubbleEnthalpy | Return bubble point specific enthalpy |
 dewEnthalpy | Return dew point specific enthalpy |
 bubbleEntropy | Return bubble point specific entropy |
 dewEntropy | Return dew point specific entropy |
 bubbleDensity | Return bubble point density |
 dewDensity | Return dew point density |
 saturationPressure | Return saturation pressure |
 saturationTemperature | Return saturation temperature |
 saturationPressure_sat | Return saturation pressure |
 saturationTemperature_sat | Return saturation temperature |
 saturationTemperature_derp | Return derivative of saturation temperature w.r.t. pressure |
 saturationTemperature_derp_sat | Return derivative of saturation temperature w.r.t. pressure |
 surfaceTension | Return surface tension sigma in the two phase region |
 molarMass | Return the molar mass of the medium |
 dBubbleDensity_dPressure | Return bubble point density derivative |
 dDewDensity_dPressure | Return dew point density derivative |
 dBubbleEnthalpy_dPressure | Return bubble point specific enthalpy derivative |
 dDewEnthalpy_dPressure | Return dew point specific enthalpy derivative |
 specificEnthalpy_pTX | Return specific enthalpy from pressure, temperature and mass fraction |
 temperature_phX | Return temperature from p, h, 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 |
 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 |
 setState_px | Return thermodynamic state from pressure and vapour quality |
 setState_Tx | Return thermodynamic state from temperature and vapour quality |
 vapourQuality | Return vapour quality |
 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 |