packageLiquidFuel_LPG
Simple LPG fuel for CHP-engine combustion
Extends from AixLib.DataBase.CHP.ModularCHPEngineMedia.CHPCombustionMixtureGasNasa (Medium model of a mixture of ideal gases based on NASA source).
Information
Gasoline model for natural gas type H.
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 |
| FluidConstants | fluidConstants (from PartialMixtureMedium) | Constant data for the fluid | |
| Modelica.Media.IdealGases.Common.DataRecord | data (from CHPCombustionMixtureGasNasa) | Data records of ideal gas substances | |
| Boolean | excludeEnthalpyOfFormation (from CHPCombustionMixtureGasNasa) | true | If true, enthalpy of formation Hf is not included in specific enthalpy h |
| ReferenceEnthalpy | referenceChoice (from CHPCombustionMixtureGasNasa) | ReferenceEnthalpy.ZeroAt0K | Choice of reference enthalpy |
| SpecificEnthalpy | h_offset (from CHPCombustionMixtureGasNasa) | 0.0 | User defined offset for reference enthalpy, if referenceChoice = UserDefined |
| MolarMass | MMX (from CHPCombustionMixtureGasNasa) | data[:].MM | Molar masses of components |
| Integer | methodForThermalConductivity (from CHPCombustionMixtureGasNasa) | 1 | |
| Boolean | isGas | Fuel.isGasoline | True = Gasoline fuel, False = Liquid fuel |
| MolarMass | MM | Fuel.MM_liq | Molar mass of the fuel |
| SpecificEnergy | H_U | Fuel.H_U | Calorific Value of the fuel gas |
| Real | l_min | L_st*MM/0.02885 | |
| Real | L_st | 4.31034*(2.664*Fuel.Xi_liq[1] + 7.937*Fuel.Xi_liq[2] - Fuel.Xi_liq[3]) | Stoichiometric air consumption |
| MoleFraction[:] | moleFractions_Gas | Fuel.Xi_mole | |
| Natural gas type | |||
| AixLib.DataBase.CHP.ModularCHPEngineMedia.CombustionEngineFuelDataBaseRecord | Fuel | LPGFuel() | Needed fuel data for combustion calculations |
Contents
| Name | Description |
|---|---|
 LPGFuel | Data record for simple LPG fuel |