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Media.mo
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within ModelicaTest;
package Media "Test models for Modelica.Media"
extends Modelica.Icons.ExamplesPackage;
package TestAllProperties
extends Modelica.Icons.ExamplesPackage;
model PartialMediumFunctions
replaceable package Medium = Modelica.Media.Interfaces.PartialMedium
"Medium model";
parameter Real eps_h_is=1e-10;
Medium.ThermodynamicState state=Medium.setState_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.DynamicViscosity eta=Medium.dynamicViscosity(state);
Medium.ThermalConductivity lambda=Medium.thermalConductivity(state);
Medium.PrandtlNumber Pr=Medium.prandtlNumber(state);
Medium.AbsolutePressure p=Medium.pressure(state);
Medium.Temperature T=Medium.temperature(state);
Medium.Density d=Medium.density(state);
Medium.SpecificEnthalpy h=Medium.specificEnthalpy(state);
Medium.SpecificEnergy u=Medium.specificInternalEnergy(state);
Medium.SpecificEntropy s=Medium.specificEntropy(state);
Medium.SpecificEnergy g=Medium.specificGibbsEnergy(state);
Medium.SpecificEnergy f=Medium.specificHelmholtzEnergy(state);
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(state);
Medium.SpecificHeatCapacity cp2=Medium.heatCapacity_cp(state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(state);
Medium.SpecificHeatCapacity cv2=Medium.heatCapacity_cv(state);
Medium.SpecificEnthalpy h_is=Medium.isentropicEnthalpy(2*Medium.reference_p,
state);
Medium.VelocityOfSound a=Medium.velocityOfSound(state);
Medium.IsobaricExpansionCoefficient beta=
Medium.isobaricExpansionCoefficient(state);
Medium.IsobaricExpansionCoefficient beta2=Medium.beta(state);
SI.IsothermalCompressibility kappa=Medium.isothermalCompressibility(state);
SI.IsothermalCompressibility kappa2=Medium.kappa(state);
Medium.DerDensityByPressure ddpT=Medium.density_derp_T(state);
Medium.DerDensityByTemperature ddTp=Medium.density_derT_p(state);
Medium.Density dddX[Medium.nX]=Medium.density_derX(state);
Medium.MolarMass MM=Medium.molarMass(state);
Medium.SpecificEnthalpy h2=Medium.specificEnthalpy_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.Density d2=Medium.density_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.ThermodynamicState state2=Medium.setState_phX(
Medium.reference_p,
h,
Medium.reference_X);
Medium.ThermodynamicState state3=Medium.setState_psX(
Medium.reference_p,
s,
Medium.reference_X);
Medium.ThermodynamicState state4=if Medium.singleState then state else
Medium.setState_dTX(
d,
T,
Medium.reference_X);
Medium.ThermodynamicState state5=Medium.setSmoothState(
0.1,
state,
state2,
0.001);
Medium.BaseProperties medium(
preferredMediumStates=true,
p(start=Medium.reference_p),
T(start=Medium.reference_T),
X(start=Medium.reference_X));
Real err_T=abs(medium.T - T);
Real err_d=abs(medium.d - d);
Real err_u=abs(medium.u - u);
// check isentropicEnthalpy
Medium.ThermodynamicState state_h_is=Medium.setState_phX(
2*Medium.reference_p,
h_is,
Medium.reference_X);
Medium.SpecificEntropy s_is=Medium.specificEntropy(state_h_is);
Real err_h_is=abs(s - s_is);
constant Real eps=1e-10;
constant Real t_min = 1e-6;
equation
medium.p = p;
medium.h = h;
medium.Xi = Medium.reference_X[1:Medium.nXi];
// When iterating at the initial time the asserts below could be violated.
// To avoid an error, the check is only performed shortly after initialization.
if time >= t_min then
assert(err_T <= eps, "Error: abs(medium.T - T) > eps " + "(err_T = "
+ String(err_T) + ", eps = " + String(eps) + ")");
end if;
if time >= t_min then
assert(err_d <= eps, "Error: abs(medium.d - d) > eps " + "(err_d = " +
String(err_d) + ", eps = " + String(eps) + ")");
end if;
if time >= t_min then
assert(err_u <= eps, "Error: abs(medium.u - u) > eps " + "(err_u = " +
String(err_u) + ", eps = " + String(eps) + ")");
end if;
if time >= t_min then
assert(err_h_is <= eps_h_is,
"Error: entropy not constant for isentropicEnthalpy " + "(err_h_is = "
+ String(err_h_is) + ", eps = " + String(eps_h_is) + ")");
end if;
end PartialMediumFunctions;
model DryAirNasa
extends Modelica.Icons.Example;
extends PartialMediumFunctions(redeclare package Medium =
Modelica.Media.Air.DryAirNasa, eps_h_is=0.1);
annotation (experiment(StopTime=0.1));
end DryAirNasa;
model LinearColdWater
extends Modelica.Icons.Example;
extends PartialMediumFunctions(redeclare package Medium =
Modelica.Media.CompressibleLiquids.LinearColdWater);
annotation (experiment(StopTime=0.1));
end LinearColdWater;
model LinearWater_pT_Ambient
extends Modelica.Icons.Example;
extends PartialMediumFunctions(redeclare package Medium =
Modelica.Media.CompressibleLiquids.LinearWater_pT_Ambient);
annotation (experiment(StopTime=0.1));
end LinearWater_pT_Ambient;
model CO2
extends Modelica.Icons.Example;
extends PartialMediumFunctions(redeclare package Medium =
Modelica.Media.IdealGases.SingleGases.CO2, eps_h_is=0.2);
annotation (experiment(StopTime=0.1));
end CO2;
model FlueGasSixComponents
"A copy of PartialMediumFunctions, but isentropicEnthalpy gets the additional argument exact=true"
extends Modelica.Icons.Example;
package Medium =
Modelica.Media.IdealGases.MixtureGases.FlueGasSixComponents
"Medium model";
parameter Real eps_h_is=1e-10;
Medium.ThermodynamicState state=Medium.setState_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.DynamicViscosity eta=Medium.dynamicViscosity(state);
Medium.ThermalConductivity lambda=Medium.thermalConductivity(state);
Medium.PrandtlNumber Pr=Medium.prandtlNumber(state);
Medium.AbsolutePressure p=Medium.pressure(state);
Medium.Temperature T=Medium.temperature(state);
Medium.Density d=Medium.density(state);
Medium.SpecificEnthalpy h=Medium.specificEnthalpy(state);
Medium.SpecificEnergy u=Medium.specificInternalEnergy(state);
Medium.SpecificEntropy s=Medium.specificEntropy(state);
Medium.SpecificEnergy g=Medium.specificGibbsEnergy(state);
Medium.SpecificEnergy f=Medium.specificHelmholtzEnergy(state);
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(state);
Medium.SpecificHeatCapacity cp2=Medium.heatCapacity_cp(state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(state);
Medium.SpecificHeatCapacity cv2=Medium.heatCapacity_cv(state);
Medium.SpecificEnthalpy h_is=Medium.isentropicEnthalpy(
2*Medium.reference_p,
state,
exact=true);
Medium.VelocityOfSound a=Medium.velocityOfSound(state);
Medium.IsobaricExpansionCoefficient beta=
Medium.isobaricExpansionCoefficient(state);
Medium.IsobaricExpansionCoefficient beta2=Medium.beta(state);
SI.IsothermalCompressibility kappa=Medium.isothermalCompressibility(state);
SI.IsothermalCompressibility kappa2=Medium.kappa(state);
Medium.DerDensityByPressure ddpT=Medium.density_derp_T(state);
Medium.DerDensityByTemperature ddTp=Medium.density_derT_p(state);
Medium.Density dddX[Medium.nX]=Medium.density_derX(state);
Medium.MolarMass MM=Medium.molarMass(state);
Medium.SpecificEnthalpy h2=Medium.specificEnthalpy_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.Density d2=Medium.density_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.ThermodynamicState state2=Medium.setState_phX(
Medium.reference_p,
h,
Medium.reference_X);
Medium.ThermodynamicState state3=Medium.setState_psX(
Medium.reference_p,
s,
Medium.reference_X);
Medium.ThermodynamicState state4=if Medium.singleState then state else
Medium.setState_dTX(
d,
T,
Medium.reference_X);
Medium.ThermodynamicState state5=Medium.setSmoothState(
0.1,
state,
state2,
0.001);
Medium.BaseProperties medium(
preferredMediumStates=true,
p(start=Medium.reference_p),
T(start=Medium.reference_T),
X(start=Medium.reference_X));
Real err_T=abs(medium.T - T);
Real err_d=abs(medium.d - d);
Real err_u=abs(medium.u - u);
// check isentropicEnthalpy
Medium.ThermodynamicState state_h_is=Medium.setState_phX(
2*Medium.reference_p,
h_is,
Medium.reference_X);
Medium.SpecificEntropy s_is=Medium.specificEntropy(state_h_is);
Real err_h_is=abs(s - s_is);
constant Real eps=1e-9;
constant Real t_min = 1e-6;
equation
medium.p = p;
medium.h = h;
medium.Xi = Medium.reference_X[1:Medium.nXi];
// When iterating at the initial time the asserts below could be violated.
// To avoid an error, the check is only performed shortly after initialization.
if time >= t_min then
assert(err_T <= eps, "Error: abs(medium.T - T) > eps " + "(err_T = "
+ String(err_T) + ", eps = " + String(eps) + ")");
end if;
if time >= t_min then
assert(err_d <= eps, "Error: abs(medium.d - d) > eps " + "(err_d = " +
String(err_d) + ", eps = " + String(eps) + ")");
end if;
if time >= t_min then
assert(err_u <= eps, "Error: abs(medium.u - u) > eps " + "(err_u = " +
String(err_u) + ", eps = " + String(eps) + ")");
end if;
if time >= t_min then
assert(err_h_is <= eps_h_is,
"Error: entropy not constant for isentropicEnthalpy " + "(err_h_is = "
+ String(err_h_is) + ", eps = " + String(eps_h_is) + ")");
end if;
annotation (experiment(StopTime=1.01));
end FlueGasSixComponents;
model ConstantPropertyLiquidWater
extends Modelica.Icons.Example;
extends PartialMediumFunctions(redeclare package Medium =
Modelica.Media.Water.ConstantPropertyLiquidWater);
annotation (experiment(StopTime=0.1));
end ConstantPropertyLiquidWater;
model SimpleAir
extends Modelica.Icons.Example;
extends PartialMediumFunctions(redeclare package Medium =
Modelica.Media.Air.SimpleAir);
annotation (experiment(StopTime=0.1));
end SimpleAir;
model MoistAir
extends Modelica.Icons.Example;
extends PartialMediumFunctions(redeclare package Medium =
Modelica.Media.Air.MoistAir);
annotation (experiment(StopTime=0.1));
end MoistAir;
package IncompleteMedia
"Media that do not yet support the full PartialMedium interface"
extends Modelica.Icons.ExamplesPackage;
model PartialMediumFunctionsForIncompressible
replaceable package Medium = Modelica.Media.Interfaces.PartialMedium
"Medium model";
parameter Real eps_h_is=1e-10;
Medium.ThermodynamicState state=Medium.setState_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.DynamicViscosity eta=Medium.dynamicViscosity(state);
Medium.ThermalConductivity lambda=Medium.thermalConductivity(state);
Medium.PrandtlNumber Pr=Medium.prandtlNumber(state);
Medium.AbsolutePressure p=Medium.pressure(state);
Medium.Temperature T=Medium.temperature(state);
Medium.Density d=Medium.density(state);
Medium.SpecificEnthalpy h=Medium.specificEnthalpy(state);
Medium.SpecificEnergy u=Medium.specificInternalEnergy(state);
Medium.SpecificEntropy s=Medium.specificEntropy(state);
//Medium.SpecificEnergy g=Medium.specificGibbsEnergy(state);
//Medium.SpecificEnergy f=Medium.specificHelmholtzEnergy(state);
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(state);
Medium.SpecificHeatCapacity cp2=Medium.heatCapacity_cp(state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(state);
Medium.SpecificHeatCapacity cv2=Medium.heatCapacity_cv(state);
//Medium.SpecificEnthalpy h_is=Medium.isentropicEnthalpy(2*Medium.reference_p,state);
//Medium.VelocityOfSound a=Medium.velocityOfSound(state);
//Medium.IsobaricExpansionCoefficient beta=Medium.isobaricExpansionCoefficient(state);
//Medium.IsobaricExpansionCoefficient beta2=Medium.beta(state);
//SI.IsothermalCompressibility kappa=Medium.isothermalCompressibility(state);
//SI.IsothermalCompressibility kappa2=Medium.kappa(state);
//Medium.DerDensityByPressure ddpT=Medium.density_derp_T(state);
//Medium.DerDensityByTemperature ddTp=Medium.density_derT_p(state);
//Medium.Density dddX[Medium.nX]=Medium.density_derX(state);
//Medium.MolarMass MM=Medium.molarMass(state);
Medium.SpecificEnthalpy h2=Medium.specificEnthalpy_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.Density d2=Medium.density_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.ThermodynamicState state2=Medium.setState_phX(
Medium.reference_p,
h,
Medium.reference_X);
Medium.ThermodynamicState state3=Medium.setState_psX(
Medium.reference_p,
s,
Medium.reference_X);
Medium.ThermodynamicState state4=if Medium.singleState then state else
Medium.setState_dTX(
d,
T,
Medium.reference_X);
Medium.ThermodynamicState state5=Medium.setSmoothState(
0.1,
state,
state2,
0.001);
Medium.BaseProperties medium(
preferredMediumStates=true,
p(start=Medium.reference_p),
T(start=Medium.reference_T),
X(start=Medium.reference_X));
Real err_T=abs(medium.T - T);
Real err_d=abs(medium.d - d);
Real err_u=abs(medium.u - u);
// check isentropicEnthalpy
/*
Medium.ThermodynamicState state_h_is=Medium.setState_phX(
2*Medium.reference_p,
h_is,
Medium.reference_X);
Medium.SpecificEntropy s_is=Medium.specificEntropy(state_h_is);
Real err_h_is=abs(s - s_is);
*/
constant Real eps=1e-10;
equation
medium.p = p;
medium.h = h;
medium.Xi = Medium.reference_X[1:Medium.nXi];
// When iterating at the initial time the asserts below could be violated.
// To avoid an error, the check is only performed at the end of the simulation.
when terminal() then
assert(err_T <= eps, "Error: abs(medium.T - T) > eps\n" + "(err_T = "
+ String(err_T) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_d <= eps, "Error: abs(medium.d - d) > eps" + "(err_d = " +
String(err_d) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_u <= eps, "Error: abs(medium.u - u) > eps" + "(err_u = " +
String(err_u) + ", eps = " + String(eps) + ")");
end when;
// when terminal() then
/*
assert(err_h_is <= eps_h_is,
"Error: entropy not constant for isentropicEnthalpy" + "(err_h_is = "
+ String(err_h_is) + ", eps = " + String(eps_h_is) + ")");
*/
// end when;
end PartialMediumFunctionsForIncompressible;
model PartialMediumFunctionsForTwoPhase
replaceable package Medium = Modelica.Media.Interfaces.PartialMedium
"Medium model";
parameter Real eps_h_is=1e-10;
parameter Real eps=1e-10;
Medium.ThermodynamicState state=Medium.setState_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.DynamicViscosity eta=Medium.dynamicViscosity(state);
Medium.ThermalConductivity lambda=Medium.thermalConductivity(state);
Medium.PrandtlNumber Pr=Medium.prandtlNumber(state);
Medium.AbsolutePressure p=Medium.pressure(state);
Medium.Temperature T=Medium.temperature(state);
Medium.Density d=Medium.density(state);
Medium.SpecificEnthalpy h=Medium.specificEnthalpy(state);
Medium.SpecificEnergy u=Medium.specificInternalEnergy(state);
Medium.SpecificEntropy s=Medium.specificEntropy(state);
Medium.SpecificEnergy g=Medium.specificGibbsEnergy(state);
Medium.SpecificEnergy f=Medium.specificHelmholtzEnergy(state);
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(state);
Medium.SpecificHeatCapacity cp2=Medium.heatCapacity_cp(state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(state);
Medium.SpecificHeatCapacity cv2=Medium.heatCapacity_cv(state);
Medium.SpecificEnthalpy h_is=Medium.isentropicEnthalpy(2*Medium.reference_p,
state);
Medium.VelocityOfSound a=Medium.velocityOfSound(state);
Medium.IsobaricExpansionCoefficient beta=
Medium.isobaricExpansionCoefficient(state);
Medium.IsobaricExpansionCoefficient beta2=Medium.beta(state);
SI.IsothermalCompressibility kappa=Medium.isothermalCompressibility(state);
SI.IsothermalCompressibility kappa2=Medium.kappa(state);
//Medium.DerDensityByPressure ddpT=Medium.density_derp_T(state);
//Medium.DerDensityByTemperature ddTp=Medium.density_derT_p(state);
//Medium.Density dddX[Medium.nX]=Medium.density_derX(state);
Medium.MolarMass MM=Medium.molarMass(state);
Medium.SpecificEnthalpy h2=Medium.specificEnthalpy_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.Density d2=Medium.density_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.ThermodynamicState state2=Medium.setState_phX(
Medium.reference_p,
h,
Medium.reference_X);
Medium.ThermodynamicState state3=Medium.setState_psX(
Medium.reference_p,
s,
Medium.reference_X);
Medium.ThermodynamicState state4=if Medium.singleState then state else
Medium.setState_dTX(
d,
T,
Medium.reference_X);
Medium.ThermodynamicState state5=Medium.setSmoothState(
0.1,
state,
state2,
0.001);
Medium.BaseProperties medium(
preferredMediumStates=true,
p(start=Medium.reference_p),
T(start=Medium.reference_T),
X(start=Medium.reference_X));
Real err_T=abs(medium.T - T)/medium.T;
Real err_d=abs(medium.d - d)/medium.d;
Real err_u=abs(medium.u - u)/medium.u;
// check isentropicEnthalpy
Medium.ThermodynamicState state_h_is=Medium.setState_phX(
2*Medium.reference_p,
h_is,
Medium.reference_X);
Medium.SpecificEntropy s_is=Medium.specificEntropy(state_h_is);
Real err_h_is=abs(s - s_is)/s;
equation
medium.p = p;
medium.h = h;
medium.Xi = Medium.reference_X[1:Medium.nXi];
// When iterating at the initial time the asserts below could be violated.
// To avoid an error, the check is only performed at the end of the simulation.
when terminal() then
assert(err_T <= eps, "Error: abs(medium.T - T)/medium.T > eps\n" + "(err_T = "
+ String(err_T) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_d <= eps, "Error: abs(medium.d - d)/medium.d > eps" + "(err_d = " +
String(err_d) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_u <= eps, "Error: abs(medium.u - u)/medium.u > eps" + "(err_u = " +
String(err_u) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_h_is <= eps_h_is,
"Error: entropy not constant for isentropicEnthalpy" + "(err_h_is = |s-s_is|/s = "
+ String(err_h_is) + ", eps = " + String(eps_h_is) + ", s = " + String(s)
+ ")");
end when;
end PartialMediumFunctionsForTwoPhase;
model PartialMediumFunctionsForRealCondensingGases
replaceable package Medium = Modelica.Media.Interfaces.PartialMedium
"Medium model";
parameter Real eps_h_is=1e-10;
parameter Real eps=1e-10;
Medium.ThermodynamicState state=Medium.setState_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.DynamicViscosity eta=Medium.dynamicViscosity(state);
Medium.ThermalConductivity lambda=Medium.thermalConductivity(state);
Medium.PrandtlNumber Pr=Medium.prandtlNumber(state);
Medium.AbsolutePressure p=Medium.pressure(state);
Medium.Temperature T=Medium.temperature(state);
Medium.Density d=Medium.density(state);
Medium.SpecificEnthalpy h=Medium.specificEnthalpy(state);
Medium.SpecificEnergy u=Medium.specificInternalEnergy(state);
Medium.SpecificEntropy s=Medium.specificEntropy(state);
Medium.SpecificEnergy g=Medium.specificGibbsEnergy(state);
Medium.SpecificEnergy f=Medium.specificHelmholtzEnergy(state);
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(state);
Medium.SpecificHeatCapacity cp2=Medium.heatCapacity_cp(state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(state);
Medium.SpecificHeatCapacity cv2=Medium.heatCapacity_cv(state);
Medium.SpecificEnthalpy h_is=Medium.isentropicEnthalpy(2*Medium.reference_p,state);
Medium.VelocityOfSound a=Medium.velocityOfSound(state);
//Medium.IsobaricExpansionCoefficient beta=Medium.isobaricExpansionCoefficient(state);
//Medium.IsobaricExpansionCoefficient beta2=Medium.beta(state);
//SI.IsothermalCompressibility kappa=Medium.isothermalCompressibility(state);
//SI.IsothermalCompressibility kappa2=Medium.kappa(state);
//Medium.DerDensityByPressure ddpT=Medium.density_derp_T(state);
//Medium.DerDensityByTemperature ddTp=Medium.density_derT_p(state);
//Medium.Density dddX[Medium.nX]=Medium.density_derX(state);
Medium.MolarMass MM=Medium.molarMass(state);
Medium.SpecificEnthalpy h2=Medium.specificEnthalpy_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.Density d2=Medium.density_pTX(
Medium.reference_p,
Medium.reference_T,
Medium.reference_X);
Medium.ThermodynamicState state2=Medium.setState_phX(
Medium.reference_p,
h,
Medium.reference_X);
Medium.ThermodynamicState state3=Medium.setState_psX(
Medium.reference_p,
s,
Medium.reference_X);
Medium.ThermodynamicState state4=if Medium.singleState then state else
Medium.setState_dTX(
d,
T,
Medium.reference_X);
Medium.ThermodynamicState state5=Medium.setSmoothState(
0.1,
state,
state2,
0.001);
Medium.BaseProperties medium(
preferredMediumStates=true,
p(start=Medium.reference_p),
T(start=Medium.reference_T),
X(start=Medium.reference_X));
Real err_T=abs(medium.T - T)/medium.T;
Real err_d=abs(medium.d - d)/medium.d;
Real err_u=abs(medium.u - u)/medium.u;
// check isentropicEnthalpy
Medium.ThermodynamicState state_h_is=Medium.setState_phX(
2*Medium.reference_p,
h_is,
Medium.reference_X);
Medium.SpecificEntropy s_is=Medium.specificEntropy(state_h_is);
Real err_h_is=abs(s - s_is)/s;
equation
medium.p = p;
medium.h = h;
medium.Xi = Medium.reference_X[1:Medium.nXi];
// When iterating at the initial time the asserts below could be violated.
// To avoid an error, the check is only performed at the end of the simulation.
when terminal() then
assert(err_T <= eps, "Error: abs(medium.T - T)/medium.T > eps\n" + "(err_T = "
+ String(err_T) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_d <= eps, "Error: abs(medium.d - d)/medium.d > eps" + "(err_d = " +
String(err_d) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_u <= eps, "Error: abs(medium.u - u)/medium.u > eps" + "(err_u = " +
String(err_u) + ", eps = " + String(eps) + ")");
end when;
when terminal() then
assert(err_h_is <= eps_h_is,
"Error: entropy not constant for isentropicEnthalpy" + "(err_h_is = |s-s_is|/s = "
+ String(err_h_is) + ", eps = " + String(eps_h_is) + ", s = " + String(s)
+ ")");
end when;
end PartialMediumFunctionsForRealCondensingGases;
model Glycol47
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForIncompressible(
redeclare package Medium =
Modelica.Media.Incompressible.Examples.Glycol47);
annotation (experiment(StopTime=0.1));
end Glycol47;
model Essotherm650
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForIncompressible(
redeclare package Medium =
Modelica.Media.Incompressible.Examples.Essotherm650);
annotation (experiment(StopTime=0.1));
end Essotherm650;
model WaterIF97_pT
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForTwoPhase(redeclare package Medium =
Modelica.Media.Water.WaterIF97_pT, eps_h_is=0.001);
annotation (experiment(StopTime=0.1));
end WaterIF97_pT;
model WaterIF97_ph
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForTwoPhase(redeclare package Medium =
Modelica.Media.Water.WaterIF97_ph, eps_h_is=0.001, eps=0.001);
annotation (experiment(StopTime=0.1));
end WaterIF97_ph;
model ReferenceAir_ph
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForTwoPhase(redeclare package Medium =
Modelica.Media.Air.ReferenceAir.Air_ph);
annotation (experiment(StopTime=0.1));
end ReferenceAir_ph;
model ReferenceAir_pT
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForTwoPhase(redeclare package Medium =
Modelica.Media.Air.ReferenceAir.Air_pT);
annotation (experiment(StopTime=0.1));
end ReferenceAir_pT;
model ReferenceAir_dT
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForTwoPhase(redeclare package Medium =
Modelica.Media.Air.ReferenceAir.Air_dT);
annotation (experiment(StopTime=0.1));
end ReferenceAir_dT;
model ReferenceMoistAir
extends Modelica.Icons.Example;
extends PartialMediumFunctionsForRealCondensingGases(redeclare package
Medium =
Modelica.Media.Air.ReferenceMoistAir);
annotation (experiment(StopTime=0.1));
end ReferenceMoistAir;
end IncompleteMedia;
end TestAllProperties;
package TestOnly "Examples for testing purposes "
extends Modelica.Icons.ExamplesPackage;
model MixIdealGasAir "Ideal gas air medium model"
extends Modelica.Icons.Example;
package Medium = Modelica.Media.IdealGases.MixtureGases.CombustionAir
"Medium model";
Medium.BaseProperties medium(
T(start=200.0,fixed=true),
X(start={0.2,0.8}),
p(start=1.0e5,fixed=true));
Medium.BaseProperties medium2(
T(start=300.0,fixed=true),
X(start={0.2,0.8},each fixed=true),
p(start=2.0e5,fixed=true));
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(medium.state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(medium.state);
Medium.IsentropicExponent gamma=Medium.isentropicExponent(medium.state);
Medium.SpecificEntropy s=Medium.specificEntropy(medium.state);
Medium.SpecificEntropy s2=Medium.specificEntropy(medium2.state);
Medium.VelocityOfSound a=Medium.velocityOfSound(medium.state);
Medium.DynamicViscosity eta=Medium.dynamicViscosity(medium.state);
Medium.ThermalConductivity lambda=Medium.thermalConductivity(medium.state);
Real beta=Medium.isobaricExpansionCoefficient(medium.state);
Real gamma2=Medium.isothermalCompressibility(medium2.state);
Medium.SpecificEnthalpy h_is=Medium.isentropicEnthalpyApproximation(2.0e5,
medium.state);
equation
der(medium.p) = 1000.0;
der(medium.T) = 1000;
medium.X = {0.2,0.8};
der(medium2.p) = 1.0e3;
der(medium2.T) = 0.0;
der(medium2.X) = {0.0,0.0};
// s2 = s;
annotation (Documentation(info="<html>
<p>An example for using ideal gas properties and how to compute isentropic enthalpy changes.
The function that is implemented is approximate, but usually very good: the second medium record medium2
is given to compare the approximation.
</p>
</html>"),experiment(StopTime=1));
end MixIdealGasAir;
model FlueGas "Ideal gas flue gas model"
extends Modelica.Icons.Example;
package Medium =
Modelica.Media.IdealGases.MixtureGases.FlueGasLambdaOnePlus
"Medium model";
Medium.ThermodynamicState state(
T(start=200.0,fixed=true),
X(start={0.2,0.3,0.4,0.1}),
p(start=1.0e5,fixed=true));
Medium.BaseProperties medium2(
T(start=300.0,fixed=true),
X(start={0.2,0.1,0.3,0.4},each fixed=true),
p(start=2.0e5,fixed=true));
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(state);
Medium.IsentropicExponent gamma=Medium.isentropicExponent(state);
Medium.SpecificEntropy s=Medium.specificEntropy(state);
Medium.SpecificEntropy s2=Medium.specificEntropy(medium2.state);
Medium.VelocityOfSound a=Medium.velocityOfSound(state);
Real beta=Medium.isobaricExpansionCoefficient(state);
Real gamma2=Medium.isothermalCompressibility(medium2.state);
Medium.SpecificEnthalpy h_is=Medium.isentropicEnthalpyApproximation(2.0e5,
medium2.state);
parameter Medium.MolarMass[4] MMx=Medium.data.MM
"Molar masses of flue gas";
Medium.MolarMass MM=1/sum(state.X[j]/MMx[j] for j in 1:4) "molar mass";
Real[4] dddX=Medium.density_derX(medium2.state);
equation
der(state.p) = 1000.0;
der(state.T) = 1000;
state.X = {0.2,0.2,0.4,0.2};
der(medium2.p) = 1.0e3;
der(medium2.T) = 0.0;
der(medium2.X[1:Medium.nX]) = {0.0,0.0,0.0,0.0};
annotation (Documentation(info="<html>
<p>An example for using ideal gas properties and how to compute isentropic enthalpy changes.
The function that is implemented is approximate, but usually very good: the second medium record medium2
is given to compare the approximation.
</p>
</html>"),experiment(StopTime=1));
end FlueGas;
package N2AsMix "Mixture gas IdealGas.SingleMedia.N2 medium model"
extends Modelica.Media.IdealGases.Common.MixtureGasNasa(
mediumName="Nitrogen",
data={Modelica.Media.IdealGases.Common.SingleGasesData.N2},
fluidConstants={Modelica.Media.IdealGases.Common.FluidData.N2},
substanceNames={"Nitrogen"},
reference_X={1.0});
annotation (Documentation(info="<html>
</html>"));
end N2AsMix;
model IdealGasN2 "Test IdealGas.SingleMedia.N2 medium model"
extends Modelica.Icons.Example;
parameter SI.Volume V=1 "Size of fixed volume";
parameter Medium.MassFlowRate m_flow_ext=0.01
"Mass flow rate into volume";
parameter Medium.EnthalpyFlowRate H_flow_ext=5000
"Enthalpy flow rate into volume";
package Medium = Modelica.Media.IdealGases.SingleGases.N2 "Medium model";
// initType=Medium.Choices.Init.SteadyState,
Medium.BaseProperties medium(
preferredMediumStates=true,
p(start=1.e5, fixed=true),
T(start=300, fixed=true));
Real m(quantity=Medium.mediumName, start=1.0);
SI.InternalEnergy U;
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(medium.state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(medium.state);
Medium.IsentropicExponent gamma=Medium.isentropicExponent(medium.state);
Medium.SpecificEntropy s=Medium.specificEntropy(medium.state);
Medium.VelocityOfSound a=Medium.velocityOfSound(medium.state);
equation
m = medium.d*V;
U = m*medium.u;
// Mass balance
der(m) = m_flow_ext;
// Energy balance
der(U) = H_flow_ext;
annotation (Documentation(info="<html>
</html>"),experiment(StopTime=1));
end IdealGasN2;
// package TestMedia "Test interfaces of media"
// extends Modelica.Icons.Package;
// model TemplateMedium "Test Interfaces.TemplateMedium"
// extends Modelica.Icons.Example;
// package Medium = Interfaces.TemplateMedium "Medium model";
// Medium.ThermodynamicState state;
//
// Medium.DynamicViscosity eta=Medium.dynamicViscosity(state);
// Medium.ThermalConductivity lambda=Medium.thermalConductivity(state);
// Medium.SpecificEntropy s=Medium.specificEntropy(state);
// Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(state);
// Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(state);
// Medium.IsentropicExponent gamma=Medium.isentropicExponent(state);
// Medium.VelocityOfSound a=Medium.velocityOfSound(state);
// equation
// state.p = 1.0e5;
// state.T = 300 + time/1000;
// annotation (Documentation(info="<html>
//
// </html>"),
// experiment(StopTime=1.01));
// end TemplateMedium;
//
// annotation (Documentation(info="<html>
//
// </html>"));
// end TestMedia;
model IdealGasN2Mix "Test mixture gas IdealGas.SingleMedia.N2 medium model"
extends Modelica.Icons.Example;
parameter SI.Volume V=1 "Size of volume";
parameter Medium.MassFlowRate m_flow_ext=0.01
"Mass flow rate flowing into volume";
parameter Medium.EnthalpyFlowRate H_flow_ext=5000
"Enthalpy flow rate flowing into volume";
package Medium = N2AsMix "Medium model";
// initType=Medium.Choices.Init.SteadyState,
Medium.BaseProperties medium(
preferredMediumStates=true,
p(start=1.e5, fixed=true),
T(start=300, fixed=true));
Real m(quantity=Medium.mediumName, start=1.0);
SI.InternalEnergy U;
Medium.SpecificHeatCapacity cp=Medium.specificHeatCapacityCp(medium.state);
Medium.SpecificHeatCapacity cv=Medium.specificHeatCapacityCv(medium.state);
Medium.IsentropicExponent gamma=Medium.isentropicExponent(medium.state);
Medium.SpecificEntropy s=Medium.specificEntropy(medium.state);
Medium.VelocityOfSound a=Medium.velocityOfSound(medium.state);
equation
m = medium.d*V;
U = m*medium.u;
medium.X = {1.0};
// Mass balance
der(m) = m_flow_ext;
// Energy balance
der(U) = H_flow_ext;
annotation (Documentation(info="<html>
</html>"),experiment(StopTime=1));
end IdealGasN2Mix;
model DryAirNasa
"Test dynamic viscosity and thermal conductivity of Dry Air"
extends Modelica.Icons.Example;
package Medium = Modelica.Media.Air.DryAirNasa "Medium model";
parameter Medium.Temperature Tmin=200;
parameter Medium.Temperature Tmax=3000;
// 373;
Medium.ThermodynamicState state;
Medium.Temperature T;
Medium.DynamicViscosity eta;
Medium.ThermalConductivity lambda;
Real eta_der(unit="Pa");
Real lambda_der(unit="W/(m.K.s)");
package Medium2 = Modelica.Media.IdealGases.SingleGases.N2 "Medium model";
Medium2.ThermodynamicState state2;
Medium2.DynamicViscosity eta2;
Medium2.ThermalConductivity lambda2;
Real eta2_der(unit="Pa");
Real lambda2_der(unit="W/(m.K.s)");
protected
constant Real unitConv(unit="1/s") = 1.0;
equation
T = Tmin + min(time*unitConv, 1)*(Tmax - Tmin);
state = Medium.setState_pTX(Medium.reference_p, T);
eta = Medium.dynamicViscosity(state);
lambda = Medium.thermalConductivity(state);
eta_der = der(eta);
lambda_der = der(lambda);
state2 = Medium2.setState_pTX(
Medium.reference_p,
T,
Medium2.reference_X);
eta2 = Medium2.dynamicViscosity(state2);
lambda2 = Medium2.thermalConductivity(state2);
eta2_der = der(eta2);
lambda2_der = der(lambda2);
annotation (experiment(StopTime=1.01));
end DryAirNasa;
model MoistAir "Test Moist Air"
extends Modelica.Icons.Example;
package Medium = Modelica.Media.Air.MoistAir "Medium model";
SI.Temperature T = 273.15 + 100;
SI.AbsolutePressure p = 2e5 - 1.5e5*time;
Medium.MassFraction X[Medium.nX] = {0.05,0.95};
Medium.ThermodynamicState state = Medium.setState_pTX(p,T,X);
SI.SpecificEntropy s = Medium.specificEntropy(state);
SI.SpecificInternalEnergy u = Medium.specificInternalEnergy(state);
SI.Temperature Tsat = Medium.saturationTemperature(p);
annotation (experiment(StopTime=1));
end MoistAir;
model R134a_setState_pTX "Test setState_pTX() of R134a"
extends Modelica.Icons.Example;
replaceable package Medium = Modelica.Media.R134a.R134a_ph "Medium model";
SI.Temperature T = 273.15 + 25;
SI.AbsolutePressure p = 10e5 + 20e5*time;
Medium.ThermodynamicState state = Medium.setState_pTX(p, T);
SI.SpecificEnthalpy h = Medium.specificEnthalpy(state);
SI.Density rho = Medium.density(state);
SI.DynamicViscosity mu = Medium.dynamicViscosity(state);
SI.SpecificHeatCapacity cp = Medium.specificHeatCapacityCp(state);
SI.ThermalConductivity k = Medium.thermalConductivity(state);
annotation (experiment(StopTime=1));
end R134a_setState_pTX;
annotation (Documentation(info="<html>
</html>"));
end TestOnly;
package TestsWithFluid
"Library to test that all media models simulate and fulfill the expected structural properties"
extends Modelica.Icons.ExamplesPackage;
package Components
"Functions, connectors and models needed for the media model tests"
extends Modelica.Icons.Package;
partial model PartialTestModel "Basic test model to test a medium"
replaceable package Medium = Modelica.Media.Interfaces.PartialMedium
"Medium model" annotation (choicesAllMatching=true);
parameter SI.AbsolutePressure p_start=Medium.p_default
"Initial value of pressure";
parameter SI.Temperature T_start=Medium.T_default
"Initial value of temperature";
parameter SI.SpecificEnthalpy h_start=Medium.h_default
"Initial value of specific enthalpy";
parameter Real X_start[Medium.nX]=Medium.X_default
"Initial value of mass fractions";
/*
parameter SI.AbsolutePressure p_start = 1.0e5 "Initial value of pressure";
parameter SI.Temperature T_start = 300 "Initial value of temperature";
parameter SI.Density h_start = 1 "Initial value of specific enthalpy";
parameter Real X_start[Medium.nX] = Medium.reference_X
"Initial value of mass fractions";
*/
Modelica.Fluid.Vessels.ClosedVolume volume(
redeclare package Medium = Medium,
p_start=p_start,
T_start=T_start,
h_start=h_start,
X_start=X_start,
V=0.1,
nPorts=2,
use_portsData=false) annotation (Placement(transformation(extent={{-40,
0},{-20,20}})));
Modelica.Fluid.Sources.MassFlowSource_T fixedMassFlowRate(
redeclare package Medium = Medium,
m_flow=1,
T=system.T_ambient,
nPorts=1) annotation (Placement(transformation(extent={{-80,-2},{-60,18}})));
Modelica.Fluid.Sources.FixedBoundary ambient(
redeclare package Medium = Medium,
nPorts=1,
p=p_start,
T=T_start) annotation (Placement(transformation(extent={{60,0},{40,20}})));
Modelica.Fluid.Pipes.StaticPipe shortPipe(
redeclare package Medium = Medium,