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added media for dry air #5

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5379bef
added media for dry air
Mathadon Oct 27, 2017
de716e5
using BuildingMpc.Media.DryAir isntead of solarwind
Mathadon Oct 31, 2017
827601c
fixed constants and revision history in BuildingMpc/Media/DryAir/pack…
Mathadon Dec 14, 2017
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4 changes: 2 additions & 2 deletions BuildingMpc/Case900.mo
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ model Case900
extends Modelica.Icons.Example;
IDEAS.Buildings.Components.RectangularZoneTemplate rectangularZoneTemplate(
h=2.7,
redeclare package Medium = Solarwind.Media.DryAir,
redeclare package Medium = BuildingMpc.Media.DryAir,
redeclare IDEAS.Buildings.Components.ZoneAirModels.WellMixedAir
airModel(massDynamics=
Modelica.Fluid.Types.Dynamics.SteadyState),
Expand Down Expand Up @@ -47,7 +47,7 @@ model Case900
"Simulation information manager for climate data"
annotation (Placement(transformation(extent={{-100,60},{-80,80}})));
IBPSA.Fluid.Sources.Boundary_pT bou(nPorts=1, redeclare package Medium =
Solarwind.Media.DryAir)
BuildingMpc.Media.DryAir)
annotation (Placement(transformation(extent={{-46,30},{-26,50}})));
Modelica.Thermal.HeatTransfer.Sources.PrescribedHeatFlow preHeaFlo(final
alpha=0) annotation (Placement(transformation(extent={{40,-22},{20,-2}})));
Expand Down
11 changes: 11 additions & 0 deletions BuildingMpc/Media/DryAir/enthalpyOfCondensingGas.mo
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@@ -0,0 +1,11 @@
within BuildingMpc.Media.DryAir;
function enthalpyOfCondensingGas
"Enthalpy of steam per unit mass of steam"
extends Modelica.Icons.Function;
input Temperature T "temperature";
output SpecificEnthalpy h "steam enthalpy";
algorithm
h := 0;
annotation(smoothOrder=5,
Inline=true);
end enthalpyOfCondensingGas;
73 changes: 73 additions & 0 deletions BuildingMpc/Media/DryAir/package.mo
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Original file line number Diff line number Diff line change
@@ -0,0 +1,73 @@
within BuildingMpc.Media;
package DryAir "Package with dry air model"
extends BuildingMpc.Media.PartialSimpleMedium(
mediumName="Air",
cp_const=1005,
cv_const=cp_const/1.4,
d_const=1.2,
eta_const=1.82e-5,
lambda_const=0.026,
a_const=331,
T_min=240,
T_max=400,
T0=reference_T,
MM_const=0.0289651159,
reference_X={1},
reference_T=273.15,
reference_p=101325,
AbsolutePressure(start=p_default),
Temperature(start=T_default),
extraPropertiesNames=fill("CO2", if useCO2 then 1 else 0));
constant Boolean useCO2 = false;

extends Modelica.Icons.Package;

annotation(preferredView="info", Documentation(info="<html>
<p>
Very simple air medium that does not cause linear algebraic loops in JModelica.
</p>
</html>", revisions="<html>
<ul>
<li>
2017, by Filip Jorissen:<br/>
First implementation.
</li>
</ul>
</html>"),
Icon(graphics={
Ellipse(
extent={{-78,78},{-34,34}},
lineColor={0,0,0},
fillPattern=FillPattern.Sphere,
fillColor={120,120,120}),
Ellipse(
extent={{-18,86},{26,42}},
lineColor={0,0,0},
fillPattern=FillPattern.Sphere,
fillColor={120,120,120}),
Ellipse(
extent={{48,58},{92,14}},
lineColor={0,0,0},
fillPattern=FillPattern.Sphere,
fillColor={120,120,120}),
Ellipse(
extent={{-22,32},{22,-12}},
lineColor={0,0,0},
fillPattern=FillPattern.Sphere,
fillColor={120,120,120}),
Ellipse(
extent={{36,-32},{80,-76}},
lineColor={0,0,0},
fillPattern=FillPattern.Sphere,
fillColor={120,120,120}),
Ellipse(
extent={{-36,-30},{8,-74}},
lineColor={0,0,0},
fillPattern=FillPattern.Sphere,
fillColor={120,120,120}),
Ellipse(
extent={{-90,-6},{-46,-50}},
lineColor={0,0,0},
fillPattern=FillPattern.Sphere,
fillColor={120,120,120})}));
end DryAir;
2 changes: 2 additions & 0 deletions BuildingMpc/Media/DryAir/package.order
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@@ -0,0 +1,2 @@
useCO2
enthalpyOfCondensingGas
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