Buildings.HeatTransfer.Radiosity.Examples
Collection of models that illustrate model use and test models
Information
This package contains examples for the use of models that can be found in Buildings.HeatTransfer.Radiosity.
Extends from Modelica.Icons.ExamplesPackage (Icon for packages containing runnable examples).
Package Content
| Name | Description |
|---|---|
 OpaqueSurface
|
Test model for indoor source as an opaque surface |
| OutdoorRadiosity
|
Test model for outdoor radiosity |
Buildings.HeatTransfer.Radiosity.Examples.OpaqueSurface
Test model for indoor source as an opaque surface
Information
This examples demonstrates two opaque surfaces that radiate toward each other. The model assumes that the view factor between the surfaces is equal to one.
Extends from Modelica.Icons.Example (Icon for runnable examples).
Modelica definition
model OpaqueSurface "Test model for indoor source as an opaque surface"
extends Modelica.Icons.Example;
Buildings.HeatTransfer.Sources.FixedTemperature T2(T=303.15)
"Boundary condition for surface 2";
Buildings.HeatTransfer.Radiosity.OpaqueSurface bod1( absIR=0.3, A=1)
"Surface 1";
Buildings.HeatTransfer.Sources.FixedTemperature T1(T=293.15)
"Boundary condition for surface 1";
Buildings.HeatTransfer.Radiosity.OpaqueSurface bod2( absIR=0.3, A=1)
"Surface 2";
equation
connect(T1.port, bod1.heatPort);
connect(T2.port, bod2.heatPort);
connect(bod1.JOut, bod2.JIn);
connect(bod2.JOut, bod1.JIn);
end OpaqueSurface;
Buildings.HeatTransfer.Radiosity.Examples.OutdoorRadiosity
Test model for outdoor radiosity
Information
Extends from Modelica.Icons.Example (Icon for runnable examples).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Area | A | 1 | Area of receiving surface [m2] |
Modelica definition
model OutdoorRadiosity "Test model for outdoor radiosity"
extends Modelica.Icons.Example;
Buildings.HeatTransfer.Radiosity.OpaqueSurface sur(A=A, absIR=1)
"Receiving surface";
Buildings.HeatTransfer.Radiosity.OutdoorRadiosity outRad(A=A, vieFacSky=0.5)
"Outdoor radiosity model";
parameter Modelica.Units.SI.Area A=1 "Area of receiving surface";
Modelica.Blocks.Sources.Ramp TSky(
duration=1,
height=30,
offset=273.15) "Sky blackbody temperature";
Modelica.Blocks.Sources.Constant TAir(k=273.15 + 20)
"Outside air temperature";
equation
connect(outRad.JOut, sur.JIn);
connect(TAir.y, outRad.TBlaSky);
connect(TSky.y, outRad.TOut);
end OutdoorRadiosity;