Buildings.HeatTransfer.Radiosity.Examples

Information

Extends from Buildings.BaseClasses.BaseIconExamples (Icon for Examples packages).

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

Modelica definition

model OpaqueSurface 
  "Test model for indoor source as an opaque surface"
  import Buildings;

  Modelica.Thermal.HeatTransfer.Sources.FixedTemperature T2(T=303.15);

  Buildings.HeatTransfer.Radiosity.OpaqueSurface bod1( epsLW=0.3, A=1);
  Modelica.Thermal.HeatTransfer.Sources.FixedTemperature T1(T=293.15);
  Buildings.HeatTransfer.Radiosity.OpaqueSurface bod2( epsLW=0.3, A=1);
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

Parameters

Type	Name	Default	Description
Area	A	1	Area of receiving surface [m2]

Modelica definition

model OutdoorRadiosity "Test model for outdoor radiosity"
  import Buildings;
  Buildings.HeatTransfer.Radiosity.OpaqueSurface sur(A=A, epsLW=1) 
    "Receiving surface";
  Buildings.HeatTransfer.Radiosity.OutdoorRadiosity outRad(A=A, F_sky=0.5) 
    "Outdoor radiosity model";
  parameter Modelica.SIunits.Area A=1 "Area of receiving surface";
  Modelica.Thermal.HeatTransfer.Sources.FixedTemperature TAirOut(T=293.15) 
    "Outside air temperature";
  Modelica.Blocks.Sources.Ramp f_clr(duration=1) 
    "Fraction of sky that is clear";
equation 
  connect(outRad.JOut, sur.JIn);
  connect(f_clr.y, outRad.f_clr);
  connect(TAirOut.port, outRad.heatPort);
end OutdoorRadiosity;