Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples

Information

This package contains examples for the use of models that can be found in Buildings.BoundaryConditions.SolarGeometry.BaseClasses.

Package Content

Name	Description
Declination	Test model for declination
IncidenceAngle	Test model for incidence angle
SolarAzimuth	Test model for zenith angle
SolarHourAngle	Test model for solar hour angle
ZenithAngle	Test model for zenith angle
AltitudeAngle	Test model for altitude angle
WallSolarAzimuth	Test model for wall solar azimuth angle

Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.Declination

Information

Modelica definition

model Declination "Test model for declination"
  extends Modelica.Icons.Example;
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Declination decAng 
    "Declination angle";
  Buildings.Utilities.SimulationTime simTim "Simulation time";
equation 
  connect(simTim.y, decAng.nDay);
end Declination;

Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.IncidenceAngle

Information

Connectors

Type	Name	Description
Bus	weaBus	Weather bus

Modelica definition

model IncidenceAngle "Test model for incidence angle"
  extends Modelica.Icons.Example;
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Declination decAng 
    "Declination angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarHourAngle
    solHouAng "Solar hour angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.IncidenceAngle incAng(
    azi=0,
    til=90,
    lat=0.73268921998722) "incidence angle";
  Buildings.BoundaryConditions.WeatherData.ReaderTMY3 weaDat(
    filNam="modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos") 
    "Weather data";
  Buildings.BoundaryConditions.WeatherData.Bus weaBus "Weather bus";
equation 
  connect(decAng.decAng, incAng.decAng);
  connect(solHouAng.solHouAng, incAng.solHouAng);
  connect(weaDat.weaBus, weaBus);
  connect(weaBus.cloTim, decAng.nDay);
  connect(weaBus.solTim, solHouAng.solTim);
end IncidenceAngle;

Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth

Information

Parameters

Type	Name	Default	Description
Angle	lat	41.98*Modelica.Constants.pi/...	Latitude [rad]

Connectors

Type	Name	Description
Bus	weaBus	Weather bus

Modelica definition

model SolarAzimuth "Test model for zenith angle"
  extends Modelica.Icons.Example;
  parameter Modelica.SIunits.Angle lat= 41.98*Modelica.Constants.pi/180 
    "Latitude";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarHourAngle
    solHouAng "Solar hour angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.ZenithAngle zen(lat=lat) 
    "Zenith angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Declination decAng 
    "Declination angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarAzimuth solAzi(lat=lat) 
    "Solar azimuth";
  WeatherData.ReaderTMY3 weaDat(
    filNam="modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos") 
    "Weather data";
  WeatherData.Bus weaBus "Weather bus";
equation 
  connect(zen.zen, solAzi.zen);
  connect(solHouAng.solHouAng, zen.solHouAng);
  connect(decAng.decAng, solAzi.decAng);
  connect(decAng.decAng, zen.decAng);
  connect(weaDat.weaBus, weaBus);
  connect(weaBus.cloTim, decAng.nDay);
  connect(weaBus.solTim, solHouAng.solTim);
  connect(weaBus.solTim, solAzi.solTim);
end SolarAzimuth;

Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle

Information

Connectors

Type	Name	Description
Bus	weaBus	Weather bus

Modelica definition

model SolarHourAngle "Test model for solar hour angle"
  extends Modelica.Icons.Example;
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarHourAngle
    solHouAng "Solar hour Angle";
  WeatherData.ReaderTMY3 weaDat(
    filNam="modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos") 
    "Weather data";
  WeatherData.Bus weaBus "Weather bus";
equation 
  connect(weaDat.weaBus, weaBus);
  connect(weaBus.solTim, solHouAng.solTim);
end SolarHourAngle;

Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle

Information

Connectors

Type	Name	Description
Bus	weaBus	Weather bus

Modelica definition

model ZenithAngle "Test model for zenith angle"
  extends Modelica.Icons.Example;
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.ZenithAngle zen(lat=
        0.73268921998722) "Zenith angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Declination decAng 
    "Declination angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarHourAngle
    solHouAng "Solar hour angle";
  Buildings.BoundaryConditions.WeatherData.ReaderTMY3 weaDat(filNam=
        "modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos") 
    "Weather data";
  Buildings.BoundaryConditions.WeatherData.Bus weaBus "Weather bus";
equation 
  connect(decAng.decAng, zen.decAng);
  connect(solHouAng.solHouAng, zen.solHouAng);
  connect(weaDat.weaBus, weaBus);
  connect(weaBus.cloTim, decAng.nDay);
  connect(weaBus.solTim, solHouAng.solTim);
end ZenithAngle;

Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.AltitudeAngle

Information

This example calculates the altitude angle of the sun at a given time. The altitude angle is the angle between the sun ray and the projection of the ray on a horizontal surface.

Components used in this model are:

• Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Declination
• Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarHourAngle
• Buildings.BoundaryConditions.SolarGeometry.BaseClasses.ZenithAngle

Connectors

Type	Name	Description
Bus	weaBus	Weather bus

Modelica definition

model AltitudeAngle "Test model for altitude angle"
  extends Modelica.Icons.Example;
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.ZenithAngle zen(lat=
        0.73268921998722) "Zenith angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Declination decAng 
    "Declination angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarHourAngle
    solHouAng "Solar hour angle";
  Buildings.BoundaryConditions.WeatherData.ReaderTMY3 weaDat(filNam="modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos") 
    "Weather data";
  Buildings.BoundaryConditions.WeatherData.Bus weaBus "Weather bus";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.AltitudeAngle altAng 
    "Altitude angle: Angle between Sun ray and horizontal surface)";
equation 
  connect(decAng.decAng, zen.decAng);
  connect(solHouAng.solHouAng, zen.solHouAng);
  connect(weaDat.weaBus, weaBus);
  connect(weaBus.cloTim, decAng.nDay);
  connect(weaBus.solTim, solHouAng.solTim);
  connect(zen.zen, altAng.zen);
end AltitudeAngle;

Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth

Information

This example calculates the wall solar azimuth angle.

Parameters

Type	Name	Default	Description
Angle	lat	41.98*Modelica.Constants.pi/...	Latitude [rad]

Connectors

Type	Name	Description
Bus	weaBus	Weather bus

Modelica definition

model WallSolarAzimuth "Test model for wall solar azimuth angle"
extends Modelica.Icons.Example;
  Buildings.BoundaryConditions.SolarGeometry.IncidenceAngle incAng(
    azi=0,
    lat=lat,
    til=1.5707963267949) "solar incidence angle";
  Buildings.BoundaryConditions.WeatherData.ReaderTMY3 weaDat(filNam=
        "modelica://Buildings/Resources/weatherdata/USA_IL_Chicago-OHare.Intl.AP.725300_TMY3.mos") 
    "Weather data";
  Buildings.BoundaryConditions.WeatherData.Bus weaBus "Weather bus";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.WallSolarAzimuth
    walSolAzi "Vertical wall solar azimuth angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.AltitudeAngle altAng 
    "Altitude angle";
  parameter Modelica.SIunits.Angle lat=41.98*Modelica.Constants.pi/180 
    "Latitude";
equation 
  connect(weaDat.weaBus, weaBus);
  connect(weaDat.weaBus, incAng.weaBus);
  connect(incAng.y, walSolAzi.incAng);
  connect(altAng.alt, walSolAzi.alt);
  connect(weaBus.sol.zen, altAng.zen);
end WallSolarAzimuth;