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Buildings.BoundaryConditions.SolarGeometry

Package with models to compute solar geometry

Information

This package contains models to compute the solar geometry and incidence angles on tilted surfaces.

Extends from Modelica.Icons.VariantsPackage (Icon for package containing variants).

Package Content

Name Description
Buildings.BoundaryConditions.SolarGeometry.IncidenceAngle IncidenceAngle Solar incidence angle on a tilted surface
Buildings.BoundaryConditions.SolarGeometry.ZenithAngle ZenithAngle Zenith angle
Buildings.BoundaryConditions.SolarGeometry.Examples Examples Collection of models that illustrate model use and test models
Buildings.BoundaryConditions.SolarGeometry.BaseClasses BaseClasses Package with base classes for Buildings.BoundaryConditions.SolarGeometry

Buildings.BoundaryConditions.SolarGeometry.IncidenceAngle Buildings.BoundaryConditions.SolarGeometry.IncidenceAngle

Solar incidence angle on a tilted surface

Buildings.BoundaryConditions.SolarGeometry.IncidenceAngle

Information

This component computes the solar incidence angle on a tilted surface. For a definition of the parameters, see the User's Guide Buildings.BoundaryConditions.UsersGuide. 



Extends from Modelica.Blocks.Icons.Block (Basic graphical layout of input/output block).


Parameters




TypeNameDefaultDescription


Anglelat Latitude [rad]


Angleazi Surface azimuth [rad]


Angletil Surface tilt [rad]




Connectors




TypeNameDescription


output RealOutputyIncidence angle [rad]


BusweaBus 




Modelica definition


block IncidenceAngle "Solar incidence angle on a tilted surface"
  extends Modelica.Blocks.Icons.Block;
public 
  parameter Modelica.SIunits.Angle lat "Latitude";
  parameter Modelica.SIunits.Angle azi "Surface azimuth";
  parameter Modelica.SIunits.Angle til "Surface tilt";

  Modelica.Blocks.Interfaces.RealOutput y(
    final quantity="Angle",
    final unit="rad",
    displayUnit="deg") "Incidence angle";
protected 
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Declination decAng 
    "Declination angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.SolarHourAngle
    solHouAng "Solar hour angle";
  Buildings.BoundaryConditions.SolarGeometry.BaseClasses.IncidenceAngle incAng(
    final lat=lat,
    final azi=azi,
    final til=til) "Incidence angle";
public 
  WeatherData.Bus weaBus;
equation 
  connect(incAng.incAng, y);
  connect(decAng.decAng, incAng.decAng);
  connect(solHouAng.solHouAng, incAng.solHouAng);
  connect(weaBus.cloTim, decAng.nDay);
  connect(weaBus.solTim, solHouAng.solTim);
end IncidenceAngle;







Buildings.BoundaryConditions.SolarGeometry.ZenithAngle
Buildings.BoundaryConditions.SolarGeometry.ZenithAngle



Zenith angle



Buildings.BoundaryConditions.SolarGeometry.ZenithAngle



Information




This component computes the zenith angle, which is the angle between the earth surface normal and the sun beam.
For a definition of the parameters, see the User's Guide
Buildings.BoundaryConditions.UsersGuide.





Extends from Modelica.Blocks.Icons.Block (Basic graphical layout of input/output block).


Parameters




TypeNameDefaultDescription


Anglelat Latitude [rad]




Connectors




TypeNameDescription


output RealOutputyZenith angle [rad]


BusweaBus 




Modelica definition


block ZenithAngle "Zenith angle"
  extends Modelica.Blocks.Icons.Block;
public 
  parameter Modelica.SIunits.Angle lat "Latitude";
  Modelica.Blocks.Interfaces.RealOutput y(
    final quantity="Angle",
    final unit="rad",
    displayUnit="deg") "Zenith angle";
protected 
   Buildings.BoundaryConditions.SolarGeometry.BaseClasses.ZenithAngle zen(final lat=lat);
public 
  WeatherData.Bus weaBus;
equation 
  connect(zen.zen, y);
  connect(weaBus.sol.dec, zen.decAng);
  connect(weaBus.sol.solHouAng, zen.solHouAng);
end ZenithAngle;






Automatically generated Thu Jun 19 10:54:25 2014.