blockIncidenceAngleVDI6007
The solar incidence angle on a tilted surface
Extends from Modelica.Blocks.Icons.Block (Basic graphical layout of input/output block).
Information
This component computes the solar incidence angle on a tilted surface using the solar hour angle and the declination angle as input.
- Dec 7, 2010, by Michael Wetter:
Rewrote equation in explicit form to avoid nonlinear equations in room model. - May 19, 2010, by Wangda Zuo:
First implementation.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Angle | azi | Surface azimuth. azi=-90 degree if surface outward unit normal points toward east; azi=0 if it points toward south | |
| Modelica.Units.SI.Angle | til | Surface tilt. til=90 degree for walls; til=0 for ceilings; til=180 for roof |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | solAzi | Solar azimuth angle | |
| Modelica.Blocks.Interfaces.RealInput | alt | solar altitude angle | |
| Modelica.Blocks.Interfaces.RealOutput | incAng | Incidence angle on a tilted surface |