blockZenithAngle
Zenith angle
Extends from Modelica.Blocks.Icons.Block (Basic graphical layout of input/output block).
Information
This component computes the zenith angle, which is the angle between the earth surface normal and the sun's beam. Input are the solar hour angle and the declination angle.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.SIunits.Angle | lat | Latitude |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | solHouAng | Solar hour angle | |
| Modelica.Blocks.Interfaces.RealInput | decAng | Solar declination angle | |
| Modelica.Blocks.Interfaces.RealOutput | zen | Zenith angle |
Revisions
-
January 5, 2015, by Michael Wetter:
Updated comment of the input connector as this is used in the weather bus connector. This is for issue 376. -
Dec 7, 2010, by Michael Wetter:
Rewrote equation in explicit form to avoid nonlinear equations in room model. -
May 17, 2010, by Wangda Zuo:
First implementation.