functionIAM
Function for incident angle modifier
Extends from Modelica.Icons.Function (Icon for functions).
Information
Overview
This function computes the incidence angle modifier for solar irradiation striking the surface of the solar thermal collector. It is calculated using cubic spline interpolation and measurement data for the incident angle modifier provided in data sheets.
References
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Angle | incAng | Incident angle | |
| Modelica.Units.SI.Angle | incAngDat | Incident angle data | |
| Real | incAngModDat | Incident angle modifier data | |
| Real | dMonotone | Incident angle modifier spline derivatives |
Outputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | incAngMod | Incident angle modifier coefficient |
Revisions
-
February 28, 2024, by Jelger Jansen:
Refactor model.
This is for Buildings, #3604. -
May 31, 2017, by Michael Wetter and Filip Jorissen:
Change limits for incident angle modifier to avoid dip in temperature at shallow incidence angles.
This is for issue 785. -
November 20, 2014, by Michael Wetter:
Added missingprotectedkeyword. -
May 22, 2012, by Wangda Zuo:
First implementation.