functionwinTExteriorIrradiatrionExteriorShading
Angular and hemispherical transmittance of a window system (glass + shading device) for exterior irradiation with exterior shading
Extends from Buildings.HeatTransfer.Windows.Functions.BaseClasses.partialWindowShadingRadiation (Partial function for window radiation property with shading device).
Information
This function computes the angular and hemispherical transmittance of a window system (glass + shading device) for exterior irradiation with exterior shading.
Pane 1 is facing outside and pane N is facing the room.
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real[3,N,N,HEM,NSta] | traRef (from partialWindowShadingRadiation) | Transmittance and reflectance with exterior irradiation and no shading | |
| Real[2,2] | traRefShaDev (from partialWindowShadingRadiation) | Transmittance and reflectance of shading device | |
| Integer | N (from partialGlassRadiation) | Number of glass layers | |
| Integer | NSta (from partialGlassRadiation) | Number of window states for electrochromic windows (set to 1 for regular windows) | |
| Integer | HEM (from partialSingleGlassRadiation) | Index of hemispherical integration |
Outputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real[HEM,NSta] | traExtIrrExtSha | Angular and hemispherical transmittance of a window system (glass + shading device) for exterior irradiation with exterior shading |
Revisions
-
August 7, 2015, by Michael Wetter:
Revised model to allow modeling of electrochromic windows. This is for issue 445. -
August 29, 2010, by Wangda Zuo:
First implementation.