BuildSysPro.BoundaryConditions.Solar.Irradiation.DirectTrans

# .BuildSysPro.BoundaryConditions.Solar.Irradiation.DirectTrans

Compute the direct solar irradiation transmited through a glazing surface

## Information

Compute the direct solar irradiation transmited through a glazing surface considering the incidence angle

Hypothesis and equations

none

Bibliography

Relations from RT2000 (French building regulation), Fauconnier, Cardonnel [1983] and proportional weighting of cos i.

Instructions for use

This model returns the direct irradiation according to the incident irradiation. This information is provided through the FLUX input connector and could be calculated by a solar preprocessing (e.g. `FLUXSurf` model)

Known limits / Use precautions

none

Validations

Validated model (excel sheet comparison) - Aurélie Kaemmerlen 06/2011

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Licensed by EDF under a 3-clause BSD-license
Copyright © EDF 2009 - 2023
BuildSysPro version 3.6.0
Author : Aurélie KAEMMERLEN, EDF (2011)
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## Revisions

Aurélie Kaemmerlen 06/2012 - Correction de la formule de Fauconnier qui était instable numériquement lorsque cosi était proche de 0 (division par cosi) + sécurisation pour que la pondération soit toujours positive + changement de la formule par défaut

Aurélie Kaemmerlen 10/2012 - Ajout d'une pondération linéaire en cosi

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