.BuildSysPro.BoundaryConditions.Solar.SolarMasks.FullMask

Information

Calculation of the sunny share of a surface considering shading devices

Hypothesis and equations

Shading devices (near mask) with both overhang and lateral fin (such as egg crate) are considered. See diagram below:

Bibliography

ISO 13791 standard

RT2012 standard for the consideration of vertical distant masks

Instructions for use

none

Known limits / Use precautions

These models are valid only for vertical walls.

The accumulation of several masks of near types for a same wall is prohibited

Validations

Validated model (according to the standard ISO13791-2004) - Aurélie Kaemmerlen 05/2011

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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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Interface

function FullMask
  input Modelica.Units.SI.Distance Av "Overhang";
  input Modelica.Units.SI.Distance Ha "Distance between the overhang and the top of the surface (window)";
  input Modelica.Units.SI.Distance Lf "Surface (window) width";
  input Modelica.Units.SI.Distance Hf "Surface (window) height";
  input Modelica.Units.SI.Distance Dd "Lateral overhang (right hand side)";
  input Modelica.Units.SI.Distance Dg "Lateral overhang (left hand side)";
  input Modelica.Units.NonSI.Angle_deg AzimutSoleil "Solar azimuth angle (Orientation relative to the south) - S=0°, E=-90°, W=90°, N=180°";
  input Modelica.Units.NonSI.Angle_deg HauteurSoleil "Solar elevation angle";
  input Modelica.Units.NonSI.Angle_deg azimut "Surface tilt - downwards = 180° skyward = 0°, vertical = 90°";
  output Modelica.Units.SI.Area A0 "Sunny surface of the window";
end FullMask;

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