.BuildSysPro.BoundaryConditions.Solar.Utilities.HourAngle

Information

Function returning Hour Angle at (t 0 + t) according to the True Solar Time

Hypothesis and equations

Function returning Hour Angle at (t 0 + t) according to the True Solar Time:

AH = (TSV-12)*pi/12

The year is supposed to be not bisextile.

Bibliography

H. BOUIA, "Amélioration du temps de calcul dans BuildSysPro par traitements numériques optimisés de la conduction et des calculs solaires", Note H-E14-2013-00715-FR, 03/2013.

Instructions for use

none

Known limits / Use precautions

none

Validations

Validated function - Hassan BOUIA 03/2013

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Licensed by EDF under a 3-clause BSD-license
Copyright © EDF 2009 - 2023
BuildSysPro version 3.6.0
Author : Hassan BOUIA, EDF (2013)
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Interface

function HourAngle
  input Modelica.Units.SI.Time t0 = 0 "Time in seconds at t=0";
  input Modelica.Units.SI.Time t "Universal time in seconds";
  input Modelica.Units.NonSI.Angle_deg longitude "longitude in degrees";
  output Real AH "Hour Angle in radians: HA = 15*TSV*pi/180";
end HourAngle;

Revisions

Hassan Bouia 03/2013 : Simplification de l'écriture et adaptation au nouveau modèle MeteoFile