Facteur de lumière du jour

  • Anonymous
  • Auteur du sujet
  • Membre platine
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il y a 14 ans 10 mois #4341 par Anonymous
Facteur de lumière du jour a été créé par Anonymous
Bonjour,

Dans la note de version 30, il est précisé qu'on peut avoir accès au facteur de lumière du jour pour 4 types de ciel.

Je ne retrouve pas cette possibilité dans le logiciel. Pouvez-vous m'indiquer comment l'utiliser ?

Merci

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  • Anonymous
  • Auteur du sujet
  • Membre platine
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il y a 14 ans 10 mois #4343 par Anonymous
Réponse de Anonymous sur le sujet Re: Facteur de lumière du jour
Je viens de l'essayer mais malheureusement les facteurs produits sont détaillés pour un point de référence seulement et fenêtre par fenêtre. Il est donc délicat d'en tirer un FLJ de zone.
Je crois que ces données sont réservées à un public expert qui cherche à comprendre comment E+ réalise ses calculs d'éclairement.

Ceci dit, voici la procédure pour le générer :
  1. Activer dans la ou les zones voulues le contrôle d'éclairage afin que le capteur de lumière apparaisse. Si vous ne voulez pas de gradation, saisissez 0 dans le % de zone couvert par le capteur.
  2. Dans la boite de lancement des simulations, cliquez sur la sortie Éclairement au point de référence
  3. Ouvrez le répertoire depuis le menu Fichier > Répertoires > Répertoire EnergyPlus
  4. Ouvrez avec un bloc-note ou un tableur le fichier eplusout.dfs
Ce fichier contient pour chaque heure les facteurs d'éclairement pour 4 types de ciel et fenêtre par fenêtre.

Exemple du contenu (pas très lisible ici en texte, désolé) :
Code:
Hour,Daylight Factor for Clear Sky at Reference point 1,Daylight Factor for Clear Turbid Sky at Reference point 1,Daylight Factor for Intermediate Sky at Reference point 1,Daylight Factor for Overcast Sky at Reference point 1,Daylight Factor for Clear Sky at Reference point 2,Daylight Factor for Clear Turbid Sky at Reference point 2,Daylight Factor for Intermediate Sky at Reference point 2,Daylight Factor for Overcast Sky at Reference point 2 01/22,753,W_753_2_0_0_0_0_0_WIN,Base Window 1,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 2,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 3,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 4,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 5,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 6,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 7,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 8,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 9,3.34617E-003,3.71470E-003,1.74975E-003,1.02555E-003,0.00000,0.00000,0.00000,0.00000 10,2.84450E-003,3.03166E-003,1.73974E-003,1.02555E-003,0.00000,0.00000,0.00000,0.00000 11,2.30595E-003,2.32695E-003,1.61264E-003,1.02555E-003,0.00000,0.00000,0.00000,0.00000 12,1.89625E-003,1.79372E-003,1.42903E-003,1.02555E-003,0.00000,0.00000,0.00000,0.00000 13,1.66843E-003,1.48040E-003,1.24956E-003,1.02555E-003,0.00000,0.00000,0.00000,0.00000 14,1.61238E-003,1.36213E-003,1.11097E-003,1.02555E-003,0.00000,0.00000,0.00000,0.00000 15,1.67188E-003,1.36795E-003,1.02033E-003,1.02555E-003,0.00000,0.00000,0.00000,0.00000 16,1.80358E-003,1.45259E-003,9.71012E-004,1.02555E-003,0.00000,0.00000,0.00000,0.00000 17,2.00067E-003,1.61933E-003,9.51124E-004,1.02555E-003,0.00000,0.00000,0.00000,0.00000 18,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 19,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 20,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 21,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 22,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 23,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000 24,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000,0.00000

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