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Use of Meteosat data to produce sky luminance maps

Contributors

Ineichen, Pierre

Mandator

Group of Applied Physics

Number of pages

14

Publisher

Genève : Group of Applied Physics

Publication date

1996

Abstract

The objective of the subtask is to derive a model to evaluate the luminance distribution of the sky vault on the basis of Meteosat data. This information is a key element in the field of building energy saving, it is the basis of indoor daylight calculation. Evaluation programs like Genelux (LASH-ENTPE) need this sky luminance distribution to perform their calculations. Sky luminance distribution models have been developed in the last years on the basis of horizontal diffuse illuminance. Their precision depends on the input data and these models cannot take into account the statistical cloud distribution in the sky vault. Perez et al. tried to superpose a statistical cloud distribution on their symmetrical model, but this was done on a unique set of data and a particular site. The model was not tested on other data (due to the lack of clean and complete sky luminance distribution database) and therefore cannot be used in any site by now without a question mark on the results.

Keywords

  • Luminance distribution

UNIGE affiliation entities

UNIGE research groups

Citation (ISO format)

INEICHEN, Pierre. Use of Meteosat data to produce sky luminance maps. 1996

Main files (1)

Report

Identifiers

  • PID : unige:38780
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Technical informations

Creation

08/07/2014 15:40:00

First validation

08/07/2014 15:40:00

Update

14/03/2023 21:27:28

Status update

14/03/2023 21:27:28

Last indexation

30/10/2024 19:28:30
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