{"id":13762,"date":"2023-08-14T06:05:00","date_gmt":"2023-08-14T06:05:00","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13762"},"modified":"2023-12-26T08:39:38","modified_gmt":"2023-12-26T08:39:38","slug":"what-is-level-of-illumination","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/fr\/glossaire\/quel-est-le-niveau-dillumination","title":{"rendered":"Qu'est-ce que le niveau d'\u00e9clairement ?"},"content":{"rendered":"

Qu'est-ce que le niveau d'\u00e9clairement ?<\/h2>

Le niveau d'\u00e9clairement est la mesure ou le calcul de la quantit\u00e9 de lumi\u00e8re pr\u00e9sente dans une zone sp\u00e9cifique, en particulier dans les situations d'\u00e9clairage routier. C'est un facteur qui d\u00e9termine la visibilit\u00e9 et la s\u00e9curit\u00e9 des routes. Le niveau d'\u00e9clairement peut \u00eatre d\u00e9termin\u00e9 en calculant soit les niveaux d'\u00e9clairement, soit les niveaux de luminance, soit les deux. L'\u00e9clairement est la quantit\u00e9 de lumi\u00e8re qui atteint la surface de la chauss\u00e9e et se mesure en pieds-candles (unit\u00e9s coutumi\u00e8res am\u00e9ricaines) ou en lux (unit\u00e9s SI). La luminance, quant \u00e0 elle, est la mesure de la lumi\u00e8re r\u00e9fl\u00e9chie par la surface de la chauss\u00e9e et visible par l'\u0153il de l'automobiliste. Elle est mesur\u00e9e en candela par m\u00e8tre carr\u00e9 (cd\/m2). Le calcul de la luminance n\u00e9cessite la connaissance des caract\u00e9ristiques de r\u00e9flectance de la chauss\u00e9e et l'utilisation d'un logiciel de conception d'\u00e9clairage.<\/p>

Le niveau et l'uniformit\u00e9 de l'\u00e9clairage ou de la luminance le long d'une autoroute d\u00e9pendent de divers facteurs, notamment la puissance lumineuse de la source lumineuse, la r\u00e9partition des luminaires, la hauteur de montage, la position des luminaires, la r\u00e9flectance de la chauss\u00e9e, ainsi que l'espacement et la disposition des poteaux. Diff\u00e9rentes dispositions d'installation, telles que quelques sources lumineuses \u00e0 haut rendement ou un plus grand nombre de sources \u00e0 faible rendement, peuvent permettre d'obtenir le m\u00eame niveau moyen d'\u00e9clairage. Pour garantir la pr\u00e9cision des calculs d'\u00e9clairage, il convient \u00e9galement de prendre en consid\u00e9ration le facteur de perte de lumi\u00e8re (LLF). Le LLF est un facteur de d\u00e9pr\u00e9ciation appliqu\u00e9 \u00e0 l'\u00e9clairement ou \u00e0 la luminance moyenne initiale calcul\u00e9e.<\/p>

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Contactez-nous pour des d\u00e9tecteurs de mouvement PIR complets, des produits d'\u00e9conomie d'\u00e9nergie activ\u00e9s par le mouvement, des interrupteurs \u00e0 d\u00e9tecteur de mouvement et des solutions commerciales d'occupation\/occupation.<\/p>

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Le niveau d'\u00e9clairement est la mesure ou le calcul de la quantit\u00e9 de lumi\u00e8re pr\u00e9sente dans une zone sp\u00e9cifique, en particulier dans les situations d'\u00e9clairage routier.<\/p>","protected":false},"author":4,"featured_media":12863,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"mounting height\", \"idxall\": 0, \"keywordtitlesimi\": 0.9691525101661682, \"keywordslugsimi\": 0.9691525101661682, \"paratitlesimi\": 0.5080705881118774, \"paraslugsimi\": 0.5080705881118774, \"slug\": \"what-is-mounting-height\", \"title\": \"What is Mounting Height\", \"id\": 13846}, {\"keyword\": \"lux\", \"idxall\": 0, \"keywordtitlesimi\": 0.9160708785057068, \"keywordslugsimi\": 0.9160708785057068, \"paratitlesimi\": 0.6229879856109619, \"paraslugsimi\": 0.6229879856109619, \"slug\": \"what-is-lux\", 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