{"id":2061,"date":"2024-10-27T16:00:04","date_gmt":"2024-10-27T15:00:04","guid":{"rendered":"https:\/\/communes-vertes.org\/reseaux-ee\/"},"modified":"2024-11-12T12:37:56","modified_gmt":"2024-11-12T11:37:56","slug":"rayonnement-solaire-a-travers-une-vitre","status":"publish","type":"reseaux-ee","link":"https:\/\/communes-vertes.org\/ar\/reseaux-ee\/knowledge-hub\/batiments-municipaux\/rayonnement-solaire-a-travers-une-vitre\/","title":{"rendered":"Rayonnement solaire \u00e0 travers une vitre\u00a0"},"content":{"rendered":"\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:28% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"690\" height=\"636\" src=\"https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Rayonnement-solaire-a-travers-une-vitre-.png\" alt=\"\" class=\"wp-image-2062 size-full\" srcset=\"https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Rayonnement-solaire-a-travers-une-vitre-.png 690w, https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Rayonnement-solaire-a-travers-une-vitre--300x277.png 300w\" sizes=\"auto, (max-width: 690px) 100vw, 690px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>Au contact d\u2019un vitrage, le rayonnement solaire incident est proportionnellement transmis, absorb\u00e9 et r\u00e9fl\u00e9chi selon les propri\u00e9t\u00e9s du vitrage suivantes :\u00a0<\/p>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>L\u2019\u00e9missivit\u00e9 des vitrages, \u03b5<\/strong>&nbsp;<\/h5>\n\n\n\n<p>L\u2019\u00e9missivit\u00e9, <em>\u03b5<\/em>, refl\u00e8te la capacit\u00e9 \u00e0 absorber puis \u00e0 r\u00e9\u00e9mettre de la chaleur par rayonnement. Un verre de faible \u00e9missivit\u00e9 r\u00e9duit alors le transfert de transfert de chaleur par rayonnement.&nbsp;&nbsp;<\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Le <strong>facteur solaire, FS<\/strong>\u00a0<\/h5>\n\n\n\n<p>Le facteur solaire not\u00e9, <em>FS<\/em>, se d\u00e9finit comme le rapport entre le flux solaire re\u00e7u par le vitrage et la somme des \u00e9nergies solaires transmises.&nbsp;<\/p>\n\n\n\n<p>&nbsp;Un double vitrage standard \u00e0 isolation thermique renforc\u00e9e (ITR) peut facilement afficher un facteur solaire de 0,63. Autrement dit, une part de 63% de l\u2019\u00e9nergie solaire entre dans la pi\u00e8ce.&nbsp;&nbsp;<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Le<strong> coefficient de transmission lumineuse, TI<\/strong>\u00a0<\/h5>\n\n\n\n<p>La transmission lumineuse, TI, caract\u00e9rise uniquement la fraction visible de la lumi\u00e8re incidente qui est transmise par le verre. On peut donc avoir des coefficients de 80% dans le cas d\u2019un double vitrage standard \u00e0 isolation thermique renforc\u00e9e (ITR).\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Facteurs influents sur le choix de la fen\u00eatre<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:27% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"354\" src=\"https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Fusionline94Pure.jpg\" alt=\"\" class=\"wp-image-2064 size-full\" srcset=\"https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Fusionline94Pure.jpg 250w, https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Fusionline94Pure-212x300.jpg 212w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>En plus des facteurs susmentionn\u00e9s, le choix des fen\u00eatres doit aussi les consid\u00e9rer d\u2019autres facteurs tels que\u202f:\u00a0\u00a0\u00a0<\/p>\n\n\n\n<p>Le coefficient de transmission thermique de la fen\u00eatre (vitrage + ch\u00e2ssis) not\u00e9 <em>U<sub>w<\/sub>,<\/em>\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Le <\/em>coefficient de transmission du vitrage\u202f; <em>U<\/em><em><sub>g<\/sub><sub>\u00a0<\/sub><\/em>\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le coefficient de transmission du ch\u00e2ssis\u202f;<em> U<\/em><em><sub>f<\/sub><\/em>\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<p><em>Ces coefficients sont tous exprim\u00e9s en <\/em>en W\/m<sup>2. K<\/sup>\u00a0\u00a0<\/p>\n\n\n\n<p>Source: <a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Fusionline94Pure.jpg\" target=\"_blank\" rel=\"noreferrer noopener\">Wikimedia \u2013 created by Dogsom<\/a>\u00a0\u00a0<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Efficacit\u00e9 \u00e9nerg\u00e9tique vitrage<\/strong>\u00a0<\/h3>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"488\" src=\"https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Efficacite-energetique-vitrage--1024x488.png\" alt=\"\" class=\"wp-image-2066 size-full\" srcset=\"https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Efficacite-energetique-vitrage--1024x488.png 1024w, https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Efficacite-energetique-vitrage--300x143.png 300w, https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Efficacite-energetique-vitrage--768x366.png 768w, https:\/\/communes-vertes.org\/wp-content\/uploads\/2024\/10\/Efficacite-energetique-vitrage-.png 1058w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>La configuration en simple, double voire triple vitrage a aussi une influence directe sur la performance \u00e9nerg\u00e9tique qui se manifeste alors par un coefficient de transmission du vitrage qui passe alors de 5,7 W\/m<sup>2. K<\/sup> pour un simple vitrage \u00e0 0,6 W\/m<sup>2<\/sup>.K dans le cas d\u2019un tripe vitrage.\u00a0<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le facteur solaire, FS\u00a0 Le facteur solaire not\u00e9, FS, se d\u00e9finit comme le rapport entre le flux solaire re\u00e7u par le vitrage et la somme des \u00e9nergies solaires transmises.&nbsp; &nbsp;Un double vitrage standard \u00e0 isolation thermique renforc\u00e9e (ITR) peut facilement afficher un facteur solaire de 0,63. Autrement dit, une part de 63% de l\u2019\u00e9nergie solaire&hellip;&nbsp;<a href=\"https:\/\/communes-vertes.org\/ar\/reseaux-ee\/knowledge-hub\/batiments-municipaux\/rayonnement-solaire-a-travers-une-vitre\/\" rel=\"bookmark\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0632\u064a\u062f &raquo;<span class=\"screen-reader-text\">Rayonnement solaire \u00e0 travers une vitre\u00a0<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":2062,"menu_order":0,"template":"","meta":{"inline_featured_image":false,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"custom_type":[34,40,21],"class_list":["post-2061","reseaux-ee","type-reseaux-ee","status-publish","has-post-thumbnail","hentry","type-batiments-municipaux","type-fenetres","type-knowledge-hub"],"acf":[],"_links":{"self":[{"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/reseaux-ee\/2061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/reseaux-ee"}],"about":[{"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/types\/reseaux-ee"}],"author":[{"embeddable":true,"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":13,"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/reseaux-ee\/2061\/revisions"}],"predecessor-version":[{"id":2082,"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/reseaux-ee\/2061\/revisions\/2082"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/media\/2062"}],"wp:attachment":[{"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/media?parent=2061"}],"wp:term":[{"taxonomy":"type","embeddable":true,"href":"https:\/\/communes-vertes.org\/ar\/wp-json\/wp\/v2\/custom_type?post=2061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}