{"id":1118,"date":"2015-08-03T07:00:52","date_gmt":"2015-08-03T05:00:52","guid":{"rendered":"https:\/\/www.oreca-store.com\/blog\/a-quoi-sert-un-intercooler\/"},"modified":"2023-11-27T21:48:25","modified_gmt":"2023-11-27T20:48:25","slug":"a-quoi-sert-un-intercooler","status":"publish","type":"post","link":"https:\/\/www.oreca-store.com\/blog\/tutoriels-cat\/a-quoi-sert-un-intercooler\/","title":{"rendered":"A quoi sert un intercooler ?"},"content":{"rendered":"\n

L\u2019intercooler, aussi appel\u00e9 \u00e9changeur air\/air, est tr\u00e8s efficace pour augmenter la puissance du moteur de votre voiture. Il permet tout simplement d\u2019optimiser le fonctionnement des moteurs turbocompress\u00e9s en agissant sur la temp\u00e9rature de l\u2019air avant qu\u2019il n\u2019entre dans le bloc moteur.<\/strong><\/p>\n\n\n\n

\"intercooler\"<\/a><\/figure><\/div>\n\n\n\n

Comment fonctionne un intercooler ?<\/h2>\n\n\n\n

Plac\u00e9 au sein du circuit turbo, l’intercooler ou \u00e9changeur air\/air tient un r\u00f4le important en permettant \u00e0 la voiture de gagner en puissance. Pour comprendre son action, il faut donc d’abord s’int\u00e9resser au fonctionnement du turbocompresseur dans une voiture.<\/p>\n\n\n\n

L’action du turbo avant l’\u00e9changeur d’air<\/h3>\n\n\n\n

En sortie de moteur, la force d’\u00e9chappement des gaz parvient \u00e0 faire tourner la turbine du turbo et par extension la roue de compression qui est li\u00e9e la turbine par un axe.<\/p>\n\n\n\n

Au niveau de la roue de compression, arrive de l’air ext\u00e9rieur pr\u00e9alablement pass\u00e9 par le filtre \u00e0 air. C’est cet air que la roue de compression va, comme son nom l’indique, compresser dans l’admission du moteur pour envoyer in fine<\/em> un volume plus important d’oxyg\u00e8ne dans le moteur. Cela permet donc \u00e0 la voiture d’obtenir un gain de puissance.<\/p>\n\n\n\n

\"schema-fonctionnement-intercooler\"<\/a><\/figure><\/div>\n\n\n\n

Cependant, compresser l’air dans l’admission n’est pas le seul moyen d’augmenter la puissance de la voiture. C’est l\u00e0 que l’intercooler intervient. Le but recherch\u00e9 est toujours le m\u00eame : envoyer un maximum d’air dans le moteur ; mais le moyen change.<\/p>\n\n\n\n

Quel est le r\u00f4le de l’\u00e9changeur d’air au sein du circuit turbo ?<\/h3>\n\n\n\n

Comme indiqu\u00e9 pr\u00e9c\u00e9demment, le turbo compresse l\u2019air arrivant du filtre \u00e0 air, ce qui augmente la puissance et le couple du moteur. Mais ce gain de puissance n’est pas optimal. En effet, l’action du turbo augmente rapidement la temp\u00e9rature de l\u2019air dans l’admission (lorsqu’un gaz est compress\u00e9, il gagne en temp\u00e9rature). Or, plus l\u2019air est chaud, moins il est dense. Il se dilate en quelque sorte et son volume devient plus important. On peut donc admettre une quantit\u00e9 moins importante d’air dans le moteur.<\/p>\n\n\n\n

En installant un intercooler<\/strong><\/a>, on supprime cet effet n\u00e9gatif du turbo. L’\u00e9changeur d’air va permettre de refroidir l’air compress\u00e9<\/strong> et donc de densifier l\u2019air entrant dans le moteur (plus l’air est froid, moins son volume est important). On peut donc cette fois-ci en envoyer une quantit\u00e9 plus importante dans le moteur, ce qui se concr\u00e9tise par une meilleure combustion et une optimisation du rendement du moteur.<\/p>\n\n\n\n

Un intercooler permet-il de gagner en puissance ?<\/h2>\n\n\n\n

C’est pr\u00e9cis\u00e9ment le but de l’intercooler. En r\u00e9duisant la temp\u00e9rature de l’air compress\u00e9, on peut admettre davantage d’air dans le moteur et donc plus d’oxyg\u00e8ne, \u00e9l\u00e9ment n\u00e9cessaire \u00e0 la combustion.<\/p>\n\n\n\n

Par exemple, sur une PEUGEOT 207 RC, la temp\u00e9rature de l\u2019air compress\u00e9 peut \u00eatre r\u00e9duite jusqu\u2019\u00e0 20% selon le r\u00e9gime moteur, gr\u00e2ce \u00e0 l\u2019installation d\u2019un kit intercooler FORGE.<\/p>\n\n\n\n

\"courbe-intercooler\"<\/a><\/figure><\/div>\n\n\n\n

Selon le v\u00e9hicule et son niveau de pr\u00e9paration, l\u2019installation d\u2019un intercooler permet d\u2019obtenir jusqu\u2019\u00e0 20% de puissance en plus.<\/strong><\/p>\n\n\n\n

Quel intercooler choisir ?<\/h2>\n\n\n\n

Il existe plusieurs mod\u00e8le d’intercoolers disponibles sur le march\u00e9, certains \u00e9tant uniquement compatibles avec un certain mod\u00e8le de voiture, d’autres \u00e9tant universels.<\/p>\n\n\n\n

Les intercoolers Xtrem Motorsport, \u00e0 la pointe de la performance<\/h3>\n\n\n\n

La gamme d’\u00e9changeurs aluminium XTREM MOTORSPORT est le meilleur compromis entre poids et performance. L’alliage d’aluminium utilis\u00e9 pour la fabrication des \u00e9changeurs XTREM MOTORSPORT<\/a> provient de l’a\u00e9ronautique. Il est plus l\u00e9ger, plus robuste et permet de maximiser l’\u00e9change thermique. <\/p>\n\n\n\n

Les intercoolers FORGE universels, adaptables \u00e0 tous les v\u00e9hicules<\/h3>\n\n\n\n

Les intercoolers Forge en aluminium ont \u00e9t\u00e9 con\u00e7us pour am\u00e9liorer l\u2019efficacit\u00e9 et la puissance des moteurs turbocompress\u00e9s en r\u00e9duisant rapidement la temp\u00e9rature de l\u2019air d\u2019admission. Il en r\u00e9sulte une meilleure combustion et donc une am\u00e9lioration sensible des performances moteur.<\/p>\n\n\n\n

Ces \u00e9changeurs Forge<\/a> sont universels et peuvent \u00eatre install\u00e9s sur tous les mais il est tout de m\u00eame n\u00e9cessaire d’adapter votre circuit turbo pour les installer.<\/p>\n","protected":false},"excerpt":{"rendered":"

L\u2019intercooler, aussi appel\u00e9 \u00e9changeur air\/air, est tr\u00e8s efficace pour augmenter la puissance du moteur de votre voiture. Il permet tout simplement d\u2019optimiser le fonctionnement des moteurs turbocompress\u00e9s en agissant sur la temp\u00e9rature de l\u2019air avant qu\u2019il n\u2019entre dans le bloc moteur. Comment fonctionne un intercooler ? Plac\u00e9 au sein du circuit turbo, l’intercooler ou \u00e9changeur […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[14,7],"tags":[],"class_list":["post-1118","post","type-post","status-publish","format-standard","hentry","category-moteur","category-tutoriels"],"acf":[],"yoast_head":"\nA quoi sert un intercooler ?<\/title>\n<meta name=\"description\" content=\"A quoi sert un intercooler ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.oreca-store.com\/blog\/tutoriels-cat\/a-quoi-sert-un-intercooler\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A quoi sert un intercooler ?\" 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