{"id":176,"date":"2019-10-27T11:06:51","date_gmt":"2019-10-27T10:06:51","guid":{"rendered":"http:\/\/www.tuningfever.fr\/?p=176"},"modified":"2019-10-27T11:06:51","modified_gmt":"2019-10-27T10:06:51","slug":"le-fonctionnement-de-la-mecanique-automobile","status":"publish","type":"post","link":"https:\/\/www.tuningfever.fr\/le-fonctionnement-de-la-mecanique-automobile\/","title":{"rendered":"Le fonctionnement de la m\u00e9canique automobile"},"content":{"rendered":"<p>La voiture fait partie int\u00e9grante de notre vie moderne. On ne peut plus imaginer le quotidien sans une automobile, mais bien souvent, on ne sait m\u00eame pas vraiment comment elle fonctionne. Il serait peut-\u00eatre quand m\u00eame utile d&rsquo;en conna\u00eetre un rayon.<\/p>\n<p><!--more--><\/p>\n<h2>Le moteur en est le moteur&#8230;<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-178 alignleft\" src=\"http:\/\/www.tuningfever.fr\/wp-content\/uploads\/2019\/10\/mecanique1.png\" alt=\"\" width=\"181\" height=\"168\" srcset=\"https:\/\/www.tuningfever.fr\/wp-content\/uploads\/2019\/10\/mecanique1.png 402w, https:\/\/www.tuningfever.fr\/wp-content\/uploads\/2019\/10\/mecanique1-300x279.png 300w\" sizes=\"(max-width: 181px) 100vw, 181px\" \/>D&rsquo;abord, c&rsquo;est le moteur qui en est l&rsquo;\u00e9l\u00e9ment principal, dont les caract\u00e9ristiques sont d\u00e9finies par sa puissance qui s&rsquo;exprime en chevaux (Ch) ou en kilowatts (kW), puis par le couple moteur en newtons-m\u00e8tres (N.m). Le moteur est aussi d\u00e9fini par le rendement moteur qui est le rapport entre l&rsquo;\u00e9nergie potentielle du carburant inject\u00e9 dans le moteur et l&rsquo;\u00e9nergie effective qui est transform\u00e9e en \u00e9nergie m\u00e9canique permettant au v\u00e9hicule de rouler. Ce rendement est environ de 30 %, ce qui veut dire que, par exemples, sur 10 litres d&rsquo;essence dans le moteur, seuls 3 litres font mouvoir le v\u00e9hicule, le reste par en chaleur ou en gaz d&rsquo;\u00e9chappement.<\/p>\n<h2>Moteur thermique ou moteur \u00e9lectrique ?<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-179 alignleft\" src=\"http:\/\/www.tuningfever.fr\/wp-content\/uploads\/2019\/10\/mecanique2.png\" alt=\"\" width=\"277\" height=\"153\" srcset=\"https:\/\/www.tuningfever.fr\/wp-content\/uploads\/2019\/10\/mecanique2.png 385w, https:\/\/www.tuningfever.fr\/wp-content\/uploads\/2019\/10\/mecanique2-300x166.png 300w\" sizes=\"(max-width: 277px) 100vw, 277px\" \/>Pour faire fonctionner un moteur, il existe 2 types d&rsquo;\u00e9nergie : l&rsquo;\u00e9nergie thermique et l&rsquo;\u00e9nergie \u00e9lectrique. La premi\u00e8re, c&rsquo;est-\u00e0-dire l&rsquo;\u00e9nergie thermique concerne \u00e0 peu pr\u00e8s tous les v\u00e9hicules modernes. Il s&rsquo;agit d&rsquo;un syst\u00e8me qui transforme l&rsquo;\u00e9nergie chimique en \u00e9nergie calorifique qui, \u00e0 son tour, est transform\u00e9e en force faisant mouvoir le piston moteur qui, lui, transmet le mouvement jusqu&rsquo;aux roues du v\u00e9hicule. Quant \u00e0 l&rsquo;\u00e9nergie \u00e9lectrique, c&rsquo;est l&rsquo;\u00e9nergie de demain, celle de l&rsquo;avenir. Le concept de l&rsquo;\u00e9nergie \u00e9lectrique est de fournir de l&rsquo;\u00e9lectricit\u00e9 pour alimenter le moteur \u00e9lectrique d&rsquo;une voiture. Bien que les voitures fonctionnant \u00e0 l&rsquo;\u00e9lectricit\u00e9 existent d\u00e9j\u00e0, elles sont encore trop peu nombreuses aujourd&rsquo;hui. C&rsquo;est l&rsquo;alimentation \u00e9lectrique par batteries que l&rsquo;on arrive \u00e0 ma\u00eetriser actuellement. Ces batteries se d\u00e9chargent lorsqu&rsquo;on acc\u00e9l\u00e8re et elles se rechargent lorsqu&rsquo;on freine, l&rsquo;\u00e9nergie cin\u00e9tique de la voiture se transformant alors en \u00e9nergie \u00e9lectrique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La voiture fait partie int\u00e9grante de notre vie moderne. On ne peut plus imaginer le&#8230;<\/p>\n","protected":false},"author":1,"featured_media":177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le fonctionnement de la m\u00e9canique automobile - tuningfever<\/title>\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.tuningfever.fr\/le-fonctionnement-de-la-mecanique-automobile\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le fonctionnement de la m\u00e9canique automobile - tuningfever\" \/>\n<meta property=\"og:description\" content=\"La voiture fait partie int\u00e9grante de notre vie moderne. 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