{"id":45272,"date":"2019-10-17T22:15:13","date_gmt":"2019-10-17T21:15:13","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quel-est-le-principe-de-carnot-la-regle-de-carnot-definition\/"},"modified":"2020-02-23T16:15:37","modified_gmt":"2020-02-23T15:15:37","slug":"quel-est-le-principe-de-carnot-la-regle-de-carnot-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quel-est-le-principe-de-carnot-la-regle-de-carnot-definition\/","title":{"rendered":"Quel est le principe de Carnot &#8211; La r\u00e8gle de Carnot &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Le principe ou la r\u00e8gle de Carnot sp\u00e9cifie les limites d&#8217;efficacit\u00e9 maximale qu&#8217;un moteur thermique peut obtenir.\u00a0Aucun moteur ne peut \u00eatre plus efficace qu&#8217;un moteur thermique Carnot.\u00a0G\u00e9nie thermique<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Principe de Carnot &#8211; La r\u00e8gle de Carnot<\/h2>\n<p>En 1824,\u00a0<strong>Nicolas L\u00e9onard Sadi Carnot<\/strong>\u00a0, ing\u00e9nieur et physicien fran\u00e7ais, a\u00a0approfondi l&#8217;\u00e9tude de le deuxi\u00e8me principe en formant un principe (\u00e9galement appel\u00e9\u00a0<strong>r\u00e8gle de Carnot<\/strong>\u00a0) qui d\u00e9finit les limites d&#8217;\u00a0<strong>efficacit\u00e9 maximum qu&#8217;un moteur thermique<\/strong>\u00a0peut obtenir.\u00a0En r\u00e9sum\u00e9,\u00a0<strong>le principe de Carnot<\/strong>\u00a0\u00a0stipule que l&#8217;\u00a0<strong>efficacit\u00e9 d&#8217;un cycle thermodynamique<\/strong>\u00a0d\u00e9pend uniquement de la diff\u00e9rence entre les r\u00e9servoirs de temp\u00e9rature chaud et froid.<\/p>\n<p><strong>Le principe de Carnot est le suivant:<\/strong><\/p>\n<ol>\n<li>Aucun moteur ne peut \u00eatre plus efficace qu&#8217;un moteur r\u00e9versible (\u00a0<strong>un moteur thermique Carnot<\/strong>\u00a0) fonctionnant entre les m\u00eames r\u00e9servoirs \u00e0 haute et \u00e0 basse temp\u00e9rature.<\/li>\n<li>Les rendements de tous les moteurs r\u00e9versibles (moteurs\u00a0<strong>thermiques Carnot<\/strong>\u00a0) fonctionnant entre les m\u00eames r\u00e9servoirs \u00e0 temp\u00e9rature constante sont les m\u00eames, quel que soit le principe actif utilis\u00e9 ou les d\u00e9tails du fonctionnement.<\/li>\n<\/ol>\n<h2><strong><b>Efficacit\u00e9 Carnot<\/b><\/strong><\/h2>\n<p>La formule pour cette efficacit\u00e9 maximale est:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/carnot-efficiency-equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-16897 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/carnot-efficiency-equation.png\" alt=\"Formule d'efficacit\u00e9 Carnot\" width=\"369\" height=\"91\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/carnot-efficiency-equation.png\" \/><\/a><\/p>\n<p>o\u00f9:<\/p>\n<ul>\n<li>est l\u2019efficacit\u00e9 du cycle Carnot, c\u2019est-\u00e0-dire le rapport\u00a0<strong>= W \/ Q\u00a0<\/strong><strong><sub>H<\/sub><\/strong>\u00a0du travail effectu\u00e9 par le moteur sur l\u2019\u00e9nergie thermique entrant dans le syst\u00e8me \u00e0 partir du r\u00e9servoir chaud.<\/li>\n<li><strong>T\u00a0<sub>C<\/sub><\/strong>\u00a0est la temp\u00e9rature absolue (Kelvins) du r\u00e9servoir d&#8217;eau froide,<\/li>\n<li>T\u00a0<sub>H<\/sub>\u00a0est la temp\u00e9rature absolue (Kelvins) du r\u00e9servoir chaud.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-accordion\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<\/div>\n<\/div>\n<div tabindex=\"0\" role=\"button\">\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Cet article est bas\u00e9 sur la traduction automatique de l&#8217;article original en anglais. Pour plus d&#8217;informations, voir l&#8217;article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l&#8217;adresse: translations@nuclear-power.com ou remplissez le formulaire de traduction en ligne. Nous appr\u00e9cions votre aide, nous mettrons \u00e0 jour la traduction le plus rapidement possible. Merci<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le principe ou la r\u00e8gle de Carnot sp\u00e9cifie les limites d&#8217;efficacit\u00e9 maximale qu&#8217;un moteur thermique peut obtenir.\u00a0Aucun moteur ne peut \u00eatre plus efficace qu&#8217;un moteur thermique Carnot.\u00a0G\u00e9nie thermique Principe de Carnot &#8211; La r\u00e8gle de Carnot En 1824,\u00a0Nicolas L\u00e9onard Sadi Carnot\u00a0, ing\u00e9nieur et physicien fran\u00e7ais, a\u00a0approfondi l&#8217;\u00e9tude de le deuxi\u00e8me principe en formant un principe &#8230; <a title=\"Quel est le principe de Carnot &#8211; La r\u00e8gle de Carnot &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quel-est-le-principe-de-carnot-la-regle-de-carnot-definition\/\" aria-label=\"En savoir plus sur Quel est le principe de Carnot &#8211; La r\u00e8gle de Carnot &#8211; D\u00e9finition\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quel est le principe de Carnot - La r\u00e8gle de Carnot - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Le principe ou la r\u00e8gle de Carnot sp\u00e9cifie les limites d\u2019efficacit\u00e9 maximale que tout moteur thermique peut obtenir. 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