{"id":45687,"date":"2019-10-20T00:03:33","date_gmt":"2019-10-19T23:03:33","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-lirreversibilite-des-processus-naturels-definition\/"},"modified":"2020-02-25T19:56:20","modified_gmt":"2020-02-25T18:56:20","slug":"quest-ce-que-lirreversibilite-des-processus-naturels-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lirreversibilite-des-processus-naturels-definition\/","title":{"rendered":"Qu&#8217;est-ce que l&#8217;irr\u00e9versibilit\u00e9 des processus naturels &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Cette loi indique l&#8217;irr\u00e9versibilit\u00e9 des processus naturels.\u00a0Les processus r\u00e9versibles sont une fiction th\u00e9orique utile et pratique, mais ne se produisent pas dans la nature.\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>Irr\u00e9versibilit\u00e9 des processus naturels<\/h2>\n<p><strong>Selon le deuxi\u00e8me principe de la thermodynamique:<\/strong><\/p>\n<p><em>L&#8217;entropie de tout syst\u00e8me isol\u00e9 ne diminue jamais.\u00a0Dans un processus thermodynamique naturel, la somme des entropies des syst\u00e8mes thermodynamiques en interaction augmente. \u00a0<\/em><\/p>\n<p>Cette loi indique l&#8217;\u00a0<strong>irr\u00e9versibilit\u00e9<\/strong>\u00a0des\u00a0<strong>processus naturels<\/strong>\u00a0.\u00a0Les processus r\u00e9versibles sont une fiction th\u00e9orique utile et pratique, mais ne se produisent pas dans la nature.\u00a0Il d\u00e9coule de cette loi qu&#8217;il est impossible de construire un dispositif qui fonctionne sur un cycle et dont le seul effet est le transfert de chaleur d&#8217;un corps plus froid \u00e0 un corps plus chaud.\u00a0Il s&#8217;ensuit que les machines \u00e0 mouvement perp\u00e9tuel du second type sont impossibles.<\/p>\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-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-content su-clearfix\">\n<p>&nbsp;<\/p>\n<\/div>\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<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cette loi indique l&#8217;irr\u00e9versibilit\u00e9 des processus naturels.\u00a0Les processus r\u00e9versibles sont une fiction th\u00e9orique utile et pratique, mais ne se produisent pas dans la nature.\u00a0G\u00e9nie thermique Irr\u00e9versibilit\u00e9 des processus naturels Selon le deuxi\u00e8me principe de la thermodynamique: L&#8217;entropie de tout syst\u00e8me isol\u00e9 ne diminue jamais.\u00a0Dans un processus thermodynamique naturel, la somme des entropies des syst\u00e8mes thermodynamiques &#8230; <a title=\"Qu&#8217;est-ce que l&#8217;irr\u00e9versibilit\u00e9 des processus naturels &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lirreversibilite-des-processus-naturels-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que l&#8217;irr\u00e9versibilit\u00e9 des processus naturels &#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>Qu&#039;est-ce que l&#039;irr\u00e9versibilit\u00e9 des processus naturels - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Cette loi indique l&#039;irr\u00e9versibilit\u00e9 des processus naturels. 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