{"id":45541,"date":"2019-10-18T10:03:59","date_gmt":"2019-10-18T09:03:59","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/"},"modified":"2020-02-25T10:56:39","modified_gmt":"2020-02-25T09:56:39","slug":"quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/","title":{"rendered":"Qu&#8217;est-ce que Clausius? D\u00e9claration de le deuxi\u00e8me principe &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">D\u00e9claration de Clausius sur le deuxi\u00e8me principe de la thermodynamique.\u00a0&#8220;Il est impossible de construire un appareil 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&#8221;.\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>Diverses d\u00e9clarations de la loi<\/h2>\n<p>La\u00a0<strong>deuxi\u00e8me loi de la thermodynamique<\/strong>\u00a0peut \u00eatre exprim\u00e9e de nombreuses mani\u00e8res sp\u00e9cifiques.\u00a0Chaque d\u00e9claration exprime la m\u00eame loi.\u00a0Ci-dessous sont \u00e9num\u00e9r\u00e9s trois qui sont souvent rencontr\u00e9s.<\/p>\n<ul>\n<li><a title=\"D\u00e9claration de Clausius de le deuxi\u00e8me principe\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/laws-of-thermodynamics\/second-law-of-thermodynamics\/clausius-statement-of-the-second-law\/\">D\u00e9claration de Clausius<\/a><\/li>\n<li><a title=\"D\u00e9claration de Kelvin-Planck sur le deuxi\u00e8me principe\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/laws-of-thermodynamics\/second-law-of-thermodynamics\/kelvin-planck-statement-of-the-second-law\/\">D\u00e9claration de Kelvin-Planck<\/a><\/li>\n<li><a title=\"L'entropie et le deuxi\u00e8me principe de la thermodynamique\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/laws-of-thermodynamics\/second-law-of-thermodynamics\/entropy-and-the-second-law-of-thermodynamics\/\">Entropie et le deuxi\u00e8me principe<\/a><\/li>\n<\/ul>\n<p>Avant ces d\u00e9clarations, il faut rappeler le travail d&#8217;\u00a0\u00a0un ing\u00e9nieur et physicien fran\u00e7ais,\u00a0<strong>Nicolas L\u00e9onard Sadi Carnot a fait<\/strong>\u00a0avancer l&#8217;\u00e9tude de le deuxi\u00e8me principe en formant un principe (\u00a0\u00e9galement appel\u00e9\u00a0<strong>r\u00e8gle de Carnot\u00a0<\/strong>) qui pr\u00e9cise les limites de l&#8217;efficacit\u00e9 maximale que tout moteur thermique peut obtenir .<\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h2><span>D\u00e9claration de Clausius de le deuxi\u00e8me principe<\/span><\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/clausius-statement-second-law.png\"><img loading=\"lazy\" class=\"alignright size-full wp-image-16898 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/clausius-statement-second-law.png\" alt=\"D\u00e9claration de Clausius de le deuxi\u00e8me principe\" width=\"223\" height=\"329\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/clausius-statement-second-law.png\" \/><\/a><span>L&#8217;une des premi\u00e8res d\u00e9clarations de le deuxi\u00e8me principe de la thermodynamique a \u00e9t\u00e9 faite par\u00a0<\/span><strong><span>R. Clausius en 1850<\/span><\/strong><span>\u00a0.\u00a0Il a d\u00e9clar\u00e9 ce qui suit.<\/span><\/p>\n<p><em><span>\u00abIl est impossible de construire un appareil qui fonctionne sur un cycle et dont le seul effet est le transfert de chaleur d&#8217;un corps plus froid vers un corps plus chaud\u00bb.<\/span><\/em><\/p>\n<p><strong><span>La chaleur ne peut pas circuler spontan\u00e9ment<\/span><\/strong><span>\u00a0du syst\u00e8me froid au syst\u00e8me chaud sans qu&#8217;un travail externe soit effectu\u00e9 sur le syst\u00e8me.\u00a0C&#8217;est exactement ce que les r\u00e9frig\u00e9rateurs et les pompes \u00e0 chaleur accomplissent.\u00a0Dans un r\u00e9frig\u00e9rateur, la chaleur passe du froid au chaud, mais uniquement lorsqu&#8217;ils sont forc\u00e9s par un travail ext\u00e9rieur, les r\u00e9frig\u00e9rateurs sont entra\u00een\u00e9s par des moteurs \u00e9lectriques n\u00e9cessitant un travail de leur environnement pour fonctionner.<\/span><\/p>\n<p><span>Il a \u00e9t\u00e9 d\u00e9montr\u00e9 que les d\u00e9clarations Clausius et Kelvin-Planck sont \u00e9quivalentes.<\/span><\/p>\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<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>D\u00e9claration de Clausius sur le deuxi\u00e8me principe de la thermodynamique.\u00a0&#8220;Il est impossible de construire un appareil 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&#8221;.\u00a0G\u00e9nie thermique Diverses d\u00e9clarations de la loi La\u00a0deuxi\u00e8me loi de la thermodynamique\u00a0peut \u00eatre exprim\u00e9e de nombreuses &#8230; <a title=\"Qu&#8217;est-ce que Clausius? D\u00e9claration de le deuxi\u00e8me principe &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que Clausius? D\u00e9claration de le deuxi\u00e8me principe &#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 Clausius? D\u00e9claration de la deuxi\u00e8me loi - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"D\u00e9claration de Clausius sur la deuxi\u00e8me loi de la thermodynamique. &quot;Il est impossible de construire un appareil qui fonctionne sur un cycle et dont le seul effet est le transfert de chaleur d&#039;un corps plus froid \u00e0 un corps plus chaud&quot;. G\u00e9nie thermique\" \/>\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.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce que Clausius? D\u00e9claration de la deuxi\u00e8me loi - D\u00e9finition\" \/>\n<meta property=\"og:description\" content=\"D\u00e9claration de Clausius sur la deuxi\u00e8me loi de la thermodynamique. &quot;Il est impossible de construire un appareil qui fonctionne sur un cycle et dont le seul effet est le transfert de chaleur d&#039;un corps plus froid \u00e0 un corps plus chaud&quot;. G\u00e9nie thermique\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-18T09:03:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-02-25T09:56:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/clausius-statement-second-law.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture est.\">\n\t<meta name=\"twitter:data2\" content=\"2 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal Engineering\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.thermal-engineering.org\/fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/#primaryimage\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/clausius-statement-second-law.png\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/\",\"name\":\"Qu'est-ce que Clausius? D\\u00e9claration de la deuxi\\u00e8me loi - D\\u00e9finition\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/#primaryimage\"},\"datePublished\":\"2019-10-18T09:03:59+00:00\",\"dateModified\":\"2020-02-25T09:56:39+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"D\\u00e9claration de Clausius sur la deuxi\\u00e8me loi de la thermodynamique. \\\"Il est impossible de construire un appareil qui fonctionne sur un cycle et dont le seul effet est le transfert de chaleur d'un corps plus froid \\u00e0 un corps plus chaud\\\". G\\u00e9nie thermique\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-clausius-declaration-de-la-deuxieme-loi-definition\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/posts\/45541"}],"collection":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/comments?post=45541"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/posts\/45541\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/media?parent=45541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/categories?post=45541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/tags?post=45541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}