{"id":44444,"date":"2019-10-15T11:00:47","date_gmt":"2019-10-15T10:00:47","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-reverse-brayton-cycle-cycle-de-refrigeration-brayton-definition\/"},"modified":"2021-06-01T08:41:28","modified_gmt":"2021-06-01T07:41:28","slug":"quest-ce-que-reverse-brayton-cycle-cycle-de-refrigeration-brayton-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-reverse-brayton-cycle-cycle-de-refrigeration-brayton-definition\/","title":{"rendered":"Qu&#8217;est-ce que cycle de Brayton invers\u00e9 &#8211; Cycle de r\u00e9frig\u00e9ration Brayton &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Le cycle de Brayton invers\u00e9 est similaire au cycle de Brayton ordinaire, mais il est entra\u00een\u00e9 en sens inverse, via une entr\u00e9e nette.\u00a0Ce cycle est \u00e9galement appel\u00e9 cycle de r\u00e9frig\u00e9ration au gaz ou cycle de Bell Coleman.\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>Pompe \u00e0 chaleur &#8211; Comment \u00e7a marche<\/h2>\n<figure id=\"attachment_18074\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-18074\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Heat-Pump-Heating-and-Air-Conditioning.png\"><img loading=\"lazy\" class=\"size-medium wp-image-18074 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Heat-Pump-Heating-and-Air-Conditioning-267x300.png\" alt=\"Pompe \u00e0 chaleur - Chauffage et climatisation\" width=\"267\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Heat-Pump-Heating-and-Air-Conditioning-267x300.png\" \/><\/a><figcaption id=\"caption-attachment-18074\" class=\"wp-caption-text\">Pompe \u00e0 chaleur, r\u00e9frig\u00e9rateur, climatiseur &#8211; principe de fonctionnement de base<\/figcaption><\/figure>\n<p>Le terme\u00a0<strong>pompe \u00e0 chaleur<\/strong>\u00a0est g\u00e9n\u00e9ralement r\u00e9serv\u00e9 \u00e0 un appareil qui peut chauffer une maison en hiver en utilisant un moteur \u00e9lectrique qui fonctionne W pour prendre la chaleur\u00a0<strong>Q\u00a0<sub>froide<\/sub><\/strong>\u00a0de l&#8217;ext\u00e9rieur \u00e0 basse temp\u00e9rature et fournit de la chaleur\u00a0<strong>Q\u00a0<sub>chaude<\/sub><\/strong>\u00a0\u00e0 l&#8217;int\u00e9rieur plus chaud de la maison.<\/p>\n<p>Le principe de fonctionnement des\u00a0<strong>r\u00e9frig\u00e9rateurs<\/strong>\u00a0,\u00a0<strong>des climatiseurs<\/strong>\u00a0et\u00a0<strong>des pompes \u00e0 chaleur<\/strong>\u00a0est\u00a0<strong>le m\u00eame<\/strong>\u00a0et c&#8217;est l&#8217;\u00a0<strong>inverse<\/strong>\u00a0du\u00a0<a title=\"Moteurs de chaleur\" href=\"https:\/\/www.thermal-engineering.org\/what-is-heat-engine-definition\/\"><strong>moteur thermique<\/strong><\/a>\u00a0.\u00a0En g\u00e9n\u00e9ral, une\u00a0<strong>pompe \u00e0 chaleur<\/strong>\u00a0est un dispositif qui transf\u00e8re l&#8217;\u00a0\u00e9nergie thermique \u00e0\u00a0partir d&#8217;\u00a0une\u00a0<strong>source de chaleur<\/strong>\u00a0\u00e0 un \u00ab\u00a0<strong>puits de chaleur<\/strong>\u00a0\u00ab , mais dans ce cas le transfert a\u00a0lieu dans la direction oppos\u00e9e de transfert de chaleur spontan\u00e9e par\u00a0<strong>absorption de\u00a0chaleur<\/strong>\u00a0\u00e0 partir d&#8217;\u00a0un\u00a0<strong>espace froid<\/strong>\u00a0et de le\u00a0<strong>rel\u00e2cher<\/strong>\u00a0\u00e0 un\u00a0<strong>plus chaud<\/strong>.\u00a0Comme le montre la figure, en effectuant un travail externe W, la chaleur provient d&#8217;une r\u00e9gion \u00e0 basse temp\u00e9rature (source de chaleur) et une plus grande quantit\u00e9 de chaleur est \u00e9vacu\u00e9e \u00e0 une temp\u00e9rature plus \u00e9lev\u00e9e (puits de chaleur).<\/p>\n<p>Le cycle thermodynamique ou la m\u00e9thode la plus largement utilis\u00e9e pour le chauffage, la climatisation, les r\u00e9frig\u00e9rateurs et les pompes \u00e0 chaleur est le\u00a0<strong>cycle de compression de vapeur<\/strong>\u00a0.\u00a0Mais le\u00a0<strong>cycle de Brayton<\/strong> peut \u00e9galement \u00eatre utilis\u00e9 pour piloter les pompes \u00e0 chaleur.<\/p>\n<\/div>\n<\/div>\n<h2><span>Cycle invers\u00e9 de Brayton &#8211; Cycle de r\u00e9frig\u00e9ration de Brayton<\/span><\/h2>\n<figure id=\"attachment_17683\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-17683\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/reverse-Brayton-cycle-cooling-and-heat-pumps-min.png\"><img loading=\"lazy\" class=\"size-medium wp-image-17683 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/reverse-Brayton-cycle-cooling-and-heat-pumps-min-259x300.png\" alt=\"cycle de Brayton invers\u00e9 - pompes de refroidissement et de chaleur\" width=\"259\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/reverse-Brayton-cycle-cooling-and-heat-pumps-min-259x300.png\" \/><\/a><figcaption id=\"caption-attachment-17683\" class=\"wp-caption-text\"><span>cycle de Brayton invers\u00e9<\/span><\/figcaption><\/figure>\n<p><span>En g\u00e9n\u00e9ral, le\u00a0<\/span><strong><span>cycle de Brayton<\/span><\/strong><span>\u00a0d\u00e9crit le fonctionnement d&#8217;un\u00a0<\/span><strong><span>moteur thermique \u00e0 pression constante<\/span><\/strong><span>\u00a0.\u00a0Aujourd&#8217;hui,\u00a0<\/span><strong><span>les moteurs \u00e0 turbine \u00e0 gaz modernes<\/span><\/strong><span>\u00a0et\u00a0<\/span><strong><span>les moteurs \u00e0 r\u00e9action \u00e0 respiration a\u00e9rodynamique<\/span><\/strong><span>\u00a0sont \u00e9galement des moteurs thermiques \u00e0 pression constante.<\/span><\/p>\n<p><span>Un\u00a0<\/span><a title=\"Cycle de Brayton - Moteur \u00e0 turbine \u00e0 gaz\" href=\"https:\/\/www.thermal-engineering.org\/what-is-brayton-cycle-gas-turbine-engine-definition\/\"><strong><span>cycle de Brayton<\/span><\/strong><\/a><span>\u00a0entra\u00een\u00e9 en sens inverse est appel\u00e9\u00a0<\/span><strong><span>cycle de Brayton invers\u00e9<\/span><\/strong><span>\u00a0.\u00a0Son but est de d\u00e9placer la chaleur d&#8217;un corps plus froid vers un corps plus chaud, plut\u00f4t que de produire du travail.\u00a0Conform\u00e9ment \u00e0 la deuxi\u00e8me loi de la thermodynamique, la\u00a0<\/span><strong><span>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.\u00a0La chaleur peut circuler d&#8217;un corps plus froid vers un corps plus chaud, mais\u00a0<\/span><strong><span>uniquement lorsqu&#8217;elle est forc\u00e9e par un travail ext\u00e9rieur<\/span><\/strong><span>.\u00a0C&#8217;est exactement ce que les r\u00e9frig\u00e9rateurs et les pompes \u00e0 chaleur accomplissent.\u00a0Ceux-ci sont entra\u00een\u00e9s par des moteurs \u00e9lectriques n\u00e9cessitant un travail de leur environnement pour fonctionner.\u00a0L&#8217;un des cycles possibles est un cycle de Brayton invers\u00e9, qui est similaire au cycle Brayton ordinaire mais il est entra\u00een\u00e9 en sens inverse, via une entr\u00e9e de travail nette.\u00a0Ce cycle est \u00e9galement connu sous le nom de cycle de r\u00e9frig\u00e9ration au gaz ou cycle de Bell Coleman.\u00a0Ce type de cycle est largement utilis\u00e9 dans les avions \u00e0 r\u00e9action pour les syst\u00e8mes de climatisation utilisant l&#8217;air des compresseurs du moteur.\u00a0Il est \u00e9galement largement utilis\u00e9 dans l&#8217;industrie du GNL o\u00f9 le plus grand cycle invers\u00e9 de Brayton est pour le sous-refroidissement du GNL en utilisant 86 MW de puissance provenant d&#8217;un compresseur entra\u00een\u00e9 par turbine \u00e0 gaz et d&#8217;un r\u00e9frig\u00e9rant \u00e0 l&#8217;azote.<\/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>\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 cycle de Brayton invers\u00e9 est similaire au cycle de Brayton ordinaire, mais il est entra\u00een\u00e9 en sens inverse, via une entr\u00e9e nette.\u00a0Ce cycle est \u00e9galement appel\u00e9 cycle de r\u00e9frig\u00e9ration au gaz ou cycle de Bell Coleman.\u00a0G\u00e9nie thermique Pompe \u00e0 chaleur &#8211; Comment \u00e7a marche Pompe \u00e0 chaleur, r\u00e9frig\u00e9rateur, climatiseur &#8211; principe de fonctionnement de &#8230; <a title=\"Qu&#8217;est-ce que cycle de Brayton invers\u00e9 &#8211; Cycle de r\u00e9frig\u00e9ration Brayton &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-reverse-brayton-cycle-cycle-de-refrigeration-brayton-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que cycle de Brayton invers\u00e9 &#8211; Cycle de r\u00e9frig\u00e9ration Brayton &#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 cycle de Brayton invers\u00e9 - Cycle de r\u00e9frig\u00e9ration Brayton - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Le cycle de Brayton invers\u00e9 est similaire au cycle de Brayton ordinaire, mais il est entra\u00een\u00e9 en sens inverse, via une entr\u00e9e nette. 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