{"id":44941,"date":"2019-10-17T00:41:03","date_gmt":"2019-10-16T23:41:03","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-le-cycle-ericsson-theorie-et-efficacite-definition\/"},"modified":"2021-05-28T20:18:57","modified_gmt":"2021-05-28T19:18:57","slug":"quest-ce-que-le-cycle-ericsson-theorie-et-efficacite-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-cycle-ericsson-theorie-et-efficacite-definition\/","title":{"rendered":"Qu&#8217;est-ce que le Cycle d&#8217;Ericsson &#8211; Th\u00e9orie et efficacit\u00e9 &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Premier et deuxi\u00e8me Cycle d&#8217;Ericsson &#8211; Th\u00e9orie et efficacit\u00e9. Le Cycle d&#8217;Ericsson est un cycle thermodynamique nomm\u00e9 d&#8217;apr\u00e8s l&#8217;inventeur am\u00e9ricano-su\u00e9dois John Ericsson. G\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>Cycle Ericsson<\/h2>\n<figure id=\"attachment_17739\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-17739\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Ericsson-Cycle-Ts-Diagram.png\"><img loading=\"lazy\" class=\"size-medium wp-image-17739 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Ericsson-Cycle-Ts-Diagram-300x244.png\" alt=\"Cycle Ericsson - Diagramme Ts\" width=\"300\" height=\"244\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Ericsson-Cycle-Ts-Diagram-300x244.png\" \/><\/a><figcaption id=\"caption-attachment-17739\" class=\"wp-caption-text\">Cycle Ericsson &#8211; Diagramme Ts<\/figcaption><\/figure>\n<p>Le\u00a0<strong>cycle Ericsson<\/strong>\u00a0doit son nom \u00e0 l&#8217;inventeur am\u00e9ricano-su\u00e9dois\u00a0<strong>John Ericsson<\/strong>\u00a0, qui a con\u00e7u et construit de nombreux moteurs thermiques uniques bas\u00e9s sur divers cycles thermodynamiques.\u00a0Il est \u00e0 l&#8217;origine de l&#8217;invention de deux cycles de moteur thermique uniques et du d\u00e9veloppement de moteurs pratiques bas\u00e9s sur ces cycles.<\/p>\n<p>Son premier cycle thermodynamique, \u00ab\u00a0<strong>le premier cycle Ericsson<\/strong>\u00a0\u00bb, s\u2019appelle d\u00e9sormais \u00ab\u00a0<a title=\"Brayton Cycle - Moteur \u00e0 turbine \u00e0 gaz\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-brayton-cycle-moteur-a-turbine-a-gaz-definition\/\">cycle Brayton<\/a>\u00a0\u00bb, c\u2019est en fait le cycle ferm\u00e9 de Brayton, qui est couramment appliqu\u00e9 aux moteurs \u00e0 turbine \u00e0 gaz \u00e0 cycle ferm\u00e9 modernes.<\/p>\n<p>Le\u00a0<strong>deuxi\u00e8me cycle Ericsson<\/strong>\u00a0est ce qu&#8217;on appelle maintenant le cycle Ericsson.\u00a0Le deuxi\u00e8me cycle Ericsson est similaire au cycle Brayton, mais utilise de la chaleur externe et int\u00e8gre l&#8217;\u00a0<strong>utilisation multiple<\/strong>\u00a0d&#8217;un\u00a0<a title=\"Cycle de Brayton avec r\u00e9chauffage, r\u00e9g\u00e9n\u00e9ration et refroidissement interm\u00e9diaire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-cycles\/brayton-cycle-gas-turbine-engine\/brayton-cycle-with-reheat-regeneration-and-intercooling\/\"><strong>refroidissement interm\u00e9diaire<\/strong><\/a>\u00a0et d&#8217;un\u00a0<a title=\"Cycle de Brayton avec r\u00e9chauffage, r\u00e9g\u00e9n\u00e9ration et refroidissement interm\u00e9diaire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-cycles\/brayton-cycle-gas-turbine-engine\/brayton-cycle-with-reheat-regeneration-and-intercooling\/\"><strong>r\u00e9chauffage<\/strong><\/a>\u00a0.\u00a0En fait, cela ressemble \u00e0 un cycle de Brayton avec un nombre infini d&#8217;\u00e9tapes de r\u00e9chauffage et de refroidissement interm\u00e9diaire dans le cycle.\u00a0Par rapport au cycle de Brayton, qui utilise\u00a0<strong>la compression<\/strong>\u00a0et l&#8217;\u00a0<strong>expansion\u00a0<\/strong><strong>adiabatiques<\/strong>\u00a0, un cycle Ericsson id\u00e9al consiste en des\u00a0processus de\u00a0<a title=\"Processus isothermique\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quel-est-le-processus-isothermique-definition\/\"><strong>compression<\/strong>\u00a0<\/a>et d&#8217;\u00a0<strong>expansion\u00a0<\/strong><a title=\"Isothermal Process\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quel-est-le-processus-isothermique-definition\/\"><strong>isothermes<\/strong><\/a>\u00a0, associ\u00e9s \u00e0 une r\u00e9g\u00e9n\u00e9ration de chaleur isobare entre eux.\u00a0L&#8217;application de refroidissement interm\u00e9diaire, la r\u00e9g\u00e9n\u00e9ration de la chaleur et la combustion s\u00e9quentielle augmentent consid\u00e9rablement<strong>efficacit\u00e9 thermique<\/strong>\u00a0d\u2019une turbine, en fait, l\u2019efficacit\u00e9 thermique du cycle id\u00e9al Ericsson est \u00e9gale \u00e0 l\u2019\u00a0<a title=\"Efficacit\u00e9 Carnot - Efficacit\u00e9 du moteur thermique Carnot\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/laws-of-thermodynamics\/second-law-of-thermodynamics\/carnot-efficiency-efficiency-of-carnot-heat-engine\/\">efficacit\u00e9 Carnot<\/a>\u00a0.<\/p>\n<p>On suppose (dans un cas id\u00e9al) que chaque refroidisseur interm\u00e9diaire\u00a0ram\u00e8ne le fluide de\u00a0travail \u00e0 la temp\u00e9rature ambiante\u00a0<strong>T\u00a0<sub>1<\/sub><\/strong>\u00a0et que chaque r\u00e9chauffeur r\u00e9chauffe le fluide de travail \u00e0 la temp\u00e9rature\u00a0<strong>T\u00a0<sub>3<\/sub><\/strong>\u00a0.\u00a0Le r\u00e9g\u00e9n\u00e9rateur est efficace \u00e0 100% et permet d\u2019obtenir l\u2019apport de chaleur pour le processus\u00a0<strong>2 \u2192 3<\/strong>\u00a0\u00e0 partir de la chaleur rejet\u00e9e dans le processus\u00a0<strong>4 \u2192 1<\/strong>\u00a0.\u00a0Comme il n&#8217;est pas n\u00e9cessaire de transf\u00e9rer de la chaleur (Q\u00a0<sub>add<\/sub>\u00a0) dans le processus 2 \u2192 3, toute la chaleur ajout\u00e9e de l&#8217;ext\u00e9rieur se produirait dans les r\u00e9chauffeurs et toute la chaleur rejet\u00e9e dans l&#8217;environnement se produirait dans les refroidisseurs interm\u00e9diaires.\u00a0Comme on peut le voir sur la photo, dans ce cas, toute la chaleur ajout\u00e9e se produirait lorsque le fluide de travail est \u00e0 sa\u00a0<strong>temp\u00e9rature la plus \u00e9lev\u00e9e<\/strong>\u00a0, T\u00a0<sub>3<\/sub>et toute la chaleur rejet\u00e9e aurait lieu lorsque le fluide de travail est \u00e0 sa\u00a0<strong>temp\u00e9rature la plus basse<\/strong>\u00a0, T\u00a0<sub>1<\/sub>\u00a0.\u00a0Puisque les irr\u00e9versibilit\u00e9s sont pr\u00e9sum\u00e9es absentes et que toute la chaleur est fournie et rejet\u00e9e de mani\u00e8re\u00a0<strong>isothermique<\/strong>\u00a0, le rendement thermique d&#8217;un cycle Ericsson id\u00e9al peut \u00eatre calcul\u00e9 \u00e0 partir de ces temp\u00e9ratures:<\/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><strong><em>\u03b7\u00a0<sub>Carnot<\/sub><\/em>\u00a0<\/strong>\u00a0est l\u2019efficacit\u00e9 du cycle Carnot, c\u2019est-\u00e0-dire le rapport<strong>\u00a0= W \/ Q\u00a0<\/strong><strong><sub>H<\/sub><\/strong>\u00a0du travail effectu\u00e9 par le moteur \u00e0 l\u2019\u00e9nergie thermique entrant dans le syst\u00e8me \u00e0 partir du r\u00e9servoir chaud.<\/li>\n<li><em><strong>T\u00a0<\/strong><strong><sub>C<\/sub><\/strong><\/em>\u00a0est la temp\u00e9rature absolue (Kelvins) du r\u00e9servoir d&#8217;eau froide,<\/li>\n<li><em><strong>T\u00a0<sub>H<\/sub><\/strong><\/em>\u00a0est la temp\u00e9rature absolue (Kelvins) du r\u00e9servoir chaud.<\/li>\n<\/ul>\n<p>Bien que les proc\u00e9d\u00e9s thermodynamiques du cycle Ericsson diff\u00e8rent de celles du cycle de\u00a0Carnot, les\u00a0deux cycles ont la m\u00eame valeur de l&#8217;\u00a0efficacit\u00e9 thermique lors du\u00a0fonctionnement entre les temp\u00e9ratures\u00a0<em>T\u00a0<sub>H<\/sub><\/em>\u00a0et\u00a0<em>T\u00a0<sub>C<\/sub><\/em>\u00a0.<\/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\"><\/div>\n<div class=\"su-spoiler-title\" 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","protected":false},"excerpt":{"rendered":"<p>Premier et deuxi\u00e8me Cycle d&#8217;Ericsson &#8211; Th\u00e9orie et efficacit\u00e9. Le Cycle d&#8217;Ericsson est un cycle thermodynamique nomm\u00e9 d&#8217;apr\u00e8s l&#8217;inventeur am\u00e9ricano-su\u00e9dois John Ericsson. G\u00e9nie thermique Cycle Ericsson Cycle Ericsson &#8211; Diagramme Ts Le\u00a0cycle Ericsson\u00a0doit son nom \u00e0 l&#8217;inventeur am\u00e9ricano-su\u00e9dois\u00a0John Ericsson\u00a0, qui a con\u00e7u et construit de nombreux moteurs thermiques uniques bas\u00e9s sur divers cycles thermodynamiques.\u00a0Il est &#8230; <a title=\"Qu&#8217;est-ce que le Cycle d&#8217;Ericsson &#8211; Th\u00e9orie et efficacit\u00e9 &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-cycle-ericsson-theorie-et-efficacite-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que le Cycle d&#8217;Ericsson &#8211; Th\u00e9orie et efficacit\u00e9 &#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 le Cycle d&#039;Ericsson - Th\u00e9orie et efficacit\u00e9 - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Premier et deuxi\u00e8me Cycle d&#039;Ericsson - Th\u00e9orie et efficacit\u00e9. 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