{"id":46454,"date":"2019-10-22T09:12:51","date_gmt":"2019-10-22T08:12:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-la-courbe-de-vapeur-de-saturation-definition\/"},"modified":"2020-03-02T12:07:32","modified_gmt":"2020-03-02T11:07:32","slug":"quest-ce-que-la-courbe-de-vapeur-de-saturation-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-courbe-de-vapeur-de-saturation-definition\/","title":{"rendered":"Qu&#8217;est-ce que la courbe de vapeur de saturation &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Courbe de vapeur de saturation.\u00a0La courbe de vapeur de saturation est la courbe s\u00e9parant l&#8217;\u00e9tat diphasique de l&#8217;\u00e9tat de vapeur surchauff\u00e9e dans le diagramme Ts.\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>Courbe de vapeur de saturation<\/h2>\n<figure id=\"attachment_14172\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-14172\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boiling-point-of-water.png\"><img loading=\"lazy\" class=\"size-medium wp-image-14172 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boiling-point-of-water-300x255.png\" alt=\"Diagramme de phase de l'eau\" width=\"300\" height=\"255\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boiling-point-of-water-300x255.png\" \/><\/a><figcaption id=\"caption-attachment-14172\" class=\"wp-caption-text\">Diagramme de phase de l&#8217;eau.<br \/>\nSource: wikipedia.org CC BY-SA<\/figcaption><\/figure>\n<p>Voir aussi:\u00a0<a title=\"Propri\u00e9t\u00e9s de la vapeur - Qu'est-ce que la vapeur\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-steam-proprietes-de-steam-definition\/\">Steam<\/a><\/p>\n<p>Comme le montre le diagramme de phase de l&#8217;eau, dans les r\u00e9gions \u00e0 deux phases (par exemple, \u00e0 la limite des phases vapeur \/ liquide), la sp\u00e9cification de la temp\u00e9rature seule d\u00e9terminera la pression et la sp\u00e9cification de la pression d\u00e9finira la temp\u00e9rature.<\/p>\n<ul>\n<li>La courbe de vapeur de saturation est la courbe s\u00e9parant l&#8217;\u00e9tat diphasique de l&#8217;\u00e9tat de vapeur surchauff\u00e9e dans le diagramme Ts.<\/li>\n<li>La courbe liquide satur\u00e9 est la courbe s\u00e9parant l&#8217;\u00e9tat liquide sous-refroidi et l&#8217;\u00e9tat biphas\u00e9 dans le diagramme Ts.<\/li>\n<\/ul>\n<p>En r\u00e8gle g\u00e9n\u00e9rale la\u00a0plupart des\u00a0<strong>centrales nucl\u00e9aires\u00a0<\/strong>\u00a0fonctionne \u00e0\u00a0<strong>condensation des\u00a0turbines \u00e0 vapeur \u00e0\u00a0plusieurs \u00e9tages<\/strong>\u00a0.\u00a0Dans ces turbines, l&#8217;\u00e9tage \u00e0 haute pression re\u00e7oit de la vapeur (cette vapeur est une vapeur presque satur\u00e9e &#8211; x = 0,995 &#8211; point C sur la figure) d&#8217;un g\u00e9n\u00e9rateur de vapeur et l&#8217;\u00e9vacue vers un s\u00e9parateur-r\u00e9chauffeur d&#8217;humidit\u00e9 (point D).\u00a0La vapeur doit \u00eatre\u00a0<strong>r\u00e9chauff\u00e9e ou surchauff\u00e9e<\/strong>afin d\u2019\u00e9viter des dommages pouvant \u00eatre caus\u00e9s aux aubes de turbine \u00e0 vapeur par de la vapeur de mauvaise qualit\u00e9.\u00a0Une teneur \u00e9lev\u00e9e en gouttelettes d\u2019eau peut provoquer l\u2019impact et l\u2019\u00e9rosion rapides des pales lors de la projection d\u2019eau condens\u00e9e sur les pales.\u00a0Pour \u00e9viter cela, des drains de condensat sont install\u00e9s dans la tuyauterie de vapeur menant \u00e0 la turbine.\u00a0Le r\u00e9chauffeur r\u00e9chauffe la vapeur (point D), qui est ensuite dirig\u00e9e vers l&#8217;\u00e9tage basse pression de la turbine \u00e0 vapeur, o\u00f9 elle se d\u00e9tend (points E \u00e0 F).\u00a0La vapeur \u00e9vacu\u00e9e est \u00e0 une pression bien inf\u00e9rieure \u00e0 la pression atmosph\u00e9rique et se trouve dans un \u00e9tat partiellement condens\u00e9 (point F), typiquement d\u2019une qualit\u00e9 voisine de 90%.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/dry-steam-saturated-vapor-min.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-16092 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/dry-steam-saturated-vapor-min.png\" alt=\"vapeur s\u00e8che-satur\u00e9e-vapeur-min\" width=\"633\" height=\"540\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/dry-steam-saturated-vapor-min.png\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\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","protected":false},"excerpt":{"rendered":"<p>Courbe de vapeur de saturation.\u00a0La courbe de vapeur de saturation est la courbe s\u00e9parant l&#8217;\u00e9tat diphasique de l&#8217;\u00e9tat de vapeur surchauff\u00e9e dans le diagramme Ts.\u00a0G\u00e9nie thermique Courbe de vapeur de saturation Diagramme de phase de l&#8217;eau. Source: wikipedia.org CC BY-SA Voir aussi:\u00a0Steam Comme le montre le diagramme de phase de l&#8217;eau, dans les r\u00e9gions \u00e0 &#8230; <a title=\"Qu&#8217;est-ce que la courbe de vapeur de saturation &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-courbe-de-vapeur-de-saturation-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que la courbe de vapeur de saturation &#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 la courbe de vapeur de saturation - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Courbe de vapeur de saturation. 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