{"id":45995,"date":"2019-10-20T15:44:23","date_gmt":"2019-10-20T14:44:23","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-la-pression-dans-une-turbine-a-vapeur-a-condensation-definition\/"},"modified":"2020-02-26T13:34:58","modified_gmt":"2020-02-26T12:34:58","slug":"quest-ce-que-la-pression-dans-une-turbine-a-vapeur-a-condensation-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-pression-dans-une-turbine-a-vapeur-a-condensation-definition\/","title":{"rendered":"Qu’est-ce que la pression dans une turbine \u00e0 vapeur \u00e0 condensation – D\u00e9finition"},"content":{"rendered":"
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La plupart des centrales nucl\u00e9aires utilisent g\u00e9n\u00e9ralement des turbines \u00e0 vapeur \u00e0 condensation \u00e0 plusieurs \u00e9tages.\u00a0La vapeur \u00e0 haute pression a une pression d’environ 6 MPa.\u00a0G\u00e9nie thermique<\/div>\n<\/div>\n
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Pressions dans les turbines \u00e0 vapeur \u00e0 condensation<\/h2>\n
\"thermodynamique<\/a>
Rankine Cycle – La thermodynamique en tant que science de la conversion d’\u00e9nergie<\/figcaption><\/figure>\n

En r\u00e8gle g\u00e9n\u00e9rale la\u00a0plupart des\u00a0centrales nucl\u00e9aires<\/strong>\u00a0fonctionne \u00e0\u00a0condensation des\u00a0turbines \u00e0 vapeur \u00e0\u00a0plusieurs \u00e9tages<\/strong>\u00a0.\u00a0Dans ces turbines, l’\u00e9tage haute pression re\u00e7oit de la\u00a0vapeur<\/a>\u00a0(cette vapeur est une vapeur presque satur\u00e9e – x = 0,995 – point C sur la figure;\u00a06 MPa<\/strong>\u00a0; 275,6 \u00b0 C) provenant d’un g\u00e9n\u00e9rateur de vapeur et l’\u00e9chappement vers le s\u00e9parateur-r\u00e9chauffeur d’humidit\u00e9 (point D ).\u00a0La vapeur doit \u00eatre r\u00e9chauff\u00e9e afin d’\u00e9viter des dommages pouvant \u00eatre caus\u00e9s aux aubes de turbine \u00e0 vapeur par de la vapeur de qualit\u00e9 inf\u00e9rieure.\u00a0Le r\u00e9chauffeur r\u00e9chauffe la vapeur (point D), qui est ensuite dirig\u00e9e vers l’\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 (pression absolue de\u00a00,008 MPa<\/strong>) et se trouve dans un \u00e9tat partiellement condens\u00e9 (point F), d\u2019une qualit\u00e9 proche de 90%.<\/p>\n

Voir aussi:\u00a0vapeur humide<\/a><\/p>\n

Voir aussi:\u00a0Tables \u00e0 vapeur<\/a><\/p>\n<\/div>\n<\/div>\n

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Cet article est bas\u00e9 sur la traduction automatique de l’article original en anglais. Pour plus d’informations, voir l’article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l’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":"

La plupart des centrales nucl\u00e9aires utilisent g\u00e9n\u00e9ralement des turbines \u00e0 vapeur \u00e0 condensation \u00e0 plusieurs \u00e9tages.\u00a0La vapeur \u00e0 haute pression a une pression d’environ 6 MPa.\u00a0G\u00e9nie thermique Pressions dans les turbines \u00e0 vapeur \u00e0 condensation Rankine Cycle – La thermodynamique en tant que science de la conversion d’\u00e9nergie En r\u00e8gle g\u00e9n\u00e9rale la\u00a0plupart des\u00a0centrales nucl\u00e9aires\u00a0fonctionne \u00e0\u00a0condensation … 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":"\nQu'est-ce que la pression dans une turbine \u00e0 vapeur \u00e0 condensation - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"La plupart des centrales nucl\u00e9aires utilisent g\u00e9n\u00e9ralement des turbines \u00e0 vapeur \u00e0 condensation \u00e0 plusieurs \u00e9tages. 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