{"id":46470,"date":"2019-10-22T10:28:35","date_gmt":"2019-10-22T09:28:35","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-system-head-definition\/"},"modified":"2020-03-02T12:10:27","modified_gmt":"2020-03-02T11:10:27","slug":"quest-ce-que-system-head-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-system-head-definition\/","title":{"rendered":"Qu’est-ce que System Head – D\u00e9finition"},"content":{"rendered":"
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La t\u00eate du syst\u00e8me est une perte de charge importante du syst\u00e8me hydraulique.\u00a0La perte de charge du syst\u00e8me doit \u00eatre directement proportionnelle au carr\u00e9 du d\u00e9bit volum\u00e9trique.\u00a0G\u00e9nie thermique<\/div>\n<\/div>\n
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T\u00eate syst\u00e8me<\/h2>\n

\"T\u00eate<\/a>Dans le chapitre sur la\u00a0perte de charge<\/a>\u00a0, il a \u00e9t\u00e9 d\u00e9termin\u00e9 que les\u00a0pertes majeures<\/strong><\/a>et\u00a0les pertes mineures<\/a>\u00a0dans les syst\u00e8mes de tuyauterie sont\u00a0proportionnelles au carr\u00e9 de la vitesse d’\u00e9coulement<\/strong>\u00a0.\u00a0Il est \u00e9vident que la\u00a0perte de charge<\/strong>\u00a0du\u00a0syst\u00e8me<\/strong>\u00a0doit \u00eatre directement proportionnelle au carr\u00e9 du d\u00e9bit volum\u00e9trique, car le d\u00e9bit volum\u00e9trique est directement proportionnel \u00e0 la vitesse d’\u00e9coulement.<\/p>\n

Il faut ajouter que les\u00a0syst\u00e8mes hydrauliques ouverts<\/strong>\u00a0contiennent non seulement la t\u00eate de friction, mais \u00e9galement la\u00a0t\u00eate d’\u00e9l\u00e9vation<\/a>\u00a0, qui doit \u00eatre prise en compte.\u00a0La hauteur d’\u00e9l\u00e9vation (t\u00eate statique) repr\u00e9sente l’\u00e9nergie potentielle d’un fluide en raison de son \u00e9l\u00e9vation au-dessus d’un niveau de r\u00e9f\u00e9rence.
\n\"T\u00eate<\/a><\/p>\n

\"T\u00eate<\/a>Dans de nombreux cas,<\/strong>\u00a0la t\u00eate totale d’un syst\u00e8me est une combinaison de la t\u00eate d’\u00e9l\u00e9vation et de\u00a0la t\u00eate de friction,<\/strong>\u00a0comme indiqu\u00e9 sur la figure.<\/p>\n

En\u00a0g\u00e9nie nucl\u00e9aire, la<\/a>\u00a0plupart des syst\u00e8mes hydrauliques sont\u00a0des boucles hydrauliques ferm\u00e9es<\/strong>\u00a0et ces syst\u00e8mes ont uniquement\u00a0une t\u00eate de friction<\/strong>\u00a0(pas de t\u00eate statique).<\/p>\n<\/div>\n<\/div>\n

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La t\u00eate du syst\u00e8me est une perte de charge importante du syst\u00e8me hydraulique.\u00a0La perte de charge du syst\u00e8me doit \u00eatre directement proportionnelle au carr\u00e9 du d\u00e9bit volum\u00e9trique.\u00a0G\u00e9nie thermique T\u00eate syst\u00e8me Dans le chapitre sur la\u00a0perte de charge\u00a0, il a \u00e9t\u00e9 d\u00e9termin\u00e9 que les\u00a0pertes majeureset\u00a0les pertes mineures\u00a0dans les syst\u00e8mes de tuyauterie sont\u00a0proportionnelles au carr\u00e9 de la … 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 System Head - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"La t\u00eate du syst\u00e8me est une perte de charge importante du syst\u00e8me hydraulique. 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