{"id":43238,"date":"2019-10-08T15:19:25","date_gmt":"2019-10-08T14:19:25","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/"},"modified":"2020-03-05T06:57:06","modified_gmt":"2020-03-05T05:57:06","slug":"quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/","title":{"rendered":"Qu&#8217;est-ce que la perte de charge &#8211; Assemblage de combustible &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Chute de pression &#8211; Assemblage de carburant.\u00a0En g\u00e9n\u00e9ral, la chute de pression totale de l&#8217;assemblage combustible est form\u00e9e par la chute de friction du faisceau de combustible et d&#8217;autres pertes de charge d&#8217;\u00e9l\u00e9ments structurels<\/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>Chute de pression &#8211; Assemblage de combustible<\/h2>\n<p>En g\u00e9n\u00e9ral, la\u00a0<a title=\"Head Loss \u2013 Pressure Loss\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/head-loss\/\"><strong>perte de charge<\/strong><\/a>\u00a0totale de\u00a0<strong>l&#8217;assemblage de combustible<\/strong>\u00a0est form\u00e9e par la chute de friction du faisceau de combustible (en fonction de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/major-head-loss-friction-loss\/relative-roughness-of-pipe\/\">la rugosit\u00e9 relative<\/a>\u00a0des crayons de combustible, du\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/reynolds-number\/\">nombre de Reynolds<\/a>\u00a0, du\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/internal-flow\/hydraulic-diameter-2\/\">diam\u00e8tre hydraulique<\/a>\u00a0,\u00a0etc.) et par d&#8217;autres pertes de charge d&#8217;\u00e9l\u00e9ments structuraux (tuy\u00e8res sup\u00e9rieure et inf\u00e9rieure, grilles d&#8217;espacement ou de m\u00e9lange) ).<\/p>\n<p>Voir aussi:\u00a0<a title=\"Acc\u00e9l\u00e9ration de fluide - Perte de pression\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/minor-head-loss-local-losses\/fluid-acceleration-pressure-loss\/\">Acc\u00e9l\u00e9ration de fluide &#8211; Perte de pression<\/a><\/p>\n<p>En g\u00e9n\u00e9ral, le calcul des pertes de charge dans les assemblages de combustible (en particulier les grilles d&#8217;espacement) n&#8217;est pas aussi simple et il fait partie du\u00a0<strong>savoir-faire<\/strong>\u00a0cl\u00e9\u00a0de certains fabricants de combustibles.\u00a0G\u00e9n\u00e9ralement, les pertes de charge sont mesur\u00e9es dans\u00a0<strong>des boucles hydrauliques exp\u00e9rimentales<\/strong>\u00a0plut\u00f4t que calcul\u00e9es.<\/p>\n<p>Les ing\u00e9nieurs utilisent le\u00a0<a title=\"Coefficient de perte de pression - PLC\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/head-loss\/pressure-loss-coefficient-plc\/\"><strong>coefficient de perte de pression<\/strong><\/a>\u00a0,\u00a0<strong>PLC<\/strong>\u00a0.\u00a0Il est not\u00e9 K ou\u00a0<strong>\u03be<\/strong>\u00a0\u00a0(prononc\u00e9 \u00abxi\u00bb).\u00a0Ce coefficient caract\u00e9rise\u00a0<a title=\"Perte de charge - Perte de pression\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/head-loss\/\">la perte<\/a>\u00a0de charge d&#8217;un certain syst\u00e8me hydraulique ou d&#8217;une partie d&#8217;un syst\u00e8me hydraulique.\u00a0Il peut \u00eatre facilement mesur\u00e9 dans les boucles hydrauliques.\u00a0Le coefficient de perte de charge peut \u00eatre d\u00e9fini ou mesur\u00e9 pour les deux conduites droites et en particulier pour\u00a0<a title=\"Perte de t\u00eate mineure - Pertes locales\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/minor-head-loss-local-losses\/\"><strong>les pertes locales (mineures)<\/strong><\/a>\u00a0.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/PLC-Pressure-loss-coefficient-equations.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20526 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/PLC-Pressure-loss-coefficient-equations.png\" alt=\"PLC - Coefficient de perte de pression - \u00e9quations\" width=\"339\" height=\"375\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/PLC-Pressure-loss-coefficient-equations.png\" \/><\/a><\/p>\n<p>En utilisant les donn\u00e9es de l&#8217;exemple mentionn\u00e9 ci-dessous, le\u00a0<strong>coefficient de perte de charge<\/strong>\u00a0(uniquement par frottement \u00e0 partir d&#8217;un tuyau droit) est \u00e9gal \u00e0\u00a0<strong>= f\u00a0<sub>D<\/sub>\u00a0L \/ D\u00a0<sub>H<\/sub>\u00a0= 4,9<\/strong>\u00a0.\u00a0Mais le coefficient de perte de charge global (y compris les grilles d&#8217;espacement, les buses sup\u00e9rieure et inf\u00e9rieure, etc.) est g\u00e9n\u00e9ralement environ trois fois sup\u00e9rieur.\u00a0Cet automate (\u00a0<strong>\u03be = 4,9<\/strong>\u00a0) provoque que la chute de pression est de l&#8217;ordre de ( en\u00a0utilisant les entr\u00e9es pr\u00e9c\u00e9dentes)\u00a0<strong>Dp\u00a0<sub>friction<\/sub><\/strong>\u00a0= 4,9 x 714 x 5\u00a0<sup>2<\/sup>\u00a0\/2 =\u00a0<strong>43,7 kPa<\/strong>\u00a0(sans grilles d&#8217;\u00a0espacement, embouts sup\u00e9rieur et inf\u00e9rieur).\u00a0Un PLC r\u00e9el environ trois fois sup\u00e9rieur signifie que le\u00a0<strong><sub>carburant\u00a0<\/sub><\/strong><strong>\u00a0\u0394p<\/strong>\u00a0sera\u00a0environ trois fois sup\u00e9rieur\u00a0.<\/p>\n<p>La perte de charge globale du r\u00e9acteur, le\u00a0<strong><sub>r\u00e9acteur<\/sub><\/strong><strong>\u00a0\u0394p<\/strong>\u00a0, doit inclure:<\/p>\n<ul>\n<li>descente et fond du r\u00e9acteur<\/li>\n<li>plaque de support inf\u00e9rieure<\/li>\n<li>Assemblage combustible, y compris les grilles d&#8217;espacement, les buses sup\u00e9rieures et inf\u00e9rieures et d&#8217;autres composants structurels &#8211;\u00a0\u00a0<strong>\u0394p\u00a0<sub>fuel<\/sub><\/strong><\/li>\n<li>ensemble de structure de guidage sup\u00e9rieure<\/li>\n<\/ul>\n<p>En cons\u00e9quence, la perte de charge globale du r\u00e9acteur &#8211; le\u00a0\u00a0<strong><sub>r\u00e9acteur<\/sub><\/strong><strong>\u00a0\u0394p<\/strong>\u00a0est g\u00e9n\u00e9ralement de l\u2019ordre de centaines de kPa (soit 300 \u00e0 400 kPa) pour les param\u00e8tres de conception.<\/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<p><span>Il s&#8217;agit d&#8217;un exemple illustratif, les donn\u00e9es pr\u00e9c\u00e9dentes\u00a0\u00a0<\/span><strong><span>ne<\/span><\/strong><span>\u00a0\u00a0correspondent \u00e0 aucune conception de r\u00e9acteur.<\/span><\/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\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Exemple: perte de pression par friction &#8211; faisceau de carburant<\/span><\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Diameter-Fuel-Channel.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-20407 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Diameter-Fuel-Channel-254x300.png\" alt=\"Diam\u00e8tre hydraulique - Canal de carburant\" width=\"254\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Diameter-Fuel-Channel-254x300.png\" \/><\/a><span>Calculer la\u00a0<\/span><a title=\"Perte de t\u00eate majeure - Perte par friction\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/major-head-loss-friction-loss\/\"><strong><span>perte<\/span><\/strong><\/a><span>\u00a0de charge par\u00a0<a title=\"Perte de t\u00eate majeure - Perte par friction\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/major-head-loss-friction-loss\/\"><strong>frottement<\/strong><\/a>\u00a0d&#8217;une\u00a0<\/span><strong><span>barre de combustible unique \u00e0 l&#8217;<\/span><\/strong><span>\u00a0\u00a0int\u00e9rieur d&#8217;un c\u0153ur de r\u00e9acteur en fonctionnement normal (d\u00e9bit de conception).\u00a0Supposons que ce crayon de combustible fait partie d&#8217;un faisceau de combustible avec le r\u00e9seau de combustible rectangulaire et que ce faisceau de combustible ne contient pas de grilles d&#8217;espacement.\u00a0Sa hauteur est\u00a0<\/span><strong><span>h = 4 m<\/span><\/strong><span>\u00a0et la vitesse d&#8217;\u00e9coulement du c\u0153ur est constante et \u00e9gale \u00e0\u00a0<\/span><strong><span>V\u00a0<\/span><\/strong><strong><sub><span>c\u0153ur<\/span><\/sub><\/strong><strong><span>\u00a0= 5 m \/ s.<\/span><\/strong><\/p>\n<p><span>Suppose que:<\/span><\/p>\n<ul>\n<li><span>le diam\u00e8tre ext\u00e9rieur du rev\u00eatement est:\u00a0<\/span><strong><span>d = 2 xr\u00a0<\/span><\/strong><strong><sub><span>Zr, 1<\/span><\/sub><\/strong><strong><span>\u00a0= 9,3 mm<\/span><\/strong><\/li>\n<li><span>le pas des goupilles de combustible est:\u00a0<\/span><strong><span>p = 13 mm<\/span><\/strong><\/li>\n<li><span>la\u00a0<\/span><a title=\"Rugosit\u00e9 relative du tuyau\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/major-head-loss-friction-loss\/relative-roughness-of-pipe\/\"><span>rugosit\u00e9 relative<\/span><\/a><span>\u00a0est\u00a0<\/span><strong><span>\u03b5 \/ D = 5 \u00d7 10\u00a0<\/span><\/strong><strong><sup><span>-4<\/span><\/sup><\/strong><\/li>\n<li><span>la\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-density-physics\/\"><span>densit\u00e9<\/span><\/a><span>\u00a0du fluide\u00a0est:\u00a0<\/span><strong><span>\u03c1 = 714 kg \/ m\u00a0<\/span><\/strong><strong><sup><span>3<\/span><\/sup><\/strong><\/li>\n<li><span>la vitesse d&#8217;\u00e9coulement du c\u0153ur est constante et \u00e9gale \u00e0\u00a0<\/span><strong><span>V\u00a0<\/span><\/strong><strong><sub><span>c\u0153ur<\/span><\/sub><\/strong><strong><span>\u00a0= 5 m \/ s<\/span><\/strong><\/li>\n<li><span>la\u00a0<\/span><a title=\"Qu'est-ce que la temp\u00e9rature - Physique\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-temperature-physique-definition\/\"><span>temp\u00e9rature<\/span><\/a><span>\u00a0moyenne\u00a0du liquide de refroidissement du r\u00e9acteur est:\u00a0<\/span><strong><span>T en\u00a0<\/span><\/strong><strong><sub><span>vrac<\/span><\/sub><\/strong><strong><span>\u00a0= 296 \u00b0 C<\/span><\/strong><\/li>\n<\/ul>\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\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Calcul du nombre de Reynolds<\/span><\/h2>\n<p><span>Pour calculer le\u00a0<\/span><a title=\"Le num\u00e9ro de Reynold\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/reynolds-number\/\"><span>nombre de Reynolds<\/span><\/a><span>\u00a0, nous devons savoir:<\/span><\/p>\n<ul>\n<li><span>le diam\u00e8tre ext\u00e9rieur du rev\u00eatement est:\u00a0<\/span><strong><span>d = 2 xr\u00a0<\/span><\/strong><strong><sub><span>Zr, 1<\/span><\/sub><\/strong><strong><span>\u00a0= 9,3 mm<\/span><\/strong><span>\u00a0(pour calculer le diam\u00e8tre hydraulique)<\/span><\/li>\n<li><span>le pas des goupilles de combustible est:\u00a0<\/span><strong><span>p = 13 mm<\/span><\/strong><span>\u00a0\u00a0(pour calculer le diam\u00e8tre hydraulique)<\/span><\/li>\n<li><span>la viscosit\u00e9 dynamique de l&#8217;eau satur\u00e9e \u00e0 300 \u00b0 C est:\u00a0<\/span><strong><span>\u03bc = 0,0000859 Ns \/ m\u00a0<\/span><\/strong><strong><sup><span>2<\/span><\/sup><\/strong><\/li>\n<li><span>la densit\u00e9 du fluide est:\u00a0<\/span><strong><span>\u03c1 = 714 kg \/ m\u00a0<\/span><\/strong><strong><sup><span>3<\/span><\/sup><\/strong><\/li>\n<\/ul>\n<p><strong><span>Le diam\u00e8tre hydraulique, D\u00a0<\/span><\/strong><strong><sub><span>h<\/span><\/sub><\/strong><span>\u00a0, est un terme couramment utilis\u00e9 pour g\u00e9rer le d\u00e9bit dans\u00a0<\/span><strong><span>des tubes et canaux non circulaires<\/span><\/strong><span>\u00a0.\u00a0Le\u00a0<\/span><strong><span>diam\u00e8tre hydraulique du canal de carburant<\/span><\/strong><span>\u00a0,\u00a0<\/span><em><span>D\u00a0<\/span><\/em><em><sub><span>h<\/span><\/sub><\/em><span>\u00a0, est \u00e9gal \u00e0\u00a0<\/span><strong><span>13,85 mm<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Voir aussi:\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/internal-flow\/hydraulic-diameter-2\/\"><span>Diam\u00e8tre hydraulique<\/span><\/a><\/p>\n<p><span>Le\u00a0<\/span><strong><span>nombre de Reynolds<\/span><\/strong><span>\u00a0\u00e0 l&#8217;int\u00e9rieur du canal de carburant est alors \u00e9gal \u00e0:<\/span><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/reynolds-number-example.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20412 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/reynolds-number-example.png\" alt=\"nombre de reynolds - exemple\" width=\"593\" height=\"78\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/reynolds-number-example.png\" \/><\/a><\/p>\n<p><span>Cela satisfait pleinement les\u00a0<\/span><a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-quun-ecoulement-turbulent-definition\/\"><strong><span>conditions turbulentes<\/span><\/strong><\/a><span>\u00a0.<\/span><\/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\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Calcul du facteur de friction Darcy<\/span><\/h2>\n<p><strong><span>Le facteur de frottement<\/span><\/strong><span>\u00a0pour un \u00e9coulement turbulent d\u00e9pend fortement de la\u00a0<\/span><strong><span>rugosit\u00e9 relative.\u00a0<\/span><\/strong><span>Il est d\u00e9termin\u00e9 par l&#8217;\u00e9quation de Colebrook ou peut \u00eatre d\u00e9termin\u00e9 \u00e0 l&#8217;aide du\u00a0<\/span><a title=\"Diagramme Moody\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/major-head-loss-friction-loss\/moody-diagram\/\"><strong><span>diagramme de Moody<\/span><\/strong><\/a><span>\u00a0.\u00a0Le\u00a0<\/span><strong><span>graphique de Moody<\/span><\/strong><span>\u00a0pour\u00a0<\/span><strong><span>Re = 575 600<\/span><\/strong><span>\u00a0et\u00a0<\/span><strong><span>\u03b5 \/ D = 5 x 10\u00a0<\/span><\/strong><strong><sup><span>-4<\/span><\/sup><\/strong><span>\u00a0renvoie les valeurs suivantes:<\/span><\/p>\n<ul>\n<li><span>le\u00a0<\/span><a title=\"Facteur de friction Darcy\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-facteur-de-friction-de-darcy-definition\/\"><strong><span>facteur de friction de Darcy<\/span><\/strong><\/a><span>\u00a0est \u00e9gal \u00e0\u00a0<\/span><strong><span>f\u00a0<\/span><\/strong><strong><sub><span>D<\/span><\/sub><\/strong><strong><span>\u00a0= 0,017<\/span><\/strong><\/li>\n<li><span>le\u00a0<\/span><a title=\"Facteur de friction de ventilation\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/major-head-loss-friction-loss\/fanning-friction-factor\/\"><strong><span>facteur de friction Fanning<\/span><\/strong><\/a><span>\u00a0est \u00e9gal \u00e0\u00a0<\/span><strong><span>f\u00a0<\/span><\/strong><strong><sub><span>F<\/span><\/sub><\/strong><strong><span>\u00a0= f\u00a0<\/span><\/strong><strong><sub><span>D<\/span><\/sub><\/strong><strong><span>\u00a0\/ 4 = 0,00425<\/span><\/strong><\/li>\n<\/ul>\n<p><span>Par cons\u00e9quent, le\u00a0\u00a0<\/span><strong><span>coefficient de perte de pression<\/span><\/strong><span>\u00a0\u00a0(seulement le frottement d&#8217;un tuyau droit) est \u00e9gal \u00e0\u00a0\u00a0<\/span><strong><span>\u03be = f\u00a0<\/span><sub><span>D<\/span><\/sub><span>\u00a0L \/ D\u00a0<\/span><sub><span>H<\/span><\/sub><span>\u00a0\u00a0= 4,9<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\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","protected":false},"excerpt":{"rendered":"<p>Chute de pression &#8211; Assemblage de carburant.\u00a0En g\u00e9n\u00e9ral, la chute de pression totale de l&#8217;assemblage combustible est form\u00e9e par la chute de friction du faisceau de combustible et d&#8217;autres pertes de charge d&#8217;\u00e9l\u00e9ments structurels Chute de pression &#8211; Assemblage de combustible En g\u00e9n\u00e9ral, la\u00a0perte de charge\u00a0totale de\u00a0l&#8217;assemblage de combustible\u00a0est form\u00e9e par la chute de friction &#8230; <a title=\"Qu&#8217;est-ce que la perte de charge &#8211; Assemblage de combustible &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que la perte de charge &#8211; Assemblage de combustible &#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 perte de charge - Assemblage de combustible - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Chute de pression - Assemblage de carburant. 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En g\u00e9n\u00e9ral, la chute de pression totale de l&#039;assemblage combustible est form\u00e9e par la chute de friction du faisceau de combustible et d&#039;autres pertes de charge d&#039;\u00e9l\u00e9ments structurels\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-08T14:19:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-03-05T05:57:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/PLC-Pressure-loss-coefficient-equations.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture est.\">\n\t<meta name=\"twitter:data2\" content=\"4 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal Engineering\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.thermal-engineering.org\/fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/#primaryimage\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/PLC-Pressure-loss-coefficient-equations.png\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/\",\"name\":\"Qu'est-ce que la perte de charge - Assemblage de combustible - D\\u00e9finition\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/#primaryimage\"},\"datePublished\":\"2019-10-08T14:19:25+00:00\",\"dateModified\":\"2020-03-05T05:57:06+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Chute de pression - Assemblage de carburant. En g\\u00e9n\\u00e9ral, la chute de pression totale de l'assemblage combustible est form\\u00e9e par la chute de friction du faisceau de combustible et d'autres pertes de charge d'\\u00e9l\\u00e9ments structurels\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-assemblage-de-combustible-definition\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/posts\/43238"}],"collection":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/comments?post=43238"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/posts\/43238\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/media?parent=43238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/categories?post=43238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/tags?post=43238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}