{"id":53144,"date":"2020-03-03T08:39:12","date_gmt":"2020-03-03T07:39:12","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-la-perte-de-charge-perte-de-pression-definition\/"},"modified":"2020-03-03T08:41:07","modified_gmt":"2020-03-03T07:41:07","slug":"quest-ce-que-la-perte-de-charge-perte-de-pression-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-perte-de-pression-definition\/","title":{"rendered":"Qu&#8217;est-ce que la perte de charge &#8211; Perte de pression &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">La perte de charge ou la perte de pression repr\u00e9sente une r\u00e9sistance \u00e0 l\u2019\u00e9coulement par frottement. La perte de charge due au frottement est li\u00e9e \u00e0 l&#8217;\u00e9nergie de vitesse du liquide au carr\u00e9. G\u00e9nie thermique<\/div>\n<\/div>\n<div><\/div>\n<div><\/div>\n<div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-60 lgc-tablet-grid-60 lgc-mobile-grid-100 lgc-equal-heights  lgc-first\">\n<div class=\"inside-grid-column\">\n<h2><span>Perte de t\u00eate &#8211; Perte de pression<\/span><\/h2>\n<p><span>Dans l&#8217;analyse pratique des syst\u00e8mes de tuyauterie, la quantit\u00e9 la plus importante est la\u00a0<\/span><strong><span>perte de pression due aux effets visqueux<\/span><\/strong><span>\u00a0sur toute la longueur du syst\u00e8me, ainsi que\u00a0<\/span><strong><span>les pertes de pression suppl\u00e9mentaires<\/span><\/strong><span>\u00a0r\u00e9sultant d&#8217;autres\u00a0<\/span><strong><span>\u00e9quipements technologiques<\/span><\/strong><span>\u00a0comme les vannes, les coudes, les entr\u00e9es de tuyauterie, les raccords et les t\u00e9s. .<\/span><br \/>\n<span>Dans un premier temps, une\u00a0<\/span><a title=\"\u00c9quation de Bernoulli \u00e9tendue\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/extended-bernoullis-equation\/\"><strong><span>\u00e9quation de Bernoulli \u00e9tendue<\/span><\/strong><\/a><span>\u00a0doit \u00eatre introduite.\u00a0Cette \u00e9quation permet de tenir compte de la viscosit\u00e9 de mani\u00e8re empirique et de la quantifier avec un param\u00e8tre physique appel\u00e9\u00a0<\/span><strong><span>perte de charge<\/span><\/strong><span>\u00a0.<\/span><br \/>\n<a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14315 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.png\" alt=\"\u00c9quation de Bernoulli \u00e9tendue\" width=\"441\" height=\"64\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.png\" \/><\/a><\/p>\n<div class=\"su-accordion\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span>\u00c9quation de Bernoulli \u00e9tendue<\/span><\/div>\n<div class=\"su-spoiler-content su-clearfix\">\n<ul>\n<li><\/li>\n<\/ul>\n<ul>\n<li><\/li>\n<\/ul>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14315 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.png\" alt=\"\u00c9quation de Bernoulli \u00e9tendue\" width=\"441\" height=\"64\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.png\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span>La t\u00eate hydraulique<\/span><\/div>\n<div class=\"su-spoiler-content su-clearfix\">\n<a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Bernoulli-Theorem-Equation.png\"><img loading=\"lazy\" class=\"size-full wp-image-14235 aligncenter lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Bernoulli-Theorem-Equation.png\" alt=\"Th\u00e9or\u00e8me de Bernoulli - \u00c9quation\" width=\"346\" height=\"66\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Bernoulli-Theorem-Equation.png\" \/><\/a><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Pressure-Head.png\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-14309 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Pressure-Head-300x62.png\" alt=\"T\u00eate de pression\" width=\"300\" height=\"62\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Pressure-Head-300x62.png\" \/><\/a><\/strong><\/li>\n<li><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Elevation-Head.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14308 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Elevation-Head.png\" alt=\"T\u00eate d'\u00e9l\u00e9vation\" width=\"296\" height=\"80\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Elevation-Head.png\" \/><\/a><\/li>\n<li><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Kinetic-Head.png\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-14307 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Kinetic-Head-300x47.png\" alt=\"T\u00eate cin\u00e9tique\" width=\"300\" height=\"47\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Kinetic-Head-300x47.png\" \/><\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Total-Hydraulic-Head.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14311 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Total-Hydraulic-Head.png\" alt=\"T\u00eate hydraulique totale\" width=\"606\" height=\"370\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Total-Hydraulic-Head.png\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<p><strong><span>La perte de charge<\/span><\/strong><span>\u00a0(ou la perte de pression) repr\u00e9sente la r\u00e9duction de la hauteur totale ou de la pression (somme de la hauteur d&#8217;\u00e9l\u00e9vation, de la vitesse et de la pression) du fluide lorsqu&#8217;il s&#8217;\u00e9coule \u00e0 travers un syst\u00e8me hydraulique.\u00a0<\/span><strong><span>La perte de charge<\/span><\/strong><span>\u00a0repr\u00e9sente \u00e9galement l&#8217;\u00e9nergie utilis\u00e9e pour surmonter les frottements caus\u00e9s par les parois du tuyau et d&#8217;autres \u00e9quipements technologiques.\u00a0La perte de charge est in\u00e9vitable dans les vrais fluides en mouvement.\u00a0Il est pr\u00e9sent en raison du frottement entre les particules de fluide adjacentes lors de leur d\u00e9placement les unes par rapport aux autres (en particulier dans un \u00e9coulement turbulent).<\/span><\/p>\n<p><span>La perte de charge qui se produit dans les tuyaux d\u00e9pend de la\u00a0<\/span><strong><span>vitesse d&#8217;\u00e9coulement, du diam\u00e8tre<\/span><\/strong><span>\u00a0et de la\u00a0<\/span><strong><span>longueur du\u00a0<\/span><\/strong><span><strong>tuyau<\/strong>\u00a0, et d&#8217;un\u00a0<\/span><strong><span>facteur de friction<\/span><\/strong><span>\u00a0bas\u00e9 sur la rugosit\u00e9 du tuyau et le\u00a0<\/span><strong><span>nombre<\/span><\/strong><span>\u00a0de\u00a0<strong>Reynolds<\/strong>\u00a0du d\u00e9bit.\u00a0Bien que la\u00a0<\/span><strong><span>perte de charge repr\u00e9sente une perte d&#8217;\u00e9nergie<\/span><\/strong><span>\u00a0, elle\u00a0<\/span><strong><span>ne repr\u00e9sente pas une perte d&#8217;\u00e9nergie totale<\/span><\/strong><span>\u00a0du fluide.\u00a0L&#8217;\u00e9nergie totale du fluide se conserve gr\u00e2ce \u00e0 la\u00a0<\/span><strong><span>loi de conservation de l&#8217;\u00e9nergie<\/span><\/strong><span>\u00a0.\u00a0En r\u00e9alit\u00e9, la perte de charge due au frottement se traduit par une\u00a0<\/span><strong><span>augmentation<\/span><\/strong><span>\u00a0\u00e9quivalente\u00a0<strong>de l&#8217;\u00e9nergie interne<\/strong>\u00a0(augmentation de la temp\u00e9rature) du fluide.<\/span><\/p>\n<p><span>La plupart des m\u00e9thodes d&#8217;\u00e9valuation de la perte de charge due au frottement reposent presque exclusivement sur\u00a0<\/span><strong><span>des preuves exp\u00e9rimentales<\/span><\/strong><span>\u00a0.\u00a0Ceci sera discut\u00e9 dans les sections suivantes.<\/span><\/p>\n<div class=\"su-accordion\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-content su-clearfix\">\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<h2><span>Classification de la perte de t\u00eate<\/span><\/h2>\n<p><strong><span>La perte<\/span><\/strong><span>\u00a0de charge d&#8217;un syst\u00e8me de tuyaux, de tubes ou de conduits est la m\u00eame que celle produite dans un tuyau ou un conduit droit dont la longueur est \u00e9gale aux tuyaux des syst\u00e8mes d&#8217;origine plus la somme des longueurs \u00e9quivalentes de tous les composants du syst\u00e8me.<\/span><\/p>\n<p><span>Comme on peut le voir, la perte de charge du syst\u00e8me de tuyauterie est divis\u00e9e en deux cat\u00e9gories principales, les \u00ab\u00a0<\/span><strong><span>pertes majeures<\/span><\/strong><span>\u00a0\u00bb associ\u00e9es \u00e0 la perte d&#8217;\u00e9nergie par longueur de tuyau et les \u00ab\u00a0<\/span><strong><span>pertes mineures<\/span><\/strong><span>\u00a0\u00bb associ\u00e9es aux coudes, raccords, vannes, etc.<\/span><\/p>\n<ul>\n<li><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 de charge importante<\/span><\/strong><\/a><span>\u00a0&#8211; due au frottement dans les tuyaux et les conduits.<\/span><\/li>\n<li><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><span>Perte de charge mineure<\/span><\/strong><\/a><span>\u00a0&#8211; due \u00e0 des composants comme des vannes, des raccords, des coudes et des t\u00e9s.<\/span><\/li>\n<\/ul>\n<p><span>La perte de charge peut alors \u00eatre exprim\u00e9e comme:<\/span><\/p>\n<p><strong><em><span>h\u00a0<\/span><\/em><em><sub><span>loss<\/span><\/sub><\/em><em><span>\u00a0= \u03a3 h\u00a0<\/span><\/em><em><sub><span>major_losses<\/span><\/sub><\/em><em><span>\u00a0+ \u03a3 h\u00a0<\/span><\/em><em><sub><span>minor_losses<\/span><\/sub><\/em><\/strong><\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-40 lgc-tablet-grid-40 lgc-mobile-grid-100 lgc-equal-heights  lgc-last\">\n<div class=\"inside-grid-column\">\n<h2><span>Sommaire:<\/span><\/h2>\n<ul>\n<li><strong><span>La perte de charge<\/span><\/strong><span>\u00a0ou\u00a0<\/span><strong><span>la perte de pression<\/span><\/strong><span>\u00a0sont la r\u00e9duction de la\u00a0<\/span><a title=\"T\u00eate hydraulique\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/hydraulic-head\/\"><strong><span>hauteur totale<\/span><\/strong><\/a><span>\u00a0(somme de la hauteur\u00a0<\/span><a title=\"T\u00eate d'\u00e9l\u00e9vation\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/elevation-head-2\/\"><span>potentielle<\/span><\/a><span>\u00a0, de la\u00a0<\/span><a title=\"T\u00eate de vitesse\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/velocity-head\/\"><span>vitesse<\/span><\/a><span>\u00a0et de la\u00a0<\/span><a title=\"T\u00eate de pression\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/bernoullis-equation-bernoullis-principle\/pressure-head-2\/\"><span>pression<\/span><\/a><span>\u00a0) d&#8217;un fluide caus\u00e9e par la\u00a0<\/span><strong><span>friction<\/span><\/strong><span>\u00a0pr\u00e9sente dans le mouvement du fluide.<\/span><\/li>\n<li><strong><span>La perte de charge et la perte de charge<\/span><\/strong><span>\u00a0repr\u00e9sentent le m\u00eame ph\u00e9nom\u00e8ne &#8211; les\u00a0<\/span><strong><span>pertes par frottement<\/span><\/strong><span>\u00a0dans les tuyaux et les pertes dans les composants hydrauliques, mais elles sont exprim\u00e9es en\u00a0<\/span><strong><span>unit\u00e9s diff\u00e9rentes<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>La perte de charge du syst\u00e8me hydraulique est divis\u00e9e en\u00a0<\/span><strong><span>deux cat\u00e9gories principales<\/span><\/strong><span>\u00a0:<\/span>\n<ul>\n<li><strong><span>Perte de charge importante<\/span><\/strong><span>\u00a0&#8211; due au frottement dans des tuyaux droits<\/span><\/li>\n<li><strong><span>Perte de charge mineure<\/span><\/strong><span>\u00a0&#8211; due \u00e0 des composants comme des valves, des coudes\u2026<\/span><\/li>\n<\/ul>\n<\/li>\n<li><a title=\"\u00c9quation de Darcy-Weisbach\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/major-head-loss-friction-loss\/darcy-weisbach-equation\/\"><strong><span>L&#8217;\u00e9quation de Darcy<\/span><\/strong><\/a><span>\u00a0peut \u00eatre utilis\u00e9e pour calculer<\/span><strong><span>\u00a0les pertes majeures<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>Une\u00a0<\/span><strong><span>forme sp\u00e9ciale de l&#8217;\u00e9quation de Darcy<\/span><\/strong><span>\u00a0peut \u00eatre utilis\u00e9e pour calculer\u00a0<\/span><strong><span>les pertes mineures<\/span><\/strong><span>\u00a0.<\/span><\/li>\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<\/span><\/strong><\/a><span>\u00a0pour l&#8217;\u00e9coulement du fluide peut \u00eatre d\u00e9termin\u00e9 \u00e0 l&#8217;aide d&#8217;un\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.<\/span><\/li>\n<\/ul>\n<h2><span>Pourquoi la perte de t\u00eate est tr\u00e8s importante?<\/span><\/h2>\n<p><span>Comme on peut le voir sur la photo, la perte de charge est\u00a0<\/span><strong><span>une caract\u00e9ristique cl\u00e9<\/span><\/strong><span>\u00a0de tout syst\u00e8me hydraulique.\u00a0Dans les syst\u00e8mes dans lesquels un certain d\u00e9bit doit \u00eatre maintenu (par exemple pour assurer un refroidissement ou un transfert de chaleur suffisant \u00e0 partir d&#8217;un\u00a0<\/span><a title=\"Noyau du r\u00e9acteur\" href=\"https:\/\/www.reactor-physics.com\/what-is-reactor-core-definition\/\"><span>c\u0153ur de r\u00e9acteur<\/span><\/a><span>\u00a0),\u00a0<\/span><strong><span>l&#8217;\u00e9quilibre<\/span><\/strong><span>\u00a0de la\u00a0<\/span><strong><span>perte de charge<\/span><\/strong><span>\u00a0et de la\u00a0\u00a0<\/span><strong><span>t\u00eate ajout\u00e9e<\/span><\/strong><span>\u00a0par une pompe d\u00e9termine le d\u00e9bit \u00e0 travers le syst\u00e8me.<\/span><\/p>\n<figure id=\"attachment_14299\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-14299\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Head-Q-H.png\"><img loading=\"lazy\" class=\"size-medium wp-image-14299 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Head-Q-H-300x207.png\" alt=\"Diagramme caract\u00e9ristique QH de la pompe centrifuge et de la canalisation\" width=\"300\" height=\"207\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Head-Q-H-300x207.png\" \/><\/a><figcaption id=\"caption-attachment-14299\" class=\"wp-caption-text\"><span>Diagramme caract\u00e9ristique QH de la pompe centrifuge et de la canalisation<\/span><\/figcaption><\/figure>\n<figure id=\"attachment_14305\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-14305\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Head-Hydraulic-Grade-Line-min.png\"><img loading=\"lazy\" class=\"size-medium wp-image-14305 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Head-Hydraulic-Grade-Line-min-300x230.png\" alt=\"T\u00eate hydraulique - Ligne de qualit\u00e9 hydraulique\" width=\"300\" height=\"230\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Hydraulic-Head-Hydraulic-Grade-Line-min-300x230.png\" \/><\/a><figcaption id=\"caption-attachment-14305\" class=\"wp-caption-text\"><span>Ligne de qualit\u00e9 hydraulique et lignes de t\u00eate totales pour un tuyau de diam\u00e8tre constant avec friction.\u00a0Dans une conduite r\u00e9elle, il y a des pertes d&#8217;\u00e9nergie dues au frottement &#8211; celles-ci doivent \u00eatre prises en compte car elles peuvent \u00eatre tr\u00e8s importantes.<\/span><\/figcaption><\/figure>\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>Perte de t\u00eate majeure &#8211; Perte par friction<\/span><\/h2>\n<p><span>Voir aussi:\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\/\"><span>Perte de t\u00eate majeure &#8211; Pertes par friction<\/span><\/a><\/p>\n<p><strong><span>Les pertes importantes<\/span><\/strong><span>\u00a0, qui sont associ\u00e9es \u00e0\u00a0<\/span><strong><span>la perte d&#8217;\u00e9nergie de frottement<\/span><\/strong><span>\u00a0par longueur de tuyau, d\u00e9pendent de la\u00a0<\/span><strong><span>vitesse d&#8217;\u00e9coulement, de la longueur du tuyau, du diam\u00e8tre du tuyau et d&#8217;un facteur de friction<\/span><\/strong><span>\u00a0bas\u00e9 sur la rugosit\u00e9 du tuyau, et si le d\u00e9bit est\u00a0<\/span><a title=\"\u00c9coulement laminaire - \u00c9coulement visqueux\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lecoulement-laminaire-ecoulement-visqueux-definition\/\"><span>laminaire<\/span><\/a><span>\u00a0ou\u00a0<\/span><a title=\"\u00c9coulement turbulent\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-quun-ecoulement-turbulent-definition\/\"><span>turbulent<\/span><\/a><span>\u00a0(c.-\u00e0-d. Le\u00a0<\/span><a title=\"Le num\u00e9ro de Reynold\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/reynolds-number\/\"><span>Reynolds num\u00e9ro<\/span><\/a><span>\u00a0du flux).<\/span><\/p>\n<p><span>Bien que la\u00a0<\/span><strong><span>perte de charge repr\u00e9sente une perte d&#8217;\u00e9nergie<\/span><\/strong><span>\u00a0, elle\u00a0<\/span><strong><span>ne repr\u00e9sente pas une perte d&#8217;\u00e9nergie totale<\/span><\/strong><span>\u00a0du fluide.\u00a0L&#8217;\u00e9nergie totale du fluide se conserve gr\u00e2ce \u00e0 la\u00a0<\/span><strong><span>loi de conservation de l&#8217;\u00e9nergie<\/span><\/strong><span>\u00a0.\u00a0En r\u00e9alit\u00e9, la perte de charge due au frottement se traduit par une\u00a0<\/span><strong><span>augmentation<\/span><\/strong><span>\u00a0\u00e9quivalente\u00a0<strong>de l&#8217;\u00e9nergie interne<\/strong>\u00a0(augmentation de la temp\u00e9rature) du fluide.<\/span><\/p>\n<p><span>Par observation, la\u00a0<\/span><strong><span>perte de charge principale est \u00e0 peu pr\u00e8s proportionnelle au carr\u00e9 du d\u00e9bit<\/span><\/strong><span>\u00a0dans la plupart des \u00e9coulements d&#8217;ing\u00e9nierie (\u00e9coulement turbulent enti\u00e8rement d\u00e9velopp\u00e9).<\/span><\/p>\n<p><span>L&#8217;\u00e9quation la plus couramment utilis\u00e9e pour calculer les pertes de charge importantes dans un tube ou un conduit est l&#8217;\u00a0<\/span><strong><span>\u00e9quation de Darcy \u2013 Weisbach<\/span><\/strong><span>\u00a0(forme de perte de charge).<\/span><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Major-Head-Loss-head-form.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14583 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Major-Head-Loss-head-form.png\" alt=\"Perte de t\u00eate majeure - forme de t\u00eate\" width=\"199\" height=\"88\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Major-Head-Loss-head-form.png\" \/><\/a><\/p>\n<p><span>o\u00f9:<\/span><\/p>\n<ul>\n<li><span>\u0394h = la perte de charge due au frottement (m)<\/span><\/li>\n<li><em><span>f\u00a0<\/span><\/em><em><sub><span>D<\/span><\/sub><\/em><span>\u00a0= le facteur de friction Darcy (sans unit\u00e9)<\/span><\/li>\n<li><span>L = la longueur du tuyau (m)<\/span><\/li>\n<li><span>D = le diam\u00e8tre hydraulique du tuyau D (m)<\/span><\/li>\n<li><span>g = la constante gravitationnelle (m \/ s\u00a0<\/span><sup><span>2<\/span><\/sup><span>\u00a0)<\/span><\/li>\n<li><span>V = la vitesse d&#8217;\u00e9coulement moyenne V (m \/ s)<\/span><\/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-divider su-divider-style-dotted\"><\/div>\n<p><span>L&#8217;\u00e9valuation de l&#8217;\u00a0<\/span><strong><span>\u00e9quation de Darcy-Weisbach<\/span><\/strong><span>\u00a0donne un aper\u00e7u des facteurs affectant la perte de charge dans un pipeline.<\/span><\/p>\n<ul>\n<li><span>Consid\u00e9rez que la\u00a0<\/span><strong><span>longueur du tuyau<\/span><\/strong><span>\u00a0ou du canal est\u00a0<\/span><strong><span>doubl\u00e9e<\/span><\/strong><span>\u00a0, la perte de charge par\u00a0<\/span><strong><span>friction<\/span><\/strong><span>\u00a0qui en r\u00e9sulte\u00a0<strong>doublera<\/strong>\u00a0.<\/span><\/li>\n<li><span>\u00c0 d\u00e9bit et longueur de tuyau constants, la\u00a0<\/span><strong><span>perte de charge est inversement proportionnelle \u00e0 la 4e puissance de diam\u00e8tre<\/span><\/strong><span>\u00a0(pour un flux laminaire), et donc la r\u00e9duction de moiti\u00e9 du diam\u00e8tre du tuyau augmente la perte de charge d&#8217;un facteur 16. Il s&#8217;agit d&#8217;une augmentation tr\u00e8s significative de perte de charge et montre pourquoi des tuyaux de plus grand diam\u00e8tre entra\u00eenent des besoins en puissance de pompage beaucoup plus faibles.<\/span><\/li>\n<li><span>Puisque la perte de charge est \u00e0 peu pr\u00e8s proportionnelle au carr\u00e9 du d\u00e9bit, alors si le\u00a0<\/span><strong><span>d\u00e9bit est doubl\u00e9<\/span><\/strong><span>\u00a0, la\u00a0<\/span><strong><span>perte de charge augmente d&#8217;un facteur quatre<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>La\u00a0<\/span><strong><span>perte de charge est r\u00e9duite de moiti\u00e9<\/span><\/strong><span>\u00a0(pour un flux laminaire) lorsque la\u00a0<\/span><strong><span>viscosit\u00e9 du fluide est r\u00e9duite de moiti\u00e9<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_14429\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-14429\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Moody-chart-min.jpg\"><img loading=\"lazy\" class=\"size-large wp-image-14429 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Moody-chart-min-1024x642.jpg\" alt=\"Source: Donebythesecondlaw sur Wikip\u00e9dia en anglais, CC BY-SA 3.0, https:\/\/commons.wikimedia.org\/w\/index.php?curid=4681366\" width=\"669\" height=\"419\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Moody-chart-min-1024x642.jpg\" \/><\/a><figcaption id=\"caption-attachment-14429\" class=\"wp-caption-text\"><span>Source: Donebythesecondlaw sur Wikip\u00e9dia en anglais, CC BY-SA 3.0,<\/span><br \/>\n<span>https:\/\/commons.wikimedia.org\/w\/index.php?curid=4681366<\/span><\/figcaption><\/figure>\n<p><span>\u00c0 l&#8217;exception du\u00a0<\/span><strong><span>facteur de friction Darcy<\/span><\/strong><span>\u00a0, chacun de ces termes (la vitesse d&#8217;\u00e9coulement,\u00a0<\/span><a title=\"Diam\u00e8tre hydraulique\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/internal-flow\/hydraulic-diameter-2\/\"><span>le diam\u00e8tre hydraulique<\/span><\/a><span>\u00a0, la longueur d&#8217;un tuyau) peut \u00eatre facilement mesur\u00e9.\u00a0Le facteur de friction Darcy prend en compte les propri\u00e9t\u00e9s fluides de la densit\u00e9 et de la viscosit\u00e9, ainsi que la\u00a0<\/span><strong><span>rugosit\u00e9<\/span><\/strong><span>\u00a0du\u00a0<strong>tuyau<\/strong>\u00a0.\u00a0Ce facteur peut \u00eatre \u00e9valu\u00e9 par l&#8217;utilisation de diverses relations empiriques, ou il peut \u00eatre lu \u00e0 partir de graphiques publi\u00e9s (par exemple\u00a0<\/span><strong><span>graphique Moody<\/span><\/strong><span> ).<\/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-accordion\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-content su-clearfix\">\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\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>Perte de charge mineure &#8211; Perte de pression locale<\/span><\/h2>\n<p><span>Voir aussi:\u00a0<\/span><a title=\"Perte de t\u00eate mineure - Pertes locales\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/minor-head-loss-local-losses\/\"><span>Perte de charge mineure &#8211; Perte de pression locale<\/span><\/a><\/p>\n<p><span>Dans l&#8217;industrie, tout syst\u00e8me de tuyauterie contient\u00a0<\/span><strong><span>diff\u00e9rents \u00e9l\u00e9ments technologiques<\/span><\/strong><span>\u00a0tels que des\u00a0<\/span><strong><span>coudes<\/span><\/strong><span>\u00a0, des\u00a0<\/span><strong><span>raccords<\/span><\/strong><span>\u00a0, des\u00a0<\/span><strong><span>vannes<\/span><\/strong><span>\u00a0ou\u00a0<\/span><strong><span>des canaux chauffants<\/span><\/strong><span>\u00a0.\u00a0Ces composants suppl\u00e9mentaires augmentent la perte de charge globale du syst\u00e8me.\u00a0Ces pertes sont g\u00e9n\u00e9ralement appel\u00e9es\u00a0<\/span><strong><span>pertes mineures, bien qu&#8217;elles repr\u00e9sentent souvent une part importante de la perte de charge<\/span><\/strong><span>\u00a0.\u00a0Pour les syst\u00e8mes de tuyaux relativement courts, avec un nombre relativement important de coudes et de raccords, les pertes mineures peuvent facilement d\u00e9passer les pertes majeures (en particulier avec une vanne partiellement ferm\u00e9e qui peut provoquer une\u00a0<\/span><strong><span>perte de pression plus<\/span><\/strong><span>\u00a0importante qu&#8217;un long tuyau, en fait quand une vanne est ferm\u00e9e ou presque ferm\u00e9e, la perte mineure est infinie).<\/span><\/p>\n<p><span>Les pertes mineures sont g\u00e9n\u00e9ralement mesur\u00e9es\u00a0<\/span><strong><span>exp\u00e9rimentalement<\/span><\/strong><span>\u00a0.\u00a0Les donn\u00e9es, en particulier pour les vannes, d\u00e9pendent quelque peu de la conception particuli\u00e8re du fabricant.<\/span><\/p>\n<p><span>G\u00e9n\u00e9ralement, la plupart des m\u00e9thodes utilis\u00e9es dans l&#8217;industrie d\u00e9finissent un\u00a0<\/span><strong><span>coefficient K<\/span><\/strong><span>\u00a0comme valeur pour certains composants technologiques.<\/span><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/minor-head-loss-equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14589 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/minor-head-loss-equation.png\" alt=\"perte de t\u00eate mineure - \u00e9quation\" width=\"238\" height=\"72\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/minor-head-loss-equation.png\" \/><\/a><\/p>\n<p><span>Comme le frottement des tuyaux, les\u00a0<\/span><strong><span>pertes mineures sont \u00e0 peu pr\u00e8s proportionnelles au carr\u00e9 du d\u00e9bit<\/span><\/strong><span>\u00a0et peuvent donc \u00eatre facilement int\u00e9gr\u00e9es dans l&#8217;\u00a0<\/span><strong><span>\u00e9quation de Darcy-Weisbach<\/span><\/strong><span>\u00a0.\u00a0K est la somme de tous les coefficients de perte dans la longueur du tuyau, chacun contribuant \u00e0 la perte de charge globale.<\/span><\/p>\n<p><span>Les m\u00e9thodes suivantes sont d&#8217;une importance pratique dans les calculs locaux de perte de pression:<\/span><\/p>\n<ul>\n<li><strong><span>M\u00e9thode de longueur \u00e9quivalente<\/span><\/strong><\/li>\n<li><strong><span>M\u00e9thode K &#8211; M\u00e9thode du coefficient de r\u00e9sistance<\/span><\/strong><\/li>\n<li><strong><span>M\u00e9thode 2K<\/span><\/strong><\/li>\n<li><strong><span>M\u00e9thode 3K<\/span><\/strong><\/li>\n<\/ul>\n<p><span>Voir aussi: Perte de charge mineure &#8211; Perte de pression locale<\/span><\/p>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\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<h2><span>Perte de charge du d\u00e9bit de fluide diphasique<\/span><\/h2>\n<p><span>Voir aussi:\u00a0<\/span><a title=\"Chute de pression en deux phases\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/two-phase-fluid-flow\/two-phase-pressure-drop\/\"><span>Chute de pression en deux phases<\/span><\/a><\/p>\n<p><span>Contrairement aux chutes de pression monophas\u00e9es, le calcul et la pr\u00e9vision des chutes de pression biphas\u00e9es est un probl\u00e8me beaucoup plus sophistiqu\u00e9 et les principales m\u00e9thodes diff\u00e8rent consid\u00e9rablement.\u00a0Les donn\u00e9es exp\u00e9rimentales indiquent que la\u00a0<\/span><strong><span>chute de pression de friction dans l&#8217;\u00e9coulement diphasique<\/span><\/strong><span>\u00a0(par exemple dans un canal d&#8217;\u00e9bullition) est\u00a0<\/span><strong><span>sensiblement plus \u00e9lev\u00e9e<\/span><\/strong><span>\u00a0que celle pour un \u00e9coulement monophas\u00e9 avec la m\u00eame longueur et le m\u00eame d\u00e9bit massique.\u00a0Les explications \u00e0 cela comprennent une rugosit\u00e9 de surface accrue apparente due \u00e0 la formation de bulles sur la surface chauff\u00e9e et des vitesses d&#8217;\u00e9coulement accrues.<\/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\"><\/div>\n<\/div>\n<\/div>\n<div><\/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<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La perte de charge ou la perte de pression repr\u00e9sente une r\u00e9sistance \u00e0 l\u2019\u00e9coulement par frottement. La perte de charge due au frottement est li\u00e9e \u00e0 l&#8217;\u00e9nergie de vitesse du liquide au carr\u00e9. G\u00e9nie thermique Perte de t\u00eate &#8211; Perte de pression Dans l&#8217;analyse pratique des syst\u00e8mes de tuyauterie, la quantit\u00e9 la plus importante est &#8230; <a title=\"Qu&#8217;est-ce que la perte de charge &#8211; Perte de pression &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-perte-de-pression-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que la perte de charge &#8211; Perte de pression &#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 - Perte de pression - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"La perte de charge ou la perte de pression repr\u00e9sente la r\u00e9sistance \u00e0 la friction par frottement. La perte de charge due au frottement est li\u00e9e \u00e0 l&#039;\u00e9nergie de vitesse du liquide au carr\u00e9. G\u00e9nie thermique\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-perte-de-pression-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce que la perte de charge - Perte de pression - D\u00e9finition\" \/>\n<meta property=\"og:description\" content=\"La perte de charge ou la perte de pression repr\u00e9sente la r\u00e9sistance \u00e0 la friction par frottement. La perte de charge due au frottement est li\u00e9e \u00e0 l&#039;\u00e9nergie de vitesse du liquide au carr\u00e9. G\u00e9nie thermique\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-perte-de-pression-definition\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2020-03-03T07:39:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-03-03T07:41:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.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=\"8 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-perte-de-pression-definition\/#primaryimage\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Extended-Bernoulli-Equation.png\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-perte-de-pression-definition\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-perte-de-pression-definition\/\",\"name\":\"Qu'est-ce que la perte de charge - Perte de pression - 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-perte-de-pression-definition\/#primaryimage\"},\"datePublished\":\"2020-03-03T07:39:12+00:00\",\"dateModified\":\"2020-03-03T07:41:07+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"La perte de charge ou la perte de pression repr\\u00e9sente la r\\u00e9sistance \\u00e0 la friction par frottement. La perte de charge due au frottement est li\\u00e9e \\u00e0 l'\\u00e9nergie de vitesse du liquide au carr\\u00e9. G\\u00e9nie thermique\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-perte-de-charge-perte-de-pression-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\/53144"}],"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=53144"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/posts\/53144\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/media?parent=53144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/categories?post=53144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/fr\/wp-json\/wp\/v2\/tags?post=53144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}