{"id":43988,"date":"2019-10-14T08:33:58","date_gmt":"2019-10-14T07:33:58","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-le-numero-eckert-definition\/"},"modified":"2020-02-17T14:20:08","modified_gmt":"2020-02-17T13:20:08","slug":"quest-ce-que-le-numero-eckert-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-numero-eckert-definition\/","title":{"rendered":"Qu&#8217;est-ce que le num\u00e9ro Eckert &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Le nombre Eckert est un nombre sans dimension, nomm\u00e9 d&#8217;apr\u00e8s Ernst RG Eckert.\u00a0Le nombre Eckert est d\u00e9fini comme le rapport du transfert de masse advectif au potentiel de dissipation de chaleur.\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>Quel est le nombre Eckert<\/h2>\n<p>Le\u00a0<strong>nombre Eckert<\/strong>\u00a0est un nombre sans dimension, nomm\u00e9 d&#8217;apr\u00e8s Ernst RG Eckert.\u00a0Le\u00a0<strong>nombre Eckert<\/strong>\u00a0est d\u00e9fini comme le rapport du transfert de masse advectif au potentiel de dissipation de chaleur.<\/p>\n<p>Le\u00a0<strong>nombre Eckert<\/strong>\u00a0fournit une mesure de l&#8217;\u00e9nergie cin\u00e9tique de l&#8217;\u00e9coulement par rapport \u00e0 la diff\u00e9rence d&#8217;enthalpie \u00e0 travers la couche limite thermique.\u00a0Il est utilis\u00e9 pour caract\u00e9riser la dissipation de chaleur dans les \u00e9coulements \u00e0 grande vitesse pour lesquels la dissipation visqueuse est importante.<\/p>\n<p>Le\u00a0<strong>num\u00e9ro Eckert<\/strong>\u00a0est d\u00e9fini comme suit:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/eckert-number-definition-formula.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20333 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/eckert-number-definition-formula.png\" alt=\"eckert number - D\u00e9finition - formule\" width=\"398\" height=\"313\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/eckert-number-definition-formula.png\" \/><\/a><\/p>\n<p>o\u00f9:<\/p>\n<p>u est la vitesse d&#8217;\u00e9coulement locale [m \/ s]\n<p>c\u00a0<sub>p<\/sub>\u00a0est la\u00a0<a title=\"Chaleur sp\u00e9cifique \u00e0 volume et pression constants\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/ideal-gas-law\/specific-heat-constant-volume-pressure\/\">capacit\u00e9 thermique sp\u00e9cifique \u00e0 pression constante<\/a>\u00a0[m\u00a0<sup>2<\/sup>\u00a0\/ Ks\u00a0<sup>-2<\/sup>\u00a0]\n<p>T est la diff\u00e9rence de temp\u00e9rature entre la temp\u00e9rature murale et la temp\u00e9rature locale [K]\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-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-content su-clearfix\">\n<p>&nbsp;<\/p>\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<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le nombre Eckert est un nombre sans dimension, nomm\u00e9 d&#8217;apr\u00e8s Ernst RG Eckert.\u00a0Le nombre Eckert est d\u00e9fini comme le rapport du transfert de masse advectif au potentiel de dissipation de chaleur.\u00a0G\u00e9nie thermique Quel est le nombre Eckert Le\u00a0nombre Eckert\u00a0est un nombre sans dimension, nomm\u00e9 d&#8217;apr\u00e8s Ernst RG Eckert.\u00a0Le\u00a0nombre Eckert\u00a0est d\u00e9fini comme le rapport du transfert &#8230; <a title=\"Qu&#8217;est-ce que le num\u00e9ro Eckert &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-le-numero-eckert-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que le num\u00e9ro Eckert &#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 le num\u00e9ro Eckert - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Le nombre Eckert est un nombre sans dimension, nomm\u00e9 d&#039;apr\u00e8s Ernst R. 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