{"id":1033,"date":"1993-11-17T15:00:01","date_gmt":"1993-11-17T14:00:01","guid":{"rendered":"http:\/\/greth.fr\/?p=1033"},"modified":"2023-02-24T14:46:11","modified_gmt":"2023-02-24T13:46:11","slug":"etude-du-comportement-de-lecoulement-dans-des-canaux-de-section-rectangulaire-constitues-de-plaques-et-dailettes-brasees","status":"publish","type":"post","link":"https:\/\/greth.fr\/en\/etude-du-comportement-de-lecoulement-dans-des-canaux-de-section-rectangulaire-constitues-de-plaques-et-dailettes-brasees\/","title":{"rendered":"\u00c9tude du comportement de l&#8217;\u00e9coulement dans des canaux de section rectangulaire constitu\u00e9s de plaques et d&#8217;ailettes bras\u00e9es"},"content":{"rendered":"<p><strong><span style=\"text-decoration: underline;\">Summary :<\/span><\/strong><br \/>\n50 ans d'\u00e9tudes et d'essais sur les \u00e9changeurs \u00e0 plaques et ailettes bras\u00e9es ont \u00e9videmment fourni beaucoup de donn\u00e9es en simple phase, sans n\u00e9anmoins apporter de relations g\u00e9n\u00e9rales (\u00e0 quelques rares exceptions pres ), tant pour la pr\u00e9diction des pertes de pression que pour celle des performances thermiques. En ce qui concerne les donn\u00e9es \"double phase\", elles sont encore peu nombreuses, notamment pour les pertes de pression, comme le soulignent certains auteurs.<\/p>\n<p>Dans un tel contexte, une \u00e9tude sur des g\u00e9om\u00e9tries compactes se trouvait dans le droit fil des pr\u00e9occupations du G.R.E.Th, et les travaux de cette th\u00e8se ont \u00e9t\u00e9 orient\u00e9s selon trois axes principaux: caract\u00e9risation dynamique et thermique en simple phase, simulation de l'\u00e9coulement \u00e0 I'aide d'un code d\u00e9velopp\u00e9 au sein du laboratoire, visualisation de l'\u00e9coulement en vid\u00e9o rapide et caract\u00e9risation des g\u00e9om\u00e9tries en double phase. Deux g\u00e9om\u00e9tries d'ailettes ont \u00e9t\u00e9 retenues pour cette \u00e9tude, des ailettes de type \"O.S.F\" et des ailettes de type \"droite perfor\u00e9e\".<\/p>\n<table width=\"100%\" border=\"1\">\n<tr>\n<td><strong>Auteur(s)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>MICHALLON Emmanuelle<\/td>\n<\/tr>\n<tr>\n<td><strong>Ann\u00e9e<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1993<\/td>\n<\/tr>\n<tr>\n<td><strong>Keywords<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Ecoulement, plaques, ailettes bras\u00e9es<\/td>\n<\/tr>\n<\/table>\n\n&nbsp;<br \/>\n\n<div class=\"eds-animate edsanimate-sis-hidden\" data-eds-entry-animation=\"bounceIn\" data-eds-entry-delay=\"0\" data-eds-entry-duration=\"1\" data-eds-entry-timing=\"linear\" data-eds-exit-animation=\"\" data-eds-exit-delay=\"\" data-eds-exit-duration=\"\" data-eds-exit-timing=\"\" data-eds-repeat-count=\"1\" data-eds-keep=\"yes\" data-eds-animate-on=\"load\" data-eds-scroll-offset=\"\">\n\t\t<div class=\"box info\">\n\t\t\t<div class=\"box-inner-block\">\n\t\t\t\t<span class=\"fa tie-shortcode-boxicon\"><\/span>\n<p style=\"text-align: justify;\"><strong>&#x2666; The full version is only available for subscribers <a style=\"text-decoration: none;\" href=\"\/en\/offre-du-greth\/\"><span style=\"background-color: #3db2ea; color: #fff;\">\"ESSENTIEL\"<\/span><\/a> or <a style=\"text-decoration: none;\" href=\"\/en\/offre-du-greth\/\"><span style=\"background-color: #c6002c; color: #fff;\">\"PREMIUM\"<\/span><\/a> of GRETh!<\/strong><\/p>\n<p>&#x2666; If you are already a member \/ subscriber, you must identify yourself by <a href=\"\/wp-login.php\"><strong>clicking here<\/strong><\/a>.<br \/>\n&#x2666; If you are not a member, you can consult the offer proposed by GRETh by <a href=\"\/en\/offre-du-greth\/\"><strong>clicking here<\/strong><\/a> as well as the conditions of membership by <a href=\"\/en\/conditions-adhesion\/\"><strong>clicking here<\/strong><\/a>.\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>","protected":false},"excerpt":{"rendered":"<p>R\u00e9sum\u00e9 : 50 ans d&#8217;\u00e9tudes et d&#8217;essais sur les \u00e9changeurs \u00e0 plaques et ailettes bras\u00e9es ont \u00e9videmment fourni beaucoup de donn\u00e9es en simple phase, sans n\u00e9anmoins apporter de relations g\u00e9n\u00e9rales (\u00e0 quelques rares exceptions pres ), tant pour la pr\u00e9diction des pertes de pression que pour celle des performances thermiques. En ce qui concerne les &hellip;<\/p>","protected":false},"author":1,"featured_media":966,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,21],"tags":[],"class_list":["post-1033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-documents","category-memoires-theses"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00c9tude du comportement de l&#039;\u00e9coulement dans des canaux de section rectangulaire constitu\u00e9s de plaques et d&#039;ailettes bras\u00e9es - GRETh<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/greth.fr\/en\/etude-du-comportement-de-lecoulement-dans-des-canaux-de-section-rectangulaire-constitues-de-plaques-et-dailettes-brasees\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9tude du comportement de l&#039;\u00e9coulement dans des canaux de section rectangulaire constitu\u00e9s de plaques et d&#039;ailettes bras\u00e9es\" \/>\n<meta property=\"og:description\" content=\"R\u00e9sum\u00e9 : 50 ans d&#039;\u00e9tudes et d&#039;essais sur les \u00e9changeurs \u00e0 plaques et ailettes bras\u00e9es ont \u00e9videmment fourni beaucoup de donn\u00e9es en simple phase, sans n\u00e9anmoins apporter de relations g\u00e9n\u00e9rales (\u00e0 quelques rares exceptions pres ), tant pour la pr\u00e9diction des pertes de pression que pour celle des performances thermiques. 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