{"id":2371,"date":"2001-10-25T16:55:22","date_gmt":"2001-10-25T14:55:22","guid":{"rendered":"http:\/\/greth.fr\/?p=2371"},"modified":"2023-02-15T16:54:09","modified_gmt":"2023-02-15T15:54:09","slug":"etude-bibliographique-sur-les-echangeurs-compacts","status":"publish","type":"post","link":"https:\/\/greth.fr\/en\/etude-bibliographique-sur-les-echangeurs-compacts\/","title":{"rendered":"\u00c9tude bibliographique sur les \u00e9changeurs compacts"},"content":{"rendered":"<p><strong><span style=\"text-decoration: underline;\">Summary :<\/span><\/strong><br \/>\nLes \u00e9changeurs de chaleur compacts sont des appareils capables d\u2019\u00e9changer une grande quantit\u00e9 de chaleur dans un faible volume. En effet, ces \u00e9changeurs gr\u00e2ce \u00e0 leur grande compacit\u00e9 permettent de r\u00e9duire l\u2019encombrement, le poids et le co\u00fbt des dispositifs industriels d\u2019\u00e9changes thermiques. La compacit\u00e9 est caract\u00e9ris\u00e9e par le rapport entre la surface d\u2019\u00e9change et l\u2019encombrement, elle s\u2019exprime en m2\/m3. Habituellement, un \u00e9changeur liquide \u2013 gaz est consid\u00e9r\u00e9 comme compact \u00e0 partir d\u2019une compacit\u00e9 C ~ 700 m2\/m3. Les domaines d\u2019application des \u00e9changeurs compacts sont divers : ils sont utilis\u00e9s essentiellement dans l\u2019automobile, l\u2019a\u00e9ronautique et en cryog\u00e9nie pour la liqu\u00e9faction des gaz, mais peuvent se trouver dans de nombreuses autres applications industrielles.<\/p>\n<p>Ces \u00e9changeurs de g\u00e9om\u00e9tries tr\u00e8s souvent complexes permettent une augmentation de la surface d\u2019\u00e9change et une g\u00e9n\u00e9ration de turbulence dans la majorit\u00e9 des cas, ces ph\u00e9nom\u00e8nes am\u00e9liorant les \u00e9changes thermiques. Il existe pour ces \u00e9changeurs compacts des donn\u00e9es exp\u00e9rimentales globales et de nombreuses corr\u00e9lations dans la litt\u00e9rature. Les corr\u00e9lations sont en g\u00e9n\u00e9rale trop empiriques pour \u00eatre pr\u00e9cises mais permettent de dimensionner facilement un \u00e9changeur.<\/p>\n<p>Les donn\u00e9es locales et les mesures fines, \u00e9tant difficiles \u00e0 mettre en \u0153uvre, sont assez rares bien que pr\u00e9sentant un grand int\u00e9r\u00eat pour la compr\u00e9hension des ph\u00e9nom\u00e8nes et pour l\u2019optimisation des g\u00e9om\u00e9tries. La simulation num\u00e9rique pourrait alors apporter des \u00e9l\u00e9ments suppl\u00e9mentaires \u00e0 la compr\u00e9hension de l\u2019\u00e9coulement et \u00e0 l\u2019optimisation des g\u00e9om\u00e9tries.<\/p>\n<p>L\u2019\u00e9tude bibliographique sur les \u00e9changeurs de chaleur compacts va se d\u00e9composer en quatre parties. Tout d\u2019abord, nous donnerons de plus larges explications sur les g\u00e9om\u00e9tries d\u2019\u00e9changeurs de chaleur compacts en s\u2019attardant particuli\u00e8rement sur les g\u00e9om\u00e9tries \u00e0 pas d\u00e9cal\u00e9 (Offset Strip Fin) et les ailettes persiennes. Ensuite, nous d\u00e9crirons les ph\u00e9nom\u00e8nes physiques pr\u00e9sents dans ce type de g\u00e9om\u00e9trie. Ainsi, nous \u00e9tudierons particuli\u00e8rement les d\u00e9collements et recollements d\u2019\u00e9coulements autour de plaques planes \u00e9paisses. Puis, nous<br \/>\nr\u00e9f\u00e9rencerons les travaux r\u00e9alis\u00e9s fournissant des r\u00e9sultats locaux. Enfin, des r\u00e9sultats d\u2019\u00e9tudes globales et des corr\u00e9lations pour des \u00e9changeurs compacts seront pr\u00e9sent\u00e9s.<\/p>\n<table width=\"100%\" border=\"1\">\n<tr>\n<td><strong>Auteur(s)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>MICHEL F. - MARTY P. - TOCHON P.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ann\u00e9e<\/strong><\/td>\n<\/tr>\n<tr>\n<td>2001<\/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 : Les \u00e9changeurs de chaleur compacts sont des appareils capables d\u2019\u00e9changer une grande quantit\u00e9 de chaleur dans un faible volume. En effet, ces \u00e9changeurs gr\u00e2ce \u00e0 leur grande compacit\u00e9 permettent de r\u00e9duire l\u2019encombrement, le poids et le co\u00fbt des dispositifs industriels d\u2019\u00e9changes thermiques. La compacit\u00e9 est caract\u00e9ris\u00e9e par le rapport entre la surface d\u2019\u00e9change &hellip;<\/p>","protected":false},"author":1,"featured_media":2309,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,23],"tags":[],"class_list":["post-2371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-documents","category-rapports-techniques"],"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 bibliographique sur les \u00e9changeurs compacts - 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-bibliographique-sur-les-echangeurs-compacts\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9tude bibliographique sur les \u00e9changeurs compacts\" \/>\n<meta property=\"og:description\" content=\"R\u00e9sum\u00e9 : Les \u00e9changeurs de chaleur compacts sont des appareils capables d\u2019\u00e9changer une grande quantit\u00e9 de chaleur dans un faible volume. 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