{"id":1096,"date":"2003-10-17T11:20:58","date_gmt":"2003-10-17T09:20:58","guid":{"rendered":"http:\/\/greth.fr\/?p=1096"},"modified":"2023-02-24T14:16:01","modified_gmt":"2023-02-24T13:16:01","slug":"optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale","status":"publish","type":"post","link":"https:\/\/greth.fr\/en\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\/","title":{"rendered":"Optimisation des \u00e9changeurs compacts \u00e0 ailettes : \u00c9tude num\u00e9rique et exp\u00e9rimentale"},"content":{"rendered":"<p><strong><span style=\"text-decoration: underline;\">Summary :<\/span><\/strong><br \/>\nLe domaine concern\u00e9 est celui des \u00e9changeurs de chaleur compacts \u00e0 plaques et ailettes. Ces appareils de grande compacit\u00e9 (C > 700 m2\/m3) permettent de limiter l\u2019encombrement et le poids tout en conservant des surfaces d\u2019\u00e9change importantes. Ces \u00e9changeurs, largement utilis\u00e9s dans l\u2019automobile, la cryog\u00e9nie et dans l\u2019a\u00e9ronautique, sont actuellement dimensionn\u00e9s \u00e0 partir de corr\u00e9lations \u00e9tablies empiriquement. Ceci est un frein \u00e0 l\u2019optimisation des g\u00e9om\u00e9tries d\u2019ailettes des \u00e9changeurs. Cette \u00e9tude, consacr\u00e9e aux ailettes \u00e0 pas d\u00e9cal\u00e9 (Offset Strip Fin), propose une m\u00e9thodologie num\u00e9rique pour le dimensionnement et l\u2019optimisation des g\u00e9om\u00e9tries.<\/p>\n<p>Ainsi, les sch\u00e9mas, mod\u00e8les et m\u00e9thodes num\u00e9riques pour simuler convenablement la thermohydraulique au sein des ailettes \u00e0 pas d\u00e9cal\u00e9 ont \u00e9t\u00e9 valid\u00e9s au cours de ce travail. Les validations sont r\u00e9alis\u00e9es \u00e0 partir de nombreuses donn\u00e9es de la litt\u00e9rature mais surtout gr\u00e2ce \u00e0 des dispositifs exp\u00e9rimentaux mis en place dans le cadre de cette th\u00e8se. Des mesures locales et globales de vitesse et temp\u00e9rature ont \u00e9t\u00e9 alors effectu\u00e9es dans des g\u00e9om\u00e9tries \u00e9quivalentes \u00e0 des ailettes \u00e0 pas d\u00e9cal\u00e9. Les techniques d\u2019an\u00e9mom\u00e9trie fil chaud\/fil froid et d\u2019an\u00e9mom\u00e9trie Laser Doppler (LDA) ont \u00e9t\u00e9 utilis\u00e9es afin d\u2019obtenir des points de validation. L\u2019outil num\u00e9rique valid\u00e9 a ensuite servi \u00e0 optimiser les g\u00e9om\u00e9tries d\u2019ailettes OSF et \u00e0 proposer des g\u00e9om\u00e9tries innovantes.<\/p>\n<table width=\"100%\" border=\"1\">\n<tr>\n<td><strong>Auteur(s)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>MICHEL Fr\u00e9d\u00e9ric<\/td>\n<\/tr>\n<tr>\n<td><strong>Ann\u00e9e<\/strong><\/td>\n<\/tr>\n<tr>\n<td>2003<\/td>\n<\/tr>\n<tr>\n<td><strong>Keywords<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u00c9changeurs compacts \u00e0 ailettes, optimisation<\/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 : Le domaine concern\u00e9 est celui des \u00e9changeurs de chaleur compacts \u00e0 plaques et ailettes. Ces appareils de grande compacit\u00e9 (C > 700 m2\/m3) permettent de limiter l\u2019encombrement et le poids tout en conservant des surfaces d\u2019\u00e9change importantes. Ces \u00e9changeurs, largement utilis\u00e9s dans l\u2019automobile, la cryog\u00e9nie et dans l\u2019a\u00e9ronautique, sont actuellement dimensionn\u00e9s \u00e0 partir &hellip;<\/p>","protected":false},"author":1,"featured_media":967,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,21],"tags":[],"class_list":["post-1096","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>Optimisation des \u00e9changeurs compacts \u00e0 ailettes : \u00c9tude num\u00e9rique et exp\u00e9rimentale - 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\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optimisation des \u00e9changeurs compacts \u00e0 ailettes : \u00c9tude num\u00e9rique et exp\u00e9rimentale\" \/>\n<meta property=\"og:description\" content=\"R\u00e9sum\u00e9 : Le domaine concern\u00e9 est celui des \u00e9changeurs de chaleur compacts \u00e0 plaques et ailettes. 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Ces \u00e9changeurs, largement utilis\u00e9s dans l\u2019automobile, la cryog\u00e9nie et dans l\u2019a\u00e9ronautique, sont actuellement dimensionn\u00e9s \u00e0 partir &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/greth.fr\/en\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\/\" \/>\n<meta property=\"og:site_name\" content=\"GRETh\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/grethfr\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/grethfr\/\" \/>\n<meta property=\"article:published_time\" content=\"2003-10-17T09:20:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-24T13:16:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/greth.fr\/wp-content\/uploads\/2015\/08\/theses-11.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"424\" \/>\n\t<meta property=\"og:image:height\" content=\"283\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"GRETh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@grethfr\" \/>\n<meta name=\"twitter:site\" content=\"@grethfr\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"GRETh\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\\\/\"},\"author\":{\"name\":\"GRETh\",\"@id\":\"https:\\\/\\\/greth.fr\\\/#\\\/schema\\\/person\\\/6e173032c4ce46c14339ff999b721f00\"},\"headline\":\"Optimisation des \u00e9changeurs compacts \u00e0 ailettes : \u00c9tude num\u00e9rique et exp\u00e9rimentale\",\"datePublished\":\"2003-10-17T09:20:58+00:00\",\"dateModified\":\"2023-02-24T13:16:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\\\/\"},\"wordCount\":650,\"publisher\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/greth.fr\\\/wp-content\\\/uploads\\\/2015\\\/08\\\/theses-11.jpg\",\"articleSection\":[\"Documents\",\"M\u00e9moires de th\u00e8ses\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\\\/\",\"url\":\"https:\\\/\\\/greth.fr\\\/optimisation-des-echangeurs-compacts-a-ailettes-etude-numerique-et-experimentale\\\/\",\"name\":\"Optimisation des \u00e9changeurs compacts \u00e0 ailettes : \u00c9tude num\u00e9rique et exp\u00e9rimentale - 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