{"id":27645,"date":"2026-05-19T09:50:01","date_gmt":"2026-05-19T07:50:01","guid":{"rendered":"https:\/\/greth.fr\/?p=27645"},"modified":"2026-05-19T10:25:53","modified_gmt":"2026-05-19T08:25:53","slug":"optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d","status":"publish","type":"post","link":"https:\/\/greth.fr\/en\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\/","title":{"rendered":"Parametric optimization of heat exchangers, validation by 3D printing"},"content":{"rendered":"<strong><span style=\"text-decoration: underline;\">Summary:<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">The advancement in metal additive manufacturing has tremendously increased the optimization and design possibilities of heat exchangers systems. In this work, we present possible design improvements and an advanced extended surfaces optimization for plate and fins heat exchangers. An experimental assessment was conducted on 3D printed mini channels to evaluate their thermal hydraulic properties with respect to the one manufactured conventionally. The 3D printed channels shows good agreements with the correlations already found in the literature in the laminar flow regime. The validated correlations were used to conduct the design and parametrical optimization of a wavy fin heat exchanger. The heat exchanger obtained from the design process optimized for the 3D printing was 50% lighter than the one usually used by conventional manufacturing for the same heat duty and pressure drop. Furthermore, an advanced parametrical optimization was applied by changing the local amplitude of each fin wave along the flow. This permitted to reduce the operating cost by 15% for the same heat exchange rate. A local enhancement by material removal was conducted on an offset fin heat exchanger using the commercial computational fluid dynamics FLUENT. By removing 12% of thermally ineffective cells, the pressure drop was reduced by 20% for the same heat duty. A new generation of offset fins is proposed which reduced the heat exchanger volume by 50% maintaining its same overall thermal hydraulic performance.<\/p>\n<table border=\"1\" width=\"100%\">\n<tbody>\n<tr>\n<td><strong>Author<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Samer WAKIM<\/td>\n<\/tr>\n<tr>\n<td><strong>Date of presentation<\/strong><\/td>\n<\/tr>\n<tr>\n<td>2021, march 15th<\/td>\n<\/tr>\n<tr>\n<td><strong>Keywords<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Porous media, Optimization, Experimentation, Metal 3D printing, Numerical modeling, Additive manufacturing, Heat exchangers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\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 progr\u00e8s de la fabrication additive m\u00e9tallique a consid\u00e9rablement augment\u00e9 les possibilit\u00e9s d&#8217;optimisation et de conception des syst\u00e8mes d&#8217;\u00e9changeurs de chaleur. Dans ce travail, nous pr\u00e9sentons des am\u00e9liorations de conception possibles et une optimisation avanc\u00e9e des surfaces \u00e9tendues pour les \u00e9changeurs de chaleur \u00e0 plaques et ailettes. Une \u00e9valuation exp\u00e9rimentale a \u00e9t\u00e9 r\u00e9alis\u00e9e sur des mini-canaux imprim\u00e9es en 3D pour estimer leurs propri\u00e9t\u00e9s thermo-hydrauliques par rapport \u00e0 celles obtenues pour une fabrication conventionnelle. Les corr\u00e9lations valid\u00e9es sont utilis\u00e9es pour la conception et l&#8217;optimisation param\u00e9trique d&#8217;un \u00e9changeur de chaleur \u00e0 ailettes ondul\u00e9es<\/p>","protected":false},"author":1,"featured_media":960,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,21],"tags":[6441,6409,6438,6965,6964,6492,6487],"class_list":["post-27645","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-documents","category-memoires-theses","tag-echangeurs-de-chaleur","tag-experimentation","tag-fabrication-additive","tag-impression-3d-metallique","tag-milieux-poreux","tag-modelisation-numerique","tag-optimisation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Optimisation param\u00e9trique des \u00e9changeurs de chaleur, validation par impression 3D - 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-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optimisation param\u00e9trique des \u00e9changeurs de chaleur, validation par impression 3D\" \/>\n<meta property=\"og:description\" content=\"R\u00e9sum\u00e9 : Le progr\u00e8s de la fabrication additive m\u00e9tallique a consid\u00e9rablement augment\u00e9 les possibilit\u00e9s d&#039;optimisation et de conception des syst\u00e8mes d&#039;\u00e9changeurs de chaleur. Dans ce travail, nous pr\u00e9sentons des am\u00e9liorations de conception possibles et une optimisation avanc\u00e9e des surfaces \u00e9tendues pour les \u00e9changeurs de chaleur \u00e0 plaques et ailettes. Une \u00e9valuation exp\u00e9rimentale a \u00e9t\u00e9 r\u00e9alis\u00e9e sur des mini-canaux imprim\u00e9es en 3D pour estimer leurs propri\u00e9t\u00e9s thermo-hydrauliques par rapport \u00e0 celles obtenues pour une fabrication conventionnelle. Les corr\u00e9lations valid\u00e9es sont utilis\u00e9es pour la conception et l&#039;optimisation param\u00e9trique d&#039;un \u00e9changeur de chaleur \u00e0 ailettes ondul\u00e9es\" \/>\n<meta property=\"og:url\" content=\"https:\/\/greth.fr\/en\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\/\" \/>\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=\"2026-05-19T07:50:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-19T08:25:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/greth.fr\/wp-content\/uploads\/2015\/08\/theses-4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"416\" \/>\n\t<meta property=\"og:image:height\" content=\"288\" \/>\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=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\\\/\"},\"author\":{\"name\":\"GRETh\",\"@id\":\"https:\\\/\\\/greth.fr\\\/#\\\/schema\\\/person\\\/6e173032c4ce46c14339ff999b721f00\"},\"headline\":\"Optimisation param\u00e9trique des \u00e9changeurs de chaleur, validation par impression 3D\",\"datePublished\":\"2026-05-19T07:50:01+00:00\",\"dateModified\":\"2026-05-19T08:25:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\\\/\"},\"wordCount\":881,\"publisher\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/greth.fr\\\/wp-content\\\/uploads\\\/2015\\\/08\\\/theses-4.jpg\",\"keywords\":[\"\u00e9changeurs de chaleur\",\"exp\u00e9rimentation\",\"fabrication additive\",\"Impression 3D m\u00e9tallique\",\"Milieux poreux\",\"mod\u00e9lisation num\u00e9rique\",\"optimisation\"],\"articleSection\":[\"Documents\",\"M\u00e9moires de th\u00e8ses\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/greth.fr\\\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\\\/\",\"url\":\"https:\\\/\\\/greth.fr\\\/optimisation-parametrique-des-echangeurs-de-chaleur-validation-par-impression-3d\\\/\",\"name\":\"Optimisation param\u00e9trique des \u00e9changeurs de chaleur, validation par impression 3D - 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