{"id":25239,"date":"2025-12-08T16:00:44","date_gmt":"2025-12-08T15:00:44","guid":{"rendered":"https:\/\/greth.fr\/?p=25239"},"modified":"2025-12-11T15:53:21","modified_gmt":"2025-12-11T14:53:21","slug":"retour-sur-ledition-2025-des-journees-techniques-du-greth","status":"publish","type":"post","link":"https:\/\/greth.fr\/en\/retour-sur-ledition-2025-des-journees-techniques-du-greth\/","title":{"rendered":"Retour sur l\u2019\u00e9dition 2025 des Journ\u00e9es Techniques du GRETh"},"content":{"rendered":"<p style=\"text-align: justify;\">L'\u00e9dition 2025 des Journ\u00e9es Techniques maintient sa forte fr\u00e9quentation avec pr\u00e8s de 100 participants pendant deux journ\u00e9es intenses d'\u00e9changes et de d\u00e9couvertes ; un \u00e9v\u00e8nement incontournable dans le domaine des \u00e9changeurs de chaleur.<\/p>\n<p style=\"text-align: justify;\">L\u2019\u00e9dition 2025 s\u2019est de nouveau tenue au Centre des Congr\u00e8s d\u2019Aix-les-Bains, permettant une nouvelle fois aux Journ\u00e9es Techniques du GRETh de s\u2019inscrire dans les standards et de salons nationaux ou internationaux du domaine. L\u2019int\u00e9r\u00eat quant au lieu et surtout \u00e0 propos du contenu technique &amp; scientifique de l\u2019\u00e9v\u00e8nement est important au regard des nombreux retours positifs formul\u00e9s par les participants, adh\u00e9rents du GRETh et non-adh\u00e9rents.<\/p>\n<p style=\"text-align: justify;\">Un des faits marquant de ces journ\u00e9es est notamment la session kak\u00e9monos : cette derni\u00e8re a r\u00e9uni 17 soci\u00e9t\u00e9s et laboratoires de recherches qui sont venus exposer leur savoir-faire, leurs produits et leurs innovations.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%; border-style : hidden!important;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-25252\" src=\"https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-01.png\" alt=\"\" width=\"340\" height=\"240\" srcset=\"https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-01.png 340w, https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-01-95x67.png 95w, https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-01-300x212.png 300w\" sizes=\"auto, (max-width: 340px) 100vw, 340px\" \/><\/td>\n<td style=\"width: 50%; border-style : hidden!important;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-25253\" src=\"https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-02.png\" alt=\"\" width=\"340\" height=\"240\" srcset=\"https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-02.png 340w, https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-02-95x67.png 95w, https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/jt2025-02-300x212.png 300w\" sizes=\"auto, (max-width: 340px) 100vw, 340px\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">Concernant les th\u00e9matiques des pr\u00e9sentations de l\u2019\u00e9dition de 2025, de nombreux sujets ont \u00e9t\u00e9 abord\u00e9s lors des pr\u00e9sentations orales. Ces sujets, d\u00e9velopp\u00e9s par les diff\u00e9rents intervenants, sont \u00e0 l\u2019image de ce que le GRETh promeut depuis sa cr\u00e9ation, \u00e0 savoir l\u2019acc\u00e8s \u00e0 la connaissance et aux innovations du domaine quel que soit les applications ou le niveau de maturit\u00e9 des solutions propos\u00e9es (recherche &amp; d\u00e9veloppement amont, preuve de concept, prototype taille r\u00e9el, produit commercialis\u00e9 industriellement) !<\/p>\n<p style=\"text-align: justify;\">A ce titre, le programme int\u00e9grait des pr\u00e9sentations \u00e0 propos de technologies de tubes \u00e0 haute performances (<strong>Technip Energies<\/strong> &amp; <strong>Wieland<\/strong>), de la conception, fabrication et essai d\u2019un \u00e9changeur cryog\u00e9nique en fabrication additive (Air Liquide), des \u00e9changeurs au R744 (CO2) pour applications automobile (<strong>Thermal Design Solutions<\/strong>), de la simulation dynamique pour la condensation dans les \u00e9changeurs air\/air et air\/eau (<strong>CMDL-Manaslu.ing<\/strong>), de la Conception d\u2019un spreader thermique \u00e0 haute isolation \u00e9lectrique et immunit\u00e9 CEM (<strong>CEA LITEN - DTCH\/LCST<\/strong>), d\u2019un dispositif de stockage de froid par thermosiphon int\u00e9gr\u00e9 \u00e0 un cycle \u00e0 compression de vapeur (<strong>Universit\u00e9 Paris-Saclay \/ INRAE-FRISE<\/strong>), du refroidissement d'\u00e9lectronique de puissance par des caloducs \u00e0 ailettes creuses int\u00e9gr\u00e9es (<strong>CETHIL<\/strong>), ou encore concernant les syst\u00e8mes \u00e0 absorption NH3-H2O (<strong>CEA LITEN - DTCH\/L2TS<\/strong>).<\/p>\n<p style=\"text-align: justify;\">La premi\u00e8re journ\u00e9e a quant \u00e0 elle permis de pr\u00e9senter les travaux du GRETh r\u00e9alis\u00e9s pendant l\u2019ann\u00e9e, avec notamment le Rapport Technique parut courant juillet 2025 portant sur la <strong>fabrication additive m\u00e9tallique appliqu\u00e9e au domaine des \u00e9changeurs<\/strong> (mise \u00e0 jour du RT2016 apr\u00e8s 10 ans de forte \u00e9volution dans le domaine), mais \u00e9galement les r\u00e9sultats de la campagne exp\u00e9rimentale men\u00e9e par le GRETh sur la <strong>caract\u00e9risation d\u2019\u00e9changeurs thermiques \u00e0 plaques bras\u00e9es en \u00e9vaporation et condensation de propane<\/strong>. C\u2019\u00e9tait aussi l\u2019occasion de d\u00e9couvrir la toute prochaine version du logiciel EchTherm et des nouveaut\u00e9s qui y seront int\u00e9gr\u00e9s d\u00e8s Janvier 2026 (Plate &amp; Shell, Grid Rating, \u2026).<\/p>\n<p style=\"text-align: justify;\">Cette journ\u00e9e est \u00e9galement l\u2019occasion de pr\u00e9senter le bilan des activit\u00e9s du GRETh (toujours plus d\u2019adh\u00e9rents !) et la feuille de route pour l\u2019ann\u00e9e 2026 via les votes de priorisation relatifs aux sujets des Rapports Techniques GRETh 2026 et aux d\u00e9veloppements du logiciel de calcul EchTherm (nouvelles technologies, nouvelles fonctionnalit\u00e9s, benchmark avec des essais ou d\u2019autres logiciels).<\/p>\n<p style=\"text-align: justify;\">L\u2019\u00e9quipe du GRETh tient \u00e0 remercier tous les participants, auditeurs adh\u00e9rents et non-adh\u00e9rents, ainsi que l'ensemble des intervenants qui ont contribu\u00e9 \u00e0 faire de ces journ\u00e9es un rendez-vous annuel toujours plus pertinent.<br \/>\nPour acc\u00e9der \u00e0 toutes les pr\u00e9sentations et \u00e0 la liste des participants (r\u00e9serv\u00e9s aux membres adh\u00e9rents du GRETh et aux participants de l\u2019\u00e9v\u00e9nement), veuillez visiter la section \u00ab Journ\u00e9es Techniques \u00bb sur le site internet du GRETh ou suivez directement ce lien : <a href=\"\/journees-techniques-2025\/\">Journ\u00e9es Techniques 2025<\/a>.<\/p>\n<p><strong>Rendez-vous les 18 &amp; 19 novembre 2026 pour la prochaine \u00e9dition des Journ\u00e9es Techniques du GRETh !<\/strong><\/p>\n<div id=\"wpfp_f86771a670540438a06c3c8bec8b3447\" data-item=\"{&quot;sources&quot;:[{&quot;src&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=ASt5IgVgMVQ&quot;,&quot;type&quot;:&quot;video\\\/youtube&quot;}],&quot;id&quot;:&quot;6&quot;,&quot;splash&quot;:&quot;https:\\\/\\\/i.ytimg.com\\\/vi\\\/ASt5IgVgMVQ\\\/maxresdefault.jpg#auto&quot;}\" class=\"flowplayer no-brand is-splash is-paused skin-slim no-svg fp-slim fp-edgy is-youtube\" style=\"position:relative; max-width: 640px; max-height: 360px; \" data-ratio=\"0.5625\" data-engine=\"fvyoutube\">\n\t<div class=\"fp-ratio\" style=\"padding-top: 56.25%\"><\/div>\n\t<img decoding=\"async\" class=\"fp-splash\" alt=\"video\" src=\"https:\/\/i.ytimg.com\/vi\/ASt5IgVgMVQ\/maxresdefault.jpg#auto\" style=\"position:absolute;top:0;width:100%\" \/>\n\t<div class=\"fp-ui\"><noscript>Please enable JavaScript<\/noscript><div class=\"fp-play fp-visible\"><svg class=\"fp-play-sharp-fill\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 100 100\"><defs><style>.fp-color-play{opacity:0.65;}.controlbutton{fill:#fff;}<\/style><\/defs><title>play-sharp-fill<\/title><path class=\"fp-color-play\" d=\"M49.9217-.078a50,50,0,1,0,50,50A50.0564,50.0564,0,0,0,49.9217-.078Z\"\/><polygon class=\"controlbutton\" points=\"73.601 50 37.968 70.573 37.968 29.427 73.601 50\" filter=\"url(#f1)\"\/><\/svg><\/div><div class=\"fp-preload\"><b><\/b><b><\/b><b><\/b><b><\/b><\/div><\/div>\n\n<\/div>\n\n<em>Cr\u00e9dits vid\u00e9o : Captation, production, r\u00e9alisation et montage par Adrien LAITHIER<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;\u00e9dition 2025 des Journ\u00e9es Techniques maintient sa forte fr\u00e9quentation avec pr\u00e8s de 100 participants pendant deux journ\u00e9es intenses d&#8217;\u00e9changes et de d\u00e9couvertes ; un \u00e9v\u00e8nement incontournable dans le domaine des \u00e9changeurs de chaleur. L\u2019\u00e9dition 2025 s\u2019est de nouveau tenue au Centre des Congr\u00e8s d\u2019Aix-les-Bains, permettant une nouvelle fois aux Journ\u00e9es Techniques du GRETh de s\u2019inscrire &hellip;<\/p>","protected":false},"author":1,"featured_media":25331,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-25239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-du-greth"],"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>Retour sur l\u2019\u00e9dition 2025 des Journ\u00e9es Techniques du GRETh - 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\/retour-sur-ledition-2025-des-journees-techniques-du-greth\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Retour sur l\u2019\u00e9dition 2025 des Journ\u00e9es Techniques du GRETh\" \/>\n<meta property=\"og:description\" content=\"L&#039;\u00e9dition 2025 des Journ\u00e9es Techniques maintient sa forte fr\u00e9quentation avec pr\u00e8s de 100 participants pendant deux journ\u00e9es intenses d&#039;\u00e9changes et de d\u00e9couvertes ; un \u00e9v\u00e8nement incontournable dans le domaine des \u00e9changeurs de chaleur. L\u2019\u00e9dition 2025 s\u2019est de nouveau tenue au Centre des Congr\u00e8s d\u2019Aix-les-Bains, permettant une nouvelle fois aux Journ\u00e9es Techniques du GRETh de s\u2019inscrire &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/greth.fr\/en\/retour-sur-ledition-2025-des-journees-techniques-du-greth\/\" \/>\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=\"2025-12-08T15:00:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-11T14:53:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/greth.fr\/wp-content\/uploads\/2025\/12\/news-12-2025d.png\" \/>\n\t<meta property=\"og:image:width\" content=\"370\" \/>\n\t<meta property=\"og:image:height\" content=\"320\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\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\\\/retour-sur-ledition-2025-des-journees-techniques-du-greth\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/retour-sur-ledition-2025-des-journees-techniques-du-greth\\\/\"},\"author\":{\"name\":\"GRETh\",\"@id\":\"https:\\\/\\\/greth.fr\\\/#\\\/schema\\\/person\\\/6e173032c4ce46c14339ff999b721f00\"},\"headline\":\"Retour sur l\u2019\u00e9dition 2025 des Journ\u00e9es Techniques du GRETh\",\"datePublished\":\"2025-12-08T15:00:44+00:00\",\"dateModified\":\"2025-12-11T14:53:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/retour-sur-ledition-2025-des-journees-techniques-du-greth\\\/\"},\"wordCount\":681,\"publisher\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/greth.fr\\\/retour-sur-ledition-2025-des-journees-techniques-du-greth\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/greth.fr\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/news-12-2025d.png\",\"articleSection\":[\"Les actualit\u00e9s du GRETh\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/greth.fr\\\/retour-sur-ledition-2025-des-journees-techniques-du-greth\\\/\",\"url\":\"https:\\\/\\\/greth.fr\\\/retour-sur-ledition-2025-des-journees-techniques-du-greth\\\/\",\"name\":\"Retour sur l\u2019\u00e9dition 2025 des Journ\u00e9es Techniques du GRETh - 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