{"id":16881,"date":"2023-02-15T15:00:01","date_gmt":"2023-02-15T14:00:01","guid":{"rendered":"https:\/\/greth.fr\/?p=16881"},"modified":"2024-07-18T11:43:48","modified_gmt":"2024-07-18T09:43:48","slug":"transfert-thermique-en-condensation-dans-les-echangeurs-a-plaques-et-ailettes","status":"publish","type":"post","link":"https:\/\/greth.fr\/en\/transfert-thermique-en-condensation-dans-les-echangeurs-a-plaques-et-ailettes\/","title":{"rendered":"Condensation heat transfer in plate and fin heat exchangers : Synthetic review of the main and latest correlations"},"content":{"rendered":"<strong><span style=\"text-decoration: underline;\">Summary :<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">The purpose of this report is to list and provide a critical review of the heat transfer coefficient calculation methods within plate-fin heat exchangers (PFHE), and more specifically in the two-phase condensing flow case.<\/p>\n<p style=\"text-align: justify;\">This document is exclusively available to GRETh members who have requested a report on this topic at the 2021 General Assembly.<\/p>\n<p style=\"text-align: justify;\">In general, this report, after an important screening of the scientific publications databases, lists the heat transfer coefficient calculation methods in the form of correlations, which allows a simplified use.<\/p>\n<p style=\"text-align: justify;\">The most relevant correlations have been selected according to the following main criteria :<\/p>\n<ul>\n<li style=\"text-align: justify;\">the choice of correlations specifically developed or applied to PFHE & correlations widely accepted in the scientific literature in horizontal mini-channels;<\/li>\n<li style=\"text-align: justify;\">the implementation of correlations as close as possible to their validity range & outside their validity range (reliability & robustness correlation analysis).<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">The content of this report is focused according to :<\/p>\n<ul>\n<li style=\"text-align: justify;\">Comparisons of the selected correlations with correlations considered \"more conservative\" and to be applicable to the same operating conditions in order to judge the quality of the obtained results;<\/li>\n<li style=\"text-align: justify;\">As far as possible, comparisons outside the validity domains for which the PFHE specific correlations were developed in order to assess the relevance of these correlations.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Thus, the results presented in this report, mainly in the form of heat transfer coefficient evolution graphs, are the outcome of the new correlations coding and calculation (as well as the usual correlations) in specific operation and variation cases.<\/p>\n<p style=\"text-align: justify;\">We hope that this report will bring you concrete elements that can be integrated for your heat exchanger sizing and\/or simulation of whole systems.<\/p>\n<table width=\"100%\" border=\"1\">\n<tr>\n<td><strong>Author(s)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>GRETh<\/td>\n<\/tr>\n<tr>\n<td><strong>Year<\/strong><\/td>\n<\/tr>\n<tr>\n<td>2022<\/td>\n<\/tr>\n<tr>\n<td><strong>Keywords<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Heat transfer, Heat transfer coefficient, Two-phase flow, Condensation, Refrigerants, Correlations, Plate and fin exchangers - PFHE, Mini \/ macro channels heat exchangers.<\/td>\n<\/tr>\n<\/table>\n\n&nbsp;<\/p>\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 GRETh <a style=\"text-decoration: none;\" href=\"\/en\/offre-du-greth\/\"><span style=\"background-color: #c6002c; color: #fff;\">\"PREMIUM\"<\/span><\/a> members!<\/strong><\/p>\n<p>&#x2666; If you are not a GRETh member, you can consult the offer proposed by GRETh <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>Summary :<br \/>\nCe rapport a pour objectif de r\u00e9pertorier et d&#8217;apporter un regard critique sur les m\u00e9thodes de calcul de coefficients d&#8217;\u00e9change thermique au sein d\u2019\u00e9changeurs de chaleur \u00e0 plaques et ailettes (PFHE), et plus sp\u00e9cifiquement dans le cas d\u2019\u00e9coulements diphasiques en condensation.<br \/>\nCe document est mis \u00e0 disposition de fa\u00e7on exclusive aux adh\u00e9rents du GRETh qui ont formul\u00e9 la demande d\u2019un rapport sur le pr\u00e9sent sujet lors de l\u2019Assembl\u00e9e G\u00e9n\u00e9rale de 2021.<br \/>\nDe mani\u00e8re g\u00e9n\u00e9rale, ce rapport, apr\u00e8s un tri important dans les bases de donn\u00e9es de publications scientifiques, liste des m\u00e9thodes de calculs de coefficients d\u2019\u00e9change thermique sous forme de corr\u00e9lations ce qui en permet une utilisation simplifi\u00e9e.<\/p>","protected":false},"author":1,"featured_media":16882,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,23],"tags":[6379,6381,6383,6384,6386,6380,6382,6385,6378],"class_list":["post-16881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-documents","category-rapports-techniques","tag-coefficient-dechange","tag-condensation","tag-correlations","tag-echangeurs-a-plaques-et-ailettes","tag-echangeurs-mini-macro-canaux","tag-ecoulement-diphasique","tag-fluides-frigorigenes","tag-pfhe","tag-transfert-de-chaleur"],"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>Transfert thermique en condensation dans les \u00e9changeurs \u00e0 plaques et ailettes - 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\/transfert-thermique-en-condensation-dans-les-echangeurs-a-plaques-et-ailettes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transfert thermique en condensation dans les \u00e9changeurs \u00e0 plaques et ailettes\" \/>\n<meta property=\"og:description\" content=\"R\u00e9sum\u00e9 : Ce rapport a pour objectif de r\u00e9pertorier et d&#039;apporter un regard critique sur les m\u00e9thodes de calcul de coefficients d&#039;\u00e9change thermique au sein d\u2019\u00e9changeurs de chaleur \u00e0 plaques et ailettes (PFHE), et plus sp\u00e9cifiquement dans le cas d\u2019\u00e9coulements diphasiques en condensation. 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