{"id":4474,"date":"2026-04-22T11:54:40","date_gmt":"2026-04-22T15:54:40","guid":{"rendered":"https:\/\/blog.vantage-dc.com\/?p=4474"},"modified":"2026-06-17T14:51:54","modified_gmt":"2026-06-17T18:51:54","slug":"cooling-without-the-drain-how-closed-loop-systems-cut-day-to-day-water-use","status":"publish","type":"post","link":"https:\/\/blog.vantage-dc.com\/fr-ca\/2026\/04\/22\/cooling-without-the-drain-how-closed-loop-systems-cut-day-to-day-water-use\/","title":{"rendered":"Refroidissement sans vidange : comment les syst\u00e8mes en boucle ferm\u00e9e r\u00e9duisent la consommation d'eau quotidienne"},"content":{"rendered":"<p>Chaque requ\u00eate de recherche, flux vid\u00e9o, transaction bancaire et charge de travail d'IA d\u00e9pend du calcul ex\u00e9cut\u00e9 dans un centre de donn\u00e9es, et ce calcul g\u00e9n\u00e8re de la chaleur qui doit \u00eatre \u00e9vacu\u00e9e, de mani\u00e8re s\u00fbre et continue. Pour cette raison, le refroidissement est l'une des d\u00e9cisions de conception les plus importantes qu'un op\u00e9rateur de centre de donn\u00e9es prend. Chez Vantage Data Centers, le refroidissement en boucle ferm\u00e9e est l'une des innovations que nous d\u00e9ployons pour obtenir une efficacit\u00e9 \u00e9nerg\u00e9tique \u00e9lev\u00e9e tout en r\u00e9duisant consid\u00e9rablement la consommation d'eau continue.<\/p>\n<h2><strong>Qu'est-ce que le refroidissement en circuit ferm\u00e9 ?<\/strong><\/h2>\n<p>Le refroidissement en boucle ferm\u00e9e est un moyen de refroidir les serveurs et les \u00e9quipements de r\u00e9seau \u00e0 l'int\u00e9rieur d'un centre de donn\u00e9es. En termes simples, il fait circuler de l'eau \u00e0 travers une tuyauterie scell\u00e9e pour absorber la chaleur des modules de donn\u00e9es, puis rejette cette chaleur dans l'air ext\u00e9rieur tout en maintenant le fluide de refroidissement contenu afin qu'il puisse \u00eatre r\u00e9utilis\u00e9 encore et encore. Comme la boucle est ferm\u00e9e et \u00e9tanche, elle \u00e9vite le rejet quotidien d'eau associ\u00e9 \u00e0 de nombreuses approches de refroidissement par \u00e9vaporation.<\/p>\n<h2><strong>Comment le syst\u00e8me fonctionne (de la mise en service au fonctionnement stable) :<\/strong><\/h2>\n<p>Comme la plupart des grands syst\u00e8mes m\u00e9caniques, le refroidissement.<\/p>\n<p>Pour prot\u00e9ger les \u00e9quipements sur le long terme, le fluide en circuit ferm\u00e9 comprend des additifs courants de traitement de l'eau tels que des agents anticorrosion et des correcteurs de pH. Ceux-ci sont utilis\u00e9s pour maintenir une chimie optimale et aider \u00e0 pr\u00e9venir la rouille et la corrosion, augmentant ainsi la dur\u00e9e de vie utile de l'\u00e9quipement, de la tuyauterie et du fluide. En fonctionnement normal, la nature \u00e9tanche du syst\u00e8me signifie que les appointements de routine ne devraient pas \u00eatre n\u00e9cessaires ; de l'eau d'appoint suppl\u00e9mentaire n'est g\u00e9n\u00e9ralement n\u00e9cessaire qu'en cas de fuite ou d'intervention de maintenance.<\/p>\n<figure id=\"attachment_4475\" aria-describedby=\"caption-attachment-4475\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4475\" src=\"https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-22-at-10.20.54-AM.png\" alt=\"\" width=\"600\" height=\"468\" srcset=\"https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-22-at-10.20.54-AM.png 732w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-22-at-10.20.54-AM-300x234.png 300w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-22-at-10.20.54-AM-585x456.png 585w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-4475\" class=\"wp-caption-text\"><span data-teams=\"true\">Le refroidissement en circuit ferm\u00e9 recycle en continu l'eau pour \u00e9conomiser l'une des pr\u00e9cieuses ressources de la nature tout en \u00e9liminant la pression sur les infrastructures locales; cette technique de refroidissement r\u00e9duit consid\u00e9rablement la consommation d'eau par rapport aux m\u00e9thodes de refroidissement traditionnelles des centres de donn\u00e9es.<\/span><\/figcaption><\/figure>\n<h2><strong>Pourquoi un refroidissement en circuit ferm\u00e9 ? Les avantages et les inconv\u00e9nients :<\/strong><\/h2>\n<p>Le refroidissement en circuit ferm\u00e9 est con\u00e7u pour \u00e9quilibrer deux priorit\u00e9s qui importent autant aux clients qu'aux communaut\u00e9s : l'efficacit\u00e9 \u00e9nerg\u00e9tique et la gestion de l'eau.<\/p>\n<ul>\n<li><strong>Haute efficacit\u00e9 \u00e9nerg\u00e9tique :<\/strong> En d\u00e9pla\u00e7ant efficacement la chaleur par un fluide en circulation et en la dissipant dans l'air ext\u00e9rieur, les syst\u00e8mes en boucle ferm\u00e9e peuvent contribuer \u00e0 r\u00e9duire l'\u00e9nergie n\u00e9cessaire au refroidissement.<\/li>\n<li><strong>Haute efficacit\u00e9 hydrique :<\/strong> \u00c9tant donn\u00e9 que le syst\u00e8me est scell\u00e9, l'eau de refroidissement est conserv\u00e9e \u00e0 l'int\u00e9rieur de la tuyauterie et recycl\u00e9e en continu, ce qui permet de r\u00e9duire la consommation d'eau au quotidien par rapport aux m\u00e9thodes par \u00e9vaporation.<\/li>\n<li><strong>Con\u00e7u pour le calcul intensif :<\/strong> Bien que le concept d'utilisation de liquide pour d\u00e9placer la chaleur ne soit pas nouveau, son application s\u00fbre et efficace dans des environnements informatiques denses et \u00e0 haute disponibilit\u00e9 n\u00e9cessite une conception m\u00e9canique et des contr\u00f4les sophistiqu\u00e9s.<\/li>\n<\/ul>\n<p>Comme pour toute strat\u00e9gie de refroidissement, il existe des compromis. Diff\u00e9rentes approches peuvent optimiser diff\u00e9rents r\u00e9sultats, tels que le plus faibleindice d'efficacit\u00e9 \u00e9nerg\u00e9tique (PUE) possible, le plus faible.<\/p>\n<h2><strong>Comment le refroidissement en circuit ferm\u00e9 se compare-t-il aux autres approches :<\/strong><\/h2>\n<p>\u00c0 un niveau g\u00e9n\u00e9ral, les approches de refroidissement des centres de donn\u00e9es s'inscrivent souvent dans trois grandes cat\u00e9gories. Chacune a ses forces et ses compromis, et la solution la mieux adapt\u00e9e d\u00e9pend du climat, des conditions d'exploitation et des exigences du client.<\/p>\n<ul>\n<li><strong>Rejet de chaleur par \u00e9vaporation :<\/strong> Similaire au refroidissement en boucle ferm\u00e9e en topologie, mais utilise des tours de refroidissement pour rejeter la chaleur dans l'atmosph\u00e8re. Les tours de refroidissement utilisent des volumes d'eau importants sur une base 24 heures sur 24, 7 jours sur 7, 365 jours par an.<\/li>\n<li><strong>Rejet de chaleur s\u00e8che :<\/strong> Nos syst\u00e8mes de refroidissement en circuit ferm\u00e9 entrent dans cette cat\u00e9gorie, l'eau (le cas \u00e9ch\u00e9ant) est recircul\u00e9e. La chaleur est rejet\u00e9e dans l'atmosph\u00e8re sans aucune \u00e9vaporation.<\/li>\n<li><strong>Refroidissement par \u00e9vaporation directe\/indirect :<\/strong> Cette m\u00e9thode utilise l'\u00e9vaporation de l'eau pour refroidir l'air \u00e0 l'int\u00e9rieur d'un centre de donn\u00e9es. Elle peut fournir des PUE tr\u00e8s faibles, mais elle consomme de l'eau au quotidien.<\/li>\n<\/ul>\n<figure id=\"attachment_4476\" aria-describedby=\"caption-attachment-4476\" style=\"width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4476 size-medium\" src=\"https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/S010_sh0175_Delivery_v03-300x196.jpeg\" alt=\"\" width=\"300\" height=\"196\" srcset=\"https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/S010_sh0175_Delivery_v03-300x196.jpeg 300w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/S010_sh0175_Delivery_v03-1024x670.jpeg 1024w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/S010_sh0175_Delivery_v03-768x503.jpeg 768w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/S010_sh0175_Delivery_v03-1536x1005.jpeg 1536w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/S010_sh0175_Delivery_v03-2048x1341.jpeg 2048w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/S010_sh0175_Delivery_v03-585x383.jpeg 585w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4476\" class=\"wp-caption-text\">Chez Vantage's <a href=\"https:\/\/vantage-dc.com\/data-center-locations\/north-america\/port-washington-wisconsin\">Campus du Wisconsin<\/a> qui exploite un syst\u00e8me de refroidissement en circuit ferm\u00e9, l'utilisation maximale d'eau sera d'environ<strong>22\u00a0000 gallons par jour<\/strong>, l'\u00e9quivalent d'environ 65 foyers, contre<strong>5 000 000 gallons par jour<\/strong>pour un campus d'une taille similaire utilisant le refroidissement \u00e9vaporatif. La consommation d'eau quotidienne est principalement due aux activit\u00e9s normales de bureau telles que les toilettes et le nettoyage.<\/figcaption><\/figure>\n<p>L'une des principales raisons pour lesquelles Vantage privil\u00e9gie le refroidissement sec par rapport au refroidissement par \u00e9vaporation est que, en r\u00e8gle g\u00e9n\u00e9rale, l'\u00e9vaporation a le plus grand impact dans les climats chauds et secs, c'est-\u00e0-dire l\u00e0 o\u00f9 l'eau est g\u00e9n\u00e9ralement rare et de moindre qualit\u00e9 (\u00e0 des fins d'\u00e9vaporation). Pour cette raison, nous concevons nos syst\u00e8mes de b\u00e2timents pour fonctionner sans utiliser l'\u00e9vaporation. En couplant le rejet de chaleur sec avec des serveurs refroidis par liquide, nous sommes capables d'atteindre un bon \u00e9quilibre entre une efficacit\u00e9 \u00e9nerg\u00e9tique \u00e9lev\u00e9e et une utilisation d'eau quasi nulle.<\/p>\n<h2><strong>Approvisionnement en eau et impact communautaire :<\/strong><\/h2>\n<p>Vantage s'efforce de s'approvisionner en eau de mani\u00e8re responsable, aupr\u00e8s des services publics locaux, dans la mesure du possible. Selon la r\u00e9gion, cela peut inclure l'eau municipale et, sur certains march\u00e9s o\u00f9 elle est disponible, l'eau retrait\u00e9e (r\u00e9utilis\u00e9e) fournie par le service public local. Par exemple, Vantage utilise de l'eau retrait\u00e9e sur certains campus de centres de donn\u00e9es \u00e0 Santa Clara, en Californie.<\/p>\n<p>Le refroidissement en circuit ferm\u00e9 fait partie d'une approche plus large pour la conception d'installations de haute performance. Vantage s'est engag\u00e9 \u00e0 obtenir la certification des b\u00e2timents durables pour ses nouveaux d\u00e9veloppements, ce qui renforce la n\u00e9cessit\u00e9 de faire des choix \u00e9conomes en \u00e9nergie et en eau sur l'ensemble du site, du refroidissement et de l'\u00e9clairage aux robinetteries et \u00e0 l'\u00e9limination de l'irrigation ext\u00e9rieure lorsque cela est possible.<\/p>\n<p>Au-del\u00e0 du b\u00e2timent du centre de donn\u00e9es lui-m\u00eame, Vantage s'engage \u00e9galement en faveur de la positivit\u00e9 hydrique pour les nouveaux centres de donn\u00e9es, ce qui n'est qu'une des nombreuses <a href=\"https:\/\/blog.vantage-dc.com\/fr-ca\/2026\/03\/26\/our-approach-to-responsible-growth\/\" target=\"_blank\" rel=\"noopener\">les objectifs de d\u00e9veloppement durable<\/a> nous devons assurer une croissance responsable dans le monde entier. Nous nous concentrons d'abord sur la r\u00e9duction de la consommation d'eau gr\u00e2ce \u00e0 un refroidissement et \u00e0 des op\u00e9rations efficaces, et lorsque de l'eau est n\u00e9cessaire, nous soutenons les efforts qui aident \u00e0 reconstituer les bassins hydrographiques locaux. Ce travail est guid\u00e9 par les conditions locales, notamment la disponibilit\u00e9 de l'eau, le stress r\u00e9gional et les besoins de la communaut\u00e9.<\/p>\n<figure id=\"attachment_4477\" aria-describedby=\"caption-attachment-4477\" style=\"width: 300px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4477 size-medium\" src=\"https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/Picture1-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/Picture1-300x169.jpg 300w, https:\/\/blog.vantage-dc.com\/wp-content\/uploads\/2026\/04\/Picture1.jpg 451w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4477\" class=\"wp-caption-text\">Situ\u00e9 pr\u00e8s de.<\/figcaption><\/figure>\n<p>Un exemple est le <a href=\"https:\/\/vantage-dc.com\/news\/vantage-data-centers-pledges-3m-to-lakeshore-natural-resource-partnership-to-restore-valley-creek-corridor-and-advance-water-positivity-in-wisconsin\/\">Restauration du corridor de Valley Creek<\/a> \u00e0 Port Washington, Wisconsin, une initiative que Vantage soutient pour am\u00e9liorer le d\u00e9bit des cours d'eau, r\u00e9duire le risque d'inondation pour les voisins et renforcer l'habitat des esp\u00e8ces aquatiques et v\u00e9g\u00e9tales indig\u00e8nes.<\/p>\n<p>Alors que la demande num\u00e9rique augmente, notamment avec l'IA et d'autres charges de travail \u00e0 haute densit\u00e9, l'innovation en mati\u00e8re de refroidissement devient centrale pour construire la prochaine g\u00e9n\u00e9ration de centres de donn\u00e9es fiables et efficaces. Le refroidissement en boucle ferm\u00e9e est l'une des nombreuses fa\u00e7ons dont Vantage con\u00e7oit pour la performance aujourd'hui tout en soutenant une utilisation responsable des ressources dans les endroits o\u00f9 nous op\u00e9rons.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Every search query, video stream, bank transaction and AI workload depends on compute running inside a data center, and that compute generates heat that must&#8230;<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>","protected":false},"author":5,"featured_media":4482,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"mc4wp_mailchimp_campaign":[],"footnotes":""},"categories":[230,233],"tags":[781,784,778,351,572,782,419,488,311,783,779,780],"class_list":["post-4474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-center-construction","category-editors-picks","tag-ai-infrastructure","tag-climate-aware-design","tag-closed-loop-cooling","tag-data-center-cooling","tag-energy-efficiency","tag-environmental-responsibility","tag-hyperscale-data-centers","tag-liquid-cooling","tag-sustainability","tag-water-positivity","tag-water-usage-effectiveness","tag-wue"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cooling Without the Drain: How Closed-Loop Systems Cut Day-to-Day Water Use - Data Centers 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