{"id":213,"date":"2025-08-16T13:47:00","date_gmt":"2025-08-16T13:47:00","guid":{"rendered":"https:\/\/www.jirinomia.fr\/blog\/?p=213"},"modified":"2025-09-13T16:11:58","modified_gmt":"2025-09-13T16:11:58","slug":"refroidissement-chauffage-par-muscles-artificiels","status":"publish","type":"post","link":"https:\/\/www.jirinomia.fr\/blog\/2025\/08\/16\/refroidissement-chauffage-par-muscles-artificiels\/","title":{"rendered":"Refroidissement\/Chauffage par \u201cmuscles artificiels\u00a0\u00bb"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Pr\u00e9sentation rapide<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Des chercheurs de l\u2019Universit\u00e9 de la Sarre (Saarland University) et du Centre de M\u00e9catronique et Technologie d\u2019Automatisation (ZeMa) d\u00e9veloppent une m\u00e9thode de climatisation \/ chauffage durable sans fluide frigorig\u00e8ne. Elle utilise l\u2019effet <strong>elastocalorique<\/strong> d\u2019alliages \u00e0 m\u00e9moire de forme (notamment du nitinol \u2014 un alliage nickel-titane) : en \u00e9tirant \/ rel\u00e2chant des fils ou feuilles tr\u00e8s fins, ces mat\u00e9riaux absorbent de la chaleur lorsqu\u2019ils passent d\u2019un \u00e9tat \u00e0 un autre (phase cristalline), puis la restituent quand ils reviennent \u00e0 leur \u00e9tat initial. Un prototype mini-r\u00e9frig\u00e9rateur \u201cair-\u00e0-air\u201d a \u00e9t\u00e9 pr\u00e9sent\u00e9, utilisant des fils de nitinol de 200 microns, capable de refroidir une chambre de \u224810-12 \u00b0C, avec une diff\u00e9rence de temp\u00e9rature d\u2019environ 20 \u00b0C.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9dia de pr\u00e9sentation<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Elastocalorics 2023 - Recap\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/Vror_BucylM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<!-- PDF Embedder: Please provide an \"URL\" attribute in your shortcode. -->\n\n\n<h2 class=\"wp-block-heading\">Informations de base<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fabricant : <\/strong>Universit\u00e9 de la Sarre (Saarland University), laboratoire ZeMa (Centre for Mechatronics and Automation Technology), groupe de recherche \u201cSmart Material Systems\u201d dirig\u00e9 par les professeurs Stefan Seelecke et Paul Motzki<br><strong>Site du fabricant :<\/strong> <a href=\"https:\/\/www.uni-saarland.de\/aktuell\/hannover-messe-elastocalorics-36482.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.uni-saarland.de\/aktuell\/hannover-messe-elastocalorics-36482.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Etat de commercialisation :<\/strong> Prototype <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Usage :<\/strong> Habitat individuel \/ Habitat collectif <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Statut Jirinomia :<\/strong> En cours de vote <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Analyse rapide<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"color:#4CAF50;\">Avantage(s)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pas ou peu de fluides frigorig\u00e8nes<\/strong> \u2014 le proc\u00e9d\u00e9 \u00e9limine ou r\u00e9duit fortement l\u2019usage de gaz\/clim qui sont souvent nocifs pour le climat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Efficacit\u00e9 \u00e9nerg\u00e9tique potentielle \u00e9lev\u00e9e<\/strong> \u2014 le mat\u00e9riau et le proc\u00e9d\u00e9 peuvent \u00eatre plus efficients que la climatisation conventionnelle (chauffage\/clim) selon les premiers r\u00e9sultats. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Polyvalence (chauffage + refroidissement)<\/strong> \u2014 m\u00eame dispositif peut servir \u00e0 chauffer ou refroidir selon la configuration.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"color:#FF5722;\">Limite(s)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Capacit\u00e9 limit\u00e9e \u00e0 ce stade<\/strong> \u2014 le prototype pr\u00e9sent\u00e9 est assez petit (mini-r\u00e9frig\u00e9rateur) : capacit\u00e9 modeste, ne couvre pas encore des volumes importants. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Complexit\u00e9 de mise en \u0153uvre<\/strong> \u2014 n\u00e9cessit\u00e9 de concevoir le m\u00e9canisme (cam-track \/ rotation des fils), circulation de l\u2019air, dimensionnement des fils, gestion des cycles, etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Durabilit\u00e9 \/ fatigue<\/strong> \u2014 les alliages \u00e0 m\u00e9moire de forme sont soumis \u00e0 des cycles r\u00e9p\u00e9t\u00e9s ; leur long\u00e9vit\u00e9, leur efficacit\u00e9 de cycle apr\u00e8s de nombreuses utilisations, leur r\u00e9sistance m\u00e9canique\/\u00e9crouissage\/r\u00e9chauffement doivent \u00eatre bien test\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Co\u00fbt &amp; disponibilit\u00e9<\/strong> \u2014 mat\u00e9riaux (nitinol) et fabrication, m\u00e9caniques complexes, prototypage, pi\u00e8ces sp\u00e9cialis\u00e9es, co\u00fbt potentiel \u00e9lev\u00e9, surtout pour une installation domestique \u00e0 grande \u00e9chelle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Liens &amp; sources diverses<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.hannovermesse.de\/product\/air-to-air-mini-refrigerator\/452452\/N1484761?\" target=\"_blank\" rel=\"noopener\">https:\/\/www.hannovermesse.de\/product\/air-to-air-mini-refrigerator\/452452\/N1484761?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/e3.eurekalert.org\/news-releases\/1077186\" target=\"_blank\" rel=\"noopener\">https:\/\/e3.eurekalert.org\/news-releases\/1077186<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Questionnaire Jirinomia<\/h2>\n\n\n<p>\ud83d\udd12 Connectez-vous pour acc\u00e9der \u00e0 ce contenu. <a href=\"https:\/\/www.jirinomia.fr\/blog\/wp-login.php?redirect_to=%2Fblog%2Fwp-json%2Fwp%2Fv2%2Fposts%2F213\">Se connecter<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9sentation rapide Des chercheurs de l\u2019Universit\u00e9 de la Sarre (Saarland University) et du Centre de M\u00e9catronique et Technologie d\u2019Automatisation (ZeMa) d\u00e9veloppent une m\u00e9thode de climatisation \/ chauffage durable sans fluide frigorig\u00e8ne. Elle utilise l\u2019effet elastocalorique d\u2019alliages \u00e0 m\u00e9moire de forme (notamment du nitinol \u2014 un alliage nickel-titane) : en \u00e9tirant \/ rel\u00e2chant des fils ou feuilles tr\u00e8s fins, ces mat\u00e9riaux [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":270,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,5],"tags":[],"class_list":["post-213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climatisation","category-energie"],"_links":{"self":[{"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/posts\/213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/comments?post=213"}],"version-history":[{"count":3,"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/posts\/213\/revisions"}],"predecessor-version":[{"id":271,"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/posts\/213\/revisions\/271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/media\/270"}],"wp:attachment":[{"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/media?parent=213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/categories?post=213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jirinomia.fr\/blog\/wp-json\/wp\/v2\/tags?post=213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}