{"id":4548,"date":"2026-08-11T18:12:17","date_gmt":"2026-08-12T01:12:17","guid":{"rendered":"https:\/\/www.26yc.com\/organic-rankine-cycle-waste-heat-electricity-en\/"},"modified":"2026-10-09T17:57:00","modified_gmt":"2026-10-10T00:57:00","slug":"organic-rankine-cycle-waste-heat-electricity-en","status":"publish","type":"post","link":"https:\/\/www.26yc.com\/fr\/organic-rankine-cycle-waste-heat-electricity-en\/","title":{"rendered":"Cycle Rankine organique : de la chaleur perdue \u00e0 l'\u00e9lectricit\u00e9"},"content":{"rendered":"<h2>Heat That Usually Goes to Waste<\/h2>\n<p>Many industrial processes reject heat at temperatures too low for conventional steam turbines but still high enough to be useful. Instead of venting it, that heat can be converted into electricity with an Organic Rankine Cycle.<\/p>\n<h2>How ORC Works<\/h2>\n<p>Un ORC est un cycle de Rankine utilisant un fluide de travail organique \u00e0 bas point d'\u00e9bullition au lieu de l'eau. La chaleur r\u00e9siduelle \u00e9vapore le fluide, la vapeur entra\u00eene une turbine ou un expandeur pour produire de l'\u00e9lectricit\u00e9, et le fluide est condens\u00e9 puis pomp\u00e9 en retour. Le cycle transforme l'\u00e9nergie thermique perdue en \u00e9lectricit\u00e9 de qualit\u00e9 r\u00e9seau.<\/p>\n<h2>Where ORC Pays Off<\/h2>\n<ul>\n<li>Chaleur r\u00e9siduelle de moyenne et basse temp\u00e9rature, g\u00e9n\u00e9ralement de 80 \u00e0 300 degr\u00e9s Celsius.<\/li>\n<li>Courants de proc\u00e9d\u00e9 continus o\u00f9 la chaleur est disponible en permanence.<\/li>\n<li>Sites avec prix d'\u00e9lectricit\u00e9 \u00e9lev\u00e9s ou co\u00fbts carbone, o\u00f9 chaque kilowatt-heure r\u00e9cup\u00e9r\u00e9 a une valeur claire.<\/li>\n<\/ul>\n<h2>ORC and Heat Recovery Working Together<\/h2>\n<p>L'ORC est la derni\u00e8re \u00e9tape d'une cha\u00eene de r\u00e9cup\u00e9ration. La chaleur de haut grade est utilis\u00e9e directement ; la chaleur de moyen grade alimente un ORC ; et ce qui reste peut encore pr\u00e9chauffer l'air ou l'eau via des \u00e9changeurs \u00e0 plaques. Superposer les technologies de r\u00e9cup\u00e9ration maximise la valeur d'une seule source de chaleur.<\/p>\n<h2>Practical Considerations<\/h2>\n<ul>\n<li>Le retour sur investissement d\u00e9pend de la quantit\u00e9 de chaleur, de la temp\u00e9rature et des heures de fonctionnement.<\/li>\n<li>Le choix du fluide de travail affecte l'efficacit\u00e9 et la maintenance.<\/li>\n<li>Commencez par la mesure : un audit chaleur-et-puissance montre si l'ORC se justifie face \u00e0 une r\u00e9cup\u00e9ration air-air plus simple.<\/li>\n<\/ul>\n<h2>Outlook<\/h2>\n<p>\u00c0 mesure que les co\u00fbts \u00e9nerg\u00e9tiques montent, la conversion de la chaleur r\u00e9siduelle en puissance passe du pilote \u00e0 la pratique standard. Pour les usines dot\u00e9es d'une chaleur de bas grade stable, l'ORC est l'un des chemins les plus clairs du centre de co\u00fbt vers le petit g\u00e9n\u00e9rateur d'\u00e9lectricit\u00e9.<\/p>\n<div class=\"yc-related\">\n<h3>Articles connexes<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.26yc.com\/fr\/hr-vs-erv-differences\/\">VRC vs. VRE : la diff\u00e9rence qui d\u00e9termine le confort de votre b\u00e2timent<\/a><\/li>\n<li><a href=\"https:\/\/www.26yc.com\/fr\/data-center-support-space-heat-recovery\/\">R\u00e9cup\u00e9ration de chaleur des espaces annexes de centres de donn\u00e9es : bureaux, laboratoires et quais<\/a><\/li>\n<li><a href=\"https:\/\/www.26yc.com\/fr\/heat-recovery-ventilation-retrofit\/\">Retrofitting Heat Recovery Ventilation into Older Buildings<\/a><\/li>\n<li><a href=\"https:\/\/www.26yc.com\/fr\/wastewater-treatment-heat-recovery\/\" title=\"Recuperation de chaleur dans les stations d&#039;epuration des eaux usees : du digesteur au batiment\">Recuperation de chaleur dans les stations d'epuration des eaux usees : du digesteur au batiment<\/a><\/li>\n<li><a href=\"https:\/\/www.26yc.com\/fr\/industrial-heat-recovery-guide\/\" title=\"Industrial Heat Recovery Technology: Principles, Common Equipment, and Energy-Saving Benefits\">Industrial Heat Recovery Technology: Principles, Common Equipment, and Energy-Saving Benefits<\/a><\/li>\n<\/ul>\n<\/div>\n<h2>Questions fr\u00e9quemment pos\u00e9es<\/h2>\n<p><strong>What is an Organic Rankine Cycle?<\/strong><br \/>It is a Rankine power cycle that uses an organic working fluid with a low boiling point instead of water, letting it generate electricity from heat too cool for a conventional steam turbine.<\/p>\n<p><strong>What temperature range suits ORC?<\/strong><br \/>ORC typically targets medium- and low-temperature waste heat, often in the range of roughly 80 to 300 degrees Celsius, depending on the working fluid and system design.<\/p>\n<p><strong>Where does ORC pay off?<\/strong><br \/>It pays off where a steady stream of low-grade heat is available, such as engine and turbine exhaust, industrial process streams, geothermal sources, and biomass combustion.<\/p>\n<p><strong>How does ORC compare with direct heat recovery?<\/strong><br \/>Direct air-to-air or air-to-water recovery reuses heat on site at high efficiency, while ORC converts heat into flexible electricity that can be exported, at a higher capital cost and lower overall efficiency.<\/p>","protected":false},"excerpt":{"rendered":"<p>Heat That Usually Goes to Waste Many industrial processes reject heat at temperatures too low for conventional steam turbines but still high enough to be useful. Instead of venting it, that heat can be converted into electricity with an Organic Rankine Cycle. How ORC Works An ORC is a Rankine cycle that uses an organic [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72,70],"tags":[172],"class_list":["post-4548","post","type-post","status-publish","format-standard","hentry","category-heat-recovery","category-industrial","tag-waste-heat-recovery"],"_links":{"self":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts\/4548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/comments?post=4548"}],"version-history":[{"count":4,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts\/4548\/revisions"}],"predecessor-version":[{"id":5309,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts\/4548\/revisions\/5309"}],"wp:attachment":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/media?parent=4548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/categories?post=4548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/tags?post=4548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}