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{"id":1450,"date":"2010-07-28T10:30:55","date_gmt":"2010-07-28T08:30:55","guid":{"rendered":"https:\/\/energethique.be\/?p=1450"},"modified":"2010-07-28T10:30:55","modified_gmt":"2010-07-28T08:30:55","slug":"le-vent-cet-insatiable-pourvoyeur-denergie","status":"publish","type":"post","link":"https:\/\/energethique.be\/2010\/le-vent-cet-insatiable-pourvoyeur-denergie\/","title":{"rendered":"Le vent cet insatiable pourvoyeur d’\u00e9nergie"},"content":{"rendered":"

L’\u00e9olien tout le monde connait, on peut m\u00eame dire que \u00e7a fait partie de nos cahiers d’histoire puisqu’on retrouve les premi\u00e8res traces d’exploitation de l’\u00e9nergie \u00e9olienne au VII\u00e8me si\u00e8cle en Perse.<\/p>\n

En Europe il faudra attendre un petit peu puisque ce n’est qu’au XII\u00e8me si\u00e8cle que son apparition se fait, tout d’abord timidement le long du littoral avant de s’imposer dans nos campagnes.<\/p>\n

Ceci pour dire que les machins qui tournent au gr\u00e8s du vent et qui transforme cette \u00e9nergie gratuite et invisible en mouvement rotatif ne datent pas d’hier.<\/p>\n

N’aurait-on rien invent\u00e9 depuis le moyen \u00e2ge ?<\/p>\n

Bien s\u00fbr que si, la technique est venue am\u00e9liorer les rendements et les mat\u00e9riaux modernes ont rendu possible ces moulins gigantesques o\u00f9 l’on va de record de hauteur en record de puissance.<\/p>\n

On sait aujourd’hui gr\u00e2ce \u00e0 ces am\u00e9liorations orienter de fa\u00e7on optimale les \u00e9oliennes pour en optimiser le rendement et ce sans parler de peinture sp\u00e9ciale peau de requin<\/em> qui facilite l’\u00e9coulement et augmente d’autant l’efficacit\u00e9.<\/p>\n

Et quoi de neuf aujourd’hui ?<\/p>\n

Une \u00e9quipe de l’universit\u00e9 de Cornell (New-York) vient de d\u00e9velopper un prototype permettant de transformer les vibrations du vent en \u00e9nergie m\u00e9canique et \u00e9lectrique.<\/p>\n

L’avantage ? Un investissement r\u00e9duit, un encombrement r\u00e9duit pour une efficacit\u00e9 et un rendement tr\u00e8s appr\u00e9ciable.<\/p>\n

\"\"<\/p>\n

Le principe ? Des oscillateurs pi\u00e9zo\u00e9lectriques au bout desquelles on a plac\u00e9 des carr\u00e9s de mousse afin de r\u00e9cup\u00e9rer la vibration du vent.<\/p>\n

Du moins dans un premier temps, l’\u00e9quipe planche actuellement sur le remplacement des transducteurs pi\u00e9zo\u00e9lectriques par des bobines \u00e9lectromagn\u00e9tiques.<\/p>\n

On le voit on est au d\u00e9but d’une nouvelle aventure m\u00eame si paradoxalement l’int\u00e9r\u00eat pour la r\u00e9cup\u00e9ration de\u00a0 l’\u00e9nergie de vibration n’est pas nouveau (voir MicroWindBelt<\/a>) .<\/p>\n

Quel serait l’avantage de ce genre d’installation ?<\/p>\n

Pas besoin de grand volume libre ne g\u00eanant pas le mouvement du vent comme pour l’installation des \u00e9oliennes traditionnelles.<\/p>\n

Pas besoin non plus de prendre en compte les zone sensibles comme celles proches des a\u00e9roports ou sur des couloirs migratoirs.<\/p>\n

Enfin l’impact visuel sur le paysage reste marginal par rapport \u00e0 un mat de 126m de hauteur.<\/p>\n

Pour terminer ces installations pourraient \u00eatre int\u00e9gr\u00e9es dans les villes sans perte de rendement.<\/p>\n

Source: Cronell Chronicle<\/a> via Technologies Propres<\/p>\n","protected":false},"excerpt":{"rendered":"

L’\u00e9olien tout le monde connait, on peut m\u00eame dire que \u00e7a fait partie de nos cahiers d’histoire puisqu’on retrouve les premi\u00e8res traces d’exploitation de l’\u00e9nergie \u00e9olienne au VII\u00e8me si\u00e8cle en Perse.<\/p>\n

En Europe il faudra attendre un petit peu puisque ce n’est qu’au XII\u00e8me si\u00e8cle que son apparition se fait, tout d’abord timidement le long du littoral avant de s’imposer dans nos campagnes.<\/p>\n

Ceci pour dire que les machins qui tournent au gr\u00e8s du vent et qui transforme cette \u00e9nergie gratuite et […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[4],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pBGwz-no","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1450"}],"collection":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/comments?post=1450"}],"version-history":[{"count":0,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1450\/revisions"}],"wp:attachment":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/media?parent=1450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/categories?post=1450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/tags?post=1450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}