{"id":817,"date":"2004-12-03T09:49:00","date_gmt":"2004-12-03T08:49:00","guid":{"rendered":"https:\/\/kids.esa.int\/the_solar_car\/"},"modified":"2026-10-08T00:32:37","modified_gmt":"2026-10-07T22:32:37","slug":"the_solar_car","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/the_solar_car\/","title":{"rendered":"Le v\u00e9hicule solaire"},"content":{"rendered":"<div class=\"lede\">\n<p>L'automobile a pris une toute nouvelle dimension lorsque des \u00e9tudiants n\u00e9erlandais ont utilis\u00e9 la technologie spatiale pour construire Nuna, la voiture par excellence du XXIe si\u00e8cle<sup>st<\/sup> si\u00e8cle.<\/p>\n<\/div>\n<p>Nuna a remport\u00e9 le World Solar Challenge 2001 (D\u00e9fi solaire mondial), une course de 3 010 km \u00e0 travers l\u2019Australie r\u00e9serv\u00e9e aux voitures aliment\u00e9es par l\u2019\u00e9nergie solaire. Elle a battu quatre records du monde, en terminant la course en 32 heures 39 minutes \u00e0 une vitesse moyenne de 91 km\/h. Elle est ensuite revenue pour gagner \u00e0 nouveau la course en 2003 \u2013 battant \u00e0 nouveau tous les records.<\/p>\n<p>L\u2019engin a\u00e9rodynamique comportait de nombreux avantages. Profil\u00e9e de mani\u00e8re \u00e0 r\u00e9duire la r\u00e9sistance atmosph\u00e9rique, la coque externe reprenait le plastique utilis\u00e9 dans l\u2019industrie spatiale pour que la voiture reste l\u00e9g\u00e8re, mais robuste. La carrosserie \u00e9tait en fibre de carbone renforc\u00e9e au Kevlar, un mat\u00e9riau utilis\u00e9 pour les satellites.<\/p>\n<p>La surface de la voiture \u00e9tait recouverte de cellules solaires \u00e0 l\u2019ars\u00e9niure de gallium tr\u00e8s performantes, initialement mises au point pour des satellites tels que la sonde lunaire SMART-1 de l\u2019ESA. Nuna \u00e9tait \u00e9galement \u00e9quip\u00e9e de petits dispositifs garantissant un rendement maximal de sa batterie et de ses cellules solaires, m\u00eame lorsque la voiture se trouvait \u00e0 l'ombre ou par temps nuageux. Ces dispositifs sont utilis\u00e9s sur de nombreux satellites, comme la sonde Rosetta de l'ESA, charg\u00e9e d'\u00e9tudier les com\u00e8tes.<\/p>","protected":false},"excerpt":{"rendered":"<p>Motoring took on a whole new look when Dutch students used space technology to build Nuna, the ultimate car for the 21st century. Nuna finished first in the 2001 World [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2003\/10\/nuna-ii_in_the_7th_world_solar_challenge4\/17897606-2-eng-GB\/Nuna-II_in_the_7th_World_Solar_Challenge.jpg","esa_banner_description":"","esa_banner_credit":"David Hancock","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/10\/Nuna-II_in_the_7th_World_Solar_Challenge4","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,54,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-817","post","type-post","status-publish","format-standard","hentry","category-learn","category-space-technologies-on-earth","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/comments?post=817"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/817\/revisions"}],"predecessor-version":[{"id":1960,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/817\/revisions\/1960"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/media?parent=817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/categories?post=817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/tags?post=817"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/panel?post=817"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/language?post=817"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/age?post=817"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/duration?post=817"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/resource_type?post=817"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/audience?post=817"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/wf_post_folders?post=817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}