{"id":439073,"date":"2023-12-11T19:24:48","date_gmt":"2023-12-11T18:24:48","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=439073"},"modified":"2023-12-11T19:24:48","modified_gmt":"2023-12-11T18:24:48","slug":"la-tour-solaire-alternative-au-solaire-photovoltaique","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/la-tour-solaire-alternative-au-solaire-photovoltaique\/","title":{"rendered":"La tour solaire, alternative au solaire photovolta\u00efque ?"},"content":{"rendered":"

la Cop 26 se termine, et le tournant vers les ressources alternatives aux \u00e9nergies fossiles doit consid\u00e9rer toutes les opportunit\u00e9s.<\/span><\/h3>\n

Afin de r\u00e9duire les \u00e9missions de gaz \u00e0 effet de serre et d’att\u00e9nuer l’impact du changement climatique, le monde s’oriente vers des ressources alternatives durable, renouvelable et propre. Bon nombre de ces ressources \u00e9nerg\u00e9tiques propres telle que l’hydraulique n\u00e9cessitent des quantit\u00e9s consid\u00e9rables d’eau. Or, les ressources possibles en eau sont limit\u00e9es. En raison du prix de plus en plus comp\u00e9titif de l’\u00e9nergie solaire (PV), celle-ci est de plus en plus d\u00e9ploy\u00e9e et mise en \u0153uvre.<\/p>\n

Une alternative au solaire photovolta\u00efque<\/strong><\/p>\n

Mais il existe d’autres syst\u00e8mes solaires que le photovolta\u00efque. Au cours des derni\u00e8res ann\u00e9es, la centrale \u00e0 tour solaire (STPP) a suscit\u00e9 un int\u00e9r\u00eat croissant en raison de ses co\u00fbts de production \u00e9conomiques et de sa conception simple, comme l’ont sugg\u00e9r\u00e9 Zhou et al. et Dhahri et Omri lors de l’examen de ce concept. Les r\u00e9sultats pr\u00e9liminaires rapport\u00e9s sur la productivit\u00e9 de la STPP \u00e9taient dans la plupart des cas bas\u00e9s sur la mod\u00e9lisation math\u00e9matique.<\/p>\n

Le premier prototype de STPP a \u00e9t\u00e9 construit avec succ\u00e8s en 1982, en Espagne. Le prototype se compose d’un collecteur de base, d’une tour et d’une turbine m\u00e9canique situ\u00e9e \u00e0 la base de la tour. La base et le collecteur r\u00e9chauffent l’air int\u00e9rieur en absorbant et en transmettant le rayonnement solaire. Finalement, l’air chauff\u00e9 atteindra et s’accumulera \u00e0 l’entr\u00e9e de la tour. Par cons\u00e9quent, les diff\u00e9rences de densit\u00e9 cr\u00e9ent une diff\u00e9rence de pression dans la tour. L’air chaud s’\u00e9coule donc vers le haut de la tour, faisant tourner les pales de la turbine et produisant de l’\u00e9nergie m\u00e9canique.<\/p>\n

La technologie n\u00e9cessite des d\u00e9veloppements<\/strong><\/p>\n

Les mod\u00e8les STPP sont \u00e9tudi\u00e9s et cherchent \u00e0 \u00eatre d\u00e9velopp\u00e9s et am\u00e9lior\u00e9s, et il y a eu de nombreuses propositions depuis le premier mod\u00e8le espagnol. Cependant, la mise en \u0153uvre pratique de la STPP se heurte \u00e0 de nombreux obstacles : son rendement thermique est faible, elle n\u00e9cessite un vaste terrain et son co\u00fbt peut \u00eatre \u00e9lev\u00e9. Un bassin d’eau distill\u00e9e peut \u00eatre ajout\u00e9 \u00e0 la base pour produire de l’\u00e9lectricit\u00e9 et de l’eau. Le syst\u00e8me a n\u00e9cessit\u00e9 une analyse compl\u00e8te du transfert de chaleur et de la mod\u00e9lisation du flux d’air afin d’am\u00e9liorer la puissance de sortie et l’efficacit\u00e9 ; les r\u00e9sultats publi\u00e9s ont montr\u00e9 que la chemin\u00e9e cylindrique et l’analyse optimis\u00e9e du transfert de chaleur et de la mod\u00e9lisation du flux d’air sont les meilleurs moyens d’am\u00e9liorer la productivit\u00e9 et l’efficacit\u00e9.<\/p>\n

Pour en savoir plus lien vers ScienceDirect (en anglais)<\/a><\/p>\n

Suivre ECInews sur Google news<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

la Cop 26 se termine, et le tournant vers les ressources alternatives aux \u00e9nergies fossiles doit consid\u00e9rer toutes les opportunit\u00e9s. Afin de r\u00e9duire les \u00e9missions de gaz \u00e0 effet de serre et d’att\u00e9nuer l’impact du changement climatique, le monde s’oriente vers des ressources alternatives durable, renouvelable et propre. Bon nombre de ces ressources \u00e9nerg\u00e9tiques propres […]<\/p>\n","protected":false},"author":7,"featured_media":439050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[5353,5355,1700,5354],"domains":[47],"ppma_author":[1143,1139],"class_list":["post-439073","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-energie-propre","tag-energie-verte","tag-solaire","tag-transition-energetique","domains-electronique-eci"],"acf":[],"yoast_head":"La centrale \u00e0 tour solaire attire l'attention ...<\/title>\n<meta name=\"description\" content=\"la centrale \u00e0 tour solaire (STPP) a suscit\u00e9 un int\u00e9r\u00eat croissant en raison de ses co\u00fbts de production \u00e9conomiques et de sa conception simple\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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