{"id":128,"date":"2011-06-25T17:05:22","date_gmt":"2011-06-25T17:05:22","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2011\/06\/25\/charmes-et-possibles-limites-dun-avion-a-motorisation-hybride\/"},"modified":"2012-07-12T12:33:44","modified_gmt":"2012-07-12T12:33:44","slug":"charmes-et-possibles-limites-dun-avion-a-motorisation-hybride","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2011\/06\/25\/charmes-et-possibles-limites-dun-avion-a-motorisation-hybride\/","title":{"rendered":"Charmes et possibles limites d&rsquo;un avion \u00e0 motorisation hybride"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e201543340ec3e970c-pi.jpg\"><img decoding=\"async\" alt=\"Avion hybride\" class=\"asset  asset-image at-xid-6a00d83451b18369e201543340ec3e970c\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e201543340ec3e970c-250wi.jpg\" style=\"width: 230px;margin: 0px 5px 5px 0px\" \/><\/a>&#160; Un a\u00e9roplane \u00e9quip\u00e9 d&#039;un moteur \u00e0 essence de type Wankel de chez Austro Engine qui active un g\u00e9n\u00e9rateur de courant \u00e0 vitesse et puissance constante (30 kW), un syst\u00e8me batterie en tampon de chez EADS qui est en charge de fournir les appels de puissance \u00e9lectrique au d\u00e9collage et \u00e0 l\u2019atterrissage, un moteur \u00e9lectrique principal de 70 kW de Siemens actionnant l&#039;h\u00e9lice tel est en grandes lignes le petit avion biplace de chez Diamond Aircraft pr\u00e9sent\u00e9 au Bourget. C&#039;est une version a\u00e9ro-\u00e9colo avec une r\u00e9duction annonc\u00e9e des consommations de carburants de 25% environ, un peu plus r\u00e9aliste que la libellule suisse \u00e9lectrique recouverte de modules photovolta\u00efques et remplie de batteries dont on peut tout au plus imaginer un d\u00e9riv\u00e9 commercial assurant la publicit\u00e9 estivale locale le long des plages atlantiques.<\/p>\n<p>&#160;Peut-on imaginer une version commerciale plus puissante de cet hybride plus cr\u00e9dible? \u00c9quipement ou les batteries jouent un r\u00f4le majeur dans les phases les plus critiques de d\u00e9collage et d&#039;atterrissage. C&#039;est l&#039;ensemble batterie, par sa masse et son co\u00fbt, qui d\u00e9terminera la faisabilit\u00e9 technique et \u00e9conomique d&#039;un tel concept. Une version bimoteur dans laquelle deux fois 100 kW au moins devraient \u00eatre fournis pendant une demi-heure, sans alimentation principale, conduit \u00e0 une grosse batterie de 100 kWh embarqu\u00e9e qui sur la base d&#039;une \u00e9nergie sp\u00e9cifique de 140 Wh\/kg, conduirait \u00e0 un ensemble batterie de 700 kg. C&#039;est peut-\u00eatre encore un peu trop lourd et un peu trop cher en comparaison au prix actuel du k\u00e9ros\u00e8ne&#8230;mais les progr\u00e8s dans le domaine des batteries et dans les prix des carburants pourront-ils peut-\u00eatre un jour conduire au break-even?<\/p>\n<p>&#160;Pour les lecteurs angoiss\u00e9s qui pr\u00e9disent la fin du k\u00e9ros\u00e8ne et des haricots d&#039;ici \u00e0 deux ou trois d\u00e9cennies, je voudrais leur rappeler qu&#039;on fera, si n\u00e9cessaire, du k\u00e9ros\u00e8ne avec du gaz, du charbon, du bois, du sucre, de l&#039;huile et m\u00eame avec du p\u00e9trole conventionnel ou associ\u00e9 aux gaz de schistes diaboliques durant encore plusieurs si\u00e8cles.<\/p>\n<p>LIRE le <a href=\"http:\/\/www.siemens.com\/press\/en\/pressrelease\/?press=\/en\/pressrelease\/2011\/corporate_communication\/axx20110666.htm\" target=\"_blank\">communiqu\u00e9 conjoint des trois partenaires<\/a> qui ont travaill\u00e9 sur ce projet.<\/p>\n<p>Le 25 Juin 2011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160; Un a\u00e9roplane \u00e9quip\u00e9 d&#039;un moteur \u00e0 essence de type Wankel de chez Austro Engine qui active un g\u00e9n\u00e9rateur de courant \u00e0 vitesse et puissance constante (30 kW), un syst\u00e8me batterie en tampon de chez EADS qui est en charge de fournir les appels de puissance \u00e9lectrique au d\u00e9collage et \u00e0 l\u2019atterrissage, un moteur \u00e9lectrique [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":22877,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-128","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vehicules-ecologiques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - 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