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Boeing et la NASA conçoivent une aile révolutionnaire

Lundi, 20/02/2023 - 20:09 3 commentaires
Boeing et la NASA conçoivent une aile révolutionnaire zoom

La NASA a annoncé un partenariat majeur avec Boeing pour concevoir l'avion monocouloir du futur, un projet nommé Sustainable Flight Demonstrator (SFD). Les promesses sont grandes et le timing serré : les deux firmes jurent que le concept qu'ils ont imaginé pourrait à lui seul permettre de réduire la consommation de kérosène et les émissions de gaz à effet de serre des aéronefs de 30 %. Un premier prototype pourrait s'envoler avant la fin de la décennie, pour être mis sur le marché dans la décennie suivante –pour mémoire, le secteur aéronautique a promis la neutralité carbone pour 2050.

Le Sustainable Flight Demonstrator base sa petite révolution, qui nécessitera néanmoins d'être confirmée dans les faits et en conditions réelles, sur un concept d'aile nommé "Transonic Truss-Braced Wing". Celle-ci est un appendice plus long et fin que ceux des appareils actuels, mais il est stabilisé par des toises rattachées, en biais, au fuselage. L'agence américaine et le constructeur visent spécifiquement le segment des avions monocouloirs, car il est celui qui contribue le plus aux émissions globales de l'aviation. La demande pour ces appareils devrait, selon Boeing, augmenter de 40.000 exemplaires entre 2035 et 2040.

Article rédigé par Georges Simmonds pour RT Flash

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