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Comportement de l'écoulement du rotor d'un hélicoptère sans pilote

Comportement de l'écoulement du rotor d'un hélicoptère sans pilote


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About the Book

L'aérodynamique du rotor d'hélicoptère est l'une des questions les plus compliquées et les plus déroutantes auxquelles sont confrontés les aérodynamiciens et les ingénieurs de conception depuis le début. L'écoulement de l'air à travers le système de pales du rotor n'est pas encore très bien compris en raison de la complexité de l'aérodynamique. Dans le domaine de la technologie de l'imagerie, les progrès récents ont permis aux chercheurs de faciliter et de réaliser une visualisation de l'écoulement qui était auparavant considérée comme irréalisable. Les méthodes de supercalcul, principalement les méthodes numériques, se développent à toute vitesse; cependant, le décret exact n'a pas encore été pris. Les tourbillons de sillage sont le corollaire de la production de la portance. On prévoit que les sillages des hélicoptères peuvent être nettement plus importants que ceux formés par un aéronef à voilure fixe de même poids. Les nuisances telles que les baisses de tension et les bruits sont la conséquence du sillage du rotor. L'investigation par la visualisation de l'écoulement joue un rôle clé dans la compréhension des caractéristiques de l'écoulement de l'air et de l'interaction tourbillonnaire des pales de rotor d'hélicoptère. L'inspection et l'examen minutieux des effets des tourbillons de sillage pendant le fonctionnement est un grand défi et un impératif pour concevoir un système de rotor efficace.


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Product Details
  • ISBN-13: 9786204552002
  • Publisher: KS Omniscriptum Publishing
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 254 gr
  • ISBN-10: 6204552007
  • Publisher Date: 21 Mar 2022
  • Height: 229 mm
  • No of Pages: 132
  • Spine Width: 8 mm
  • Width: 152 mm


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Comportement de l'écoulement du rotor d'un hélicoptère sans pilote
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