Aircraft including a wing with improved acoustic treatment
AssigneeSafran Aircraft Engines
InventorsNorman Bruno Andre JODET, Jean-Michel BOITEUX, Jacky Novi MARDJONO
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Abstract
An aircraft having a wing and an aeroengine having a longitudinal main axis M and including a ducted nacelle with at least one fan, the wing including an acoustic treatment surface on a bottom portion of its outer shell on either side of the main longitudinal axis M and over a width L perpendicular to the longitudinal axis M that is not greater than three times the diameter D of the fan, the acoustic treatment surface comprising a layer of porous material for attenuating acoustic waves coming from the fan.
Claims10
An aircraft having a wing and an aeroengine with a longitudinal main axis M and including a ducted nacelle containing at least one fan, wherein the wing includes an acoustic treatment surface on a bottom portion of its outer shell on either side of said longitudinal main axis M and over a width L perpendicular to said longitudinal main axis M that is no greater than three times the diameter D of said fan, the acoustic treatment surface comprising a layer of porous material for attenuating acoustic waves coming from said fan.
Dependencies are inferred from the claim text.