24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-6.10.5

THE ZERO SPLICE ENGINE INTAKE LINER: AN EFFICIENT WAY OF REDUCING AIRCRAFT NOISE WITHOUT ANY WEIGHT OR AERODYNAMIC PENALTY

H. Batard
Airbus France, France

Keywords: aero engines, nacelles, acoustic liners

The paper presents the benefit on aircraft noise of improving the engine intake liners homogeneity by removing the joints between acoustic panels. A special care is paid to the description of acoustic distortion phenomena and their impact on forward fan noise. An application to aircraft in-flight noise is presented.

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