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Airports

NASA explores how to cut noise on approach

25 July 2018

US space agency NASA has tested the potential for new-generation aircraft components to reduce airframe-related noise by up to 70%.

Tests at the NASA Armstrong Flight Research Center in California focused on landing gear and wing flaps.

When wheels are lowered on approach, airflow can be pulled into the resulting cavities, creating noise. NASA installed chevrons with a sound-absorbing foam on the trailing wall, plus a net across the cavity opening.

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RELEVANT PROFILE LISTINGS

  • POITIERS BIARD

    PIS/LFBI AIRFIELD REF PT.: N46 35.15 E000 18.24 ELEVATION : 423' 129m CFR : 5 MAX RWY LENGTH : 7,710' 2,350 m General Information SURFACE : Rwy 03/21, 7,710' 2,350 m, width 148' 45 m, asphalt, PCN 44 F/C/W/T. ADDITIONAL RUNWAYS : Rwy 03R/21L, 2,297' 700 m, width 148' 60 m, grass, Rwy 03L/21R,

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