Published aircraft surface waviness and boundary layer transition measurements imply that currently achievable low levels of surface waviness are compatible with the natural laminar flow (NLF) requirements of business and commuter aircraft, in the cases of both metallic and composite material airframes. The primary challenge to the manufacture of NLF-compatible surfaces is two-dimensional roughness in the form of steps and gaps at structural joints. Attention is presently given to recent NASA investigations of manufacturing tolerance requirements for NLF surfaces, including flight experiment results.


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    Title :

    Manufacturing tolerances for natural laminar flow airframe surfaces


    Contributors:

    Publication date :

    1985-04-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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