A natural-laminar-flow airfoil for general aviation applications, the NLF(1)-0416, was designed and analyzed theoretically and verified experimentally in the Langley Low-Turbulence Pressure Tunnel. The basic objective of combining the high maximum lift of the NASA low-speed airfoils with the low cruise drag of the NACA 6-series airfoils was achieved. The safety requirement that the maximum lift coefficient not be significantly affected with transition fixed near the leading edge was also met. Comparisons of the theoretical and experimental results show excellent agreement. Comparisons with other airfoils, both laminar flow and turbulent flow, confirm the achievement of the basic objective.


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    Title :

    Design and Experimental Results for a Natural-Laminar-Flow Airfoil for General Aviation Applications


    Contributors:

    Publication date :

    1981


    Size :

    102 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English