Tests conducted in variable-density wind tunnel on several airfoils of different sizes and sections to determine effect of tunnel-wall interference and to determine correction which can be applied to reduce error caused thereby; use of several empirical corrections was attempted with little success; Prandtl theoretical correction gives best results and its use is recommended for correcting closed-wind-tunnel results to conditions of free air.


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    Title :

    Wall interference in closed type wind tunnels


    Additional title:

    Nat. Advisory Committee Aeronautics -- Tech. Notes


    Contributors:


    Publication date :

    1927


    Size :

    6 pages


    Remarks:

    10 Figs.


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English


    Keywords :


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