Dropped and rocket propelled models are tested. American tests give a variation in form drag with thickness at the speed of sound in accordance with the two thirds power law. British tests indicate a constant dray coefficient on frontal area. There is a tendency to reduce drag by introducing taper or reducing aspect ratio on rectangular wings. Results on swept wings are inconsistent but the reduction in drag with sweepback is very pronounced. Tunnel bulge tests indicate that the drag due to lift becomes very large at Mach numbers just below 1.


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    Title :

    A Summary of Experimental Data on Wing Characteristics at Transonic Speeds


    Contributors:

    Publication date :

    1948


    Size :

    42 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






    AERODYNAMIC WING AIRFOIL FOR TRANSONIC SPEEDS

    BRUTYAN MURAD ABRAMOVICH / VOLKOV ANDREJ VIKTOROVICH / GRACHEVA TATYANA NIKOLAEVNA et al. | European Patent Office | 2021

    Free access