A preliminary wind tunnel investigation was undertaken to determine the flow correction for a vane angle of attack sensor over an angle of attack range from -10 deg to 110 deg. The sensor was mounted ahead of the wing on a 1/5 scale model of a general aviation airplane. It was shown that the flow correction was substantial, reaching about 15 deg at an angle of attack of 90 deg. The flow correction was found to increase as the sensor was moved closer to the wing or closer to the fuselage. The experimentally determined slope of the flow correction versus the measured angle of attack below the stall angle of attack agreed closely with the slope of flight data from a similar full scale airplane.


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    Title :

    Wind-Tunnel Investigation of the Flow Correction for a Model-Mounted Angle of Attack Sensor at Angles of Attack from -10 Deg to 110 Deg


    Contributors:
    T. M. Moul (author)

    Publication date :

    1979


    Size :

    20 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English