The investigation of the in-ground-effect, longitudinal aerodynamic characteristics of a large scale swept augmentor wing model is presented, using 40 x 80 ft wind tunnel. The investigation was conducted at three ground heights; h/c equals 2.01, 1.61, and 1.34. The induced effect of underwing nacelles, was studied with two powered nacelle configurations. One configuration used four JT-15D turbofans while the other used two J-85 turbojet engines. Two conical nozzles on each J-85 were used to deflect the thrust at angles from 0 to 120 deg. Tests were also performed without nacelles to allow comparison with previous data from ground effect. (Author)


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    Title :

    Longitudinal Aerodynamic Characteristics of a Large Scale Model with a Swept Wing and Augmented Jet Flap in Ground Effect


    Contributors:

    Publication date :

    1972


    Size :

    146 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English