The experimental low-speed aerodynamic characteristics of an axisymmetric mixed-compression supersonic inlet with variable cowl slot are described. The model consisted of the NASA P-inlet centerbody and redesigned cowl with variable cowl slot powered by the JT8D single-stage fan simulator and driven by an air turbine. The model was tested in the NASA Lewis Research Center 9- by 15-foot low-speed tunnel at Mach numbers of 0, 0.1, and 0.2 over a range of flows, cowl slot openings, centerbody positions, and angles of attack. The variable cowl slot was effective in minimizing lip separation at high velocity ratios, showed good steady-state and dynamic distortion characteristics, and had good angle-of-attack tolerance.


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    Titel :

    Low-speed aerodynamic test of an axisymmetric supersonic inlet with variable cowl slot


    Beteiligte:
    Powell, A. G. (Autor:in) / Welge, H. R. (Autor:in) / Trefny, C. J. (Autor:in)

    Kongress:

    Joint Propulsion Conf. ; 1985 ; Monterey, CA, United States


    Erscheinungsdatum :

    1985-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch







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