Results are presented of an experimental investigation of the characteristics of NACA submerged inlets on a model of a fighter airplane for Mach numbers from 0.30 to 0.875. The effects on the ram-recovery ratio at the inlets of Mach number, angle of attack, boundary-layer thickness on the fuselage, inlet location, and boundary-layer deflectors are shown. The data indicate only a slight decrease in ram-recovery ratio for the inlets ahead of or just behind the wing leading edge as Mach number increased, but showed large decreases at high Mach numbers for the inlets aft of the point of maximum thickness of the wing.


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    Title :

    Ram-recovery Characteristics of NACA Submerged Inlets at High Subsonic Speeds


    Contributors:

    Publication date :

    1948-11-17


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English