Mixed-compression inlet dynamic behavior in the vicinity of unstart, was simulated and analyzed to investigate time response of an inlet's normal shock to independent disturbances in ambient temperature and pressure and relative velocity (longitudinal gust), with and without inlet controls active. The results indicate that atmospheric disturbances may be more important than internal disturbances in setting inlet controls requirements because they are usually not anticipated and because normal shock response to rapid atmospheric disturbances is not attenuated by the inlet, as it is for engine induced disturbances. However, before inlet control requirements can be fully assessed, more statistics on extreme atmospheric disturbances are needed.


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    Title :

    Atmospheric Effects on Inlets for Supersonic Cruise Aircraft


    Contributors:
    G. L. Cole (author)

    Publication date :

    1977


    Size :

    14 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English







    Supersonic cruise inlets

    Bowditch, D. N. / Coltrin, R. E. / Sanders, B. W. et al. | NTRS | 1971