A parametric numerical procedure permitting the rapid determination of the performance of a class of scramjet nozzle configurations is presented. The geometric complexity of these configurations ruled out attempts to employ conventional nozzle design procedures. The numerical program developed permitted the parametric variation of cowl length, turning angles on the cowl and vehicle undersurface and lateral expansion, and was subject to fixed constraints such as the vehicle length and nozzle exit height. The program required uniform initial conditions at the burner exit station and yielded the location of all predominant wave zones, accounting for lateral expansion effects. In addition, the program yielded the detailed pressure distribution on the cowl, vehicle undersurface and fences, if any, and calculated the nozzle thrust, lift and pitching moments. (Author)


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    Titel :

    An Improved Numerical Procedure for the Parametric Optimization of Three Dimensional Scramjet Nozzles


    Beteiligte:
    S. Dash (Autor:in) / P. D. Delguidice (Autor:in)

    Erscheinungsdatum :

    1975


    Format / Umfang :

    87 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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