The overall efficiency of a reaction engine, having primary and secondary combustion chambers, is greatly improved by reducing the primary exhaust velocity to subsonic speed. This is accomplished in a preferred embodiment by using an exhaust tube downstream of the primary nozzle. A tube diameter of about six times that of the primary throat diameter and a tube length of above five to ten times that of the tube diameter is considered optimum. (Author)


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    Titel :

    Ducted Rockets


    Beteiligte:
    K. C. Schadow (Autor:in)

    Erscheinungsdatum :

    1977


    Format / Umfang :

    5 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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