In the Mach number range between 2 and 4, a transition to another propulsion system is expected for long range airplanes. Limited to the cruise range, the turbojet, the turborocket and the ramjet are investigated. Considering also the additional drag, engines are compared, whose air flow rates have the same cross section area for the undisturbed flow in front of the engine. It is shown that even with modern component technology, the turbojet is the optimum propulsion system only up to the Mach number 3.5. Above this Mach number, the ramjet becomes more effective. The turborocket is interesting at high Mach numbers because of its high thrust density, although its specific impulse is somewhat less.


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    Titel :

    Comparison of Turbojet, Turborocket and Ramjet as a Propulsion System for Long Range Airplanes at Mach Numbers Between 2 and 4


    Beteiligte:
    E. Riester (Autor:in)

    Erscheinungsdatum :

    1975


    Format / Umfang :

    38 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch