Effect of addition of magnesium particles on the detonation characteristics of methane-oxygen-nitrogen mixtures at elevated initial pressures is predicted by numerical calculations. Two rich (r=3, ZN2/ZO2=5 and r=2.8, ZN2/ZO2=2.9) mixtures under 40 bar initial pressure are considered. It is shown that an increase of the detonation velocity of the reactive mixture may be achieved with a proper choice of size and mass concentration of particles. For particle diameters larger than a critical value, magnesium addition is not able to provide an augmentation of the detonation velocity of the reactive mixture. Results are discussed in relation with performance enhancement of Ram accelerators.


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    Title :

    Effect of a suspension of magnesium particles on the detonation characteristics of methane-oxygen-nitrogen mixtures at elevated initial pressures


    Additional title:

    Einfluß von Magnesiumpartikeln auf die Detonation eines komprimierten Methan-Sauerstoff-Stickstoff-Gemischs


    Contributors:

    Published in:

    Shock Waves ; 12 , 3 ; 227-233


    Publication date :

    2002


    Size :

    7 Seiten




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English