Abstract.
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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Received 4 January 2002 / Accepted 7 June 2002 Published online 12 August 2002
Correspondence to: B. Veyssiere (e-mail: veyssiere@lcd.ensma.fr)
An abridged version of this paper was presented at the 18th Int. Colloquium on the Dynamics of Explosions and Reactive Systems at Seattle, USA, from July 29 to August 3, 2001.
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Veyssiere, B., Bozier, O. & Khasainov, B. Effect of a suspension of magnesium particles on the detonation characteristics of methane-oxygen-nitrogen mixtures at elevated initial pressures. Shock Waves 12, 227–233 (2002). https://doi.org/10.1007/s00193-002-0158-x
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DOI: https://doi.org/10.1007/s00193-002-0158-x