Detonation Velocity of Emulsion Explosives Containing Cenospheres |
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| Authors: | A G Anshits N N Anshits A A Deribas S M Karakhanov N S Kasatkina A V Plastinin A Yu Reshetnyak V V Sil'vestrov |
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| Affiliation: | (1) Institute of Chemistry and Chemical Engineering, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660049, Russia;(2) Lavrent'ev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia;(3) Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia;(4) Institute of Theoretical and Applied Mechanics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia |
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| Abstract: | The detonation velocity of an emulsion explosive containing hollow alumosilicate microspheres (cenospheres) as the sensitizer
is measured. The size of the microspheres is 50–250 μm. The relations between the detonation velocity and the charge density
and diameter are compared for emulsion explosives containing cenospheres or glass microballoons as the sensitizer. It is shown
that for a 55 mm diameter charge, the maximum detonation velocity of the composition with cenospheres of size 70–100 μm is
5.5–5.6 km/sec, as well as for 3M glass microballoons. The critical diameter for the emulsion explosive with cenosphere is
1.5–2 times larger than that for the emulsion explosive with glass microballoons and is 35–40 mm.
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Translated from Fizika Goreniya i Vzryva, Vol. 41, No. 5, pp. 119–127, September–October, 2005. |
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| Keywords: | emulsion explosives cenospheres detonation velocity critical diameter |
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