Abstract
LONDON. Royal Society, June 28.—E. Jones: Photographic study of detonation in solid explosives. Direct photography of a detonating cartridge possesses advantages over other methods for determining rates of detonation in that it is absolute and enables a continuous and permanent record of the progress of detonation to be obtained. Results are given to illustrate the two stable velocities of detonation peculiar to gelatinous explosives, and the effect of nitroglycerine content of a powder explosive on its velocity of detonation. Photographic records obtained with opaque explosives give the rate of propagation of detonation along the surface of the cartridge. The detonation front inside the cartridge is convex towards the undetonated portion, so that detonation is further advanced on the axis of the cartridge than on the surface. For one explosive, the stable form assumed by the detonation front inside the cartridge, and its effect on duration of detonation phenomenon over a plane transverse section of the cartridge, have been determined.
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Societies and Academies. Nature 122, 79–82 (1928). https://doi.org/10.1038/122079a0
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DOI: https://doi.org/10.1038/122079a0