High explosives by William Russell QuinanHigh explosives by William Russell Quinan

High explosives

byWilliam Russell Quinan

Paperback | May 15, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 Excerpt: ...effect is chiefly a ballistic one. The hole through the block is a line of least resistance, which also serves to concentrate the action of the molecules. The situation is also favourable to vortex action, and to erosion of the metal. Influence of Detonator.--The influence of the detonator in giving direction to the maximum effect is well known to practical men. For instance, if we wish to break an iron rail, we set the cartridge upright upon it, and place the detonator in the top end. If we insert the detonator near the bottom, we get a much smaller effect. It is also well known that the effect of a shell charged with high explosive on an armour plate is much greater when the detonating fuse is placed in the base than when it is placed in the point of the shell. This influence o f the position of the detonator, or of the starting point of the detonating wave, is easily understood. If we suppose a column of explosive to be undergoing detonation, we note that the successive layers explode as the wave reaches them. At this moment, for a given layer, the molecules are found with an intense pressure, due to the gases of the layer already exploded on one side of them, while in the other direction they find comparative freedom to expand. In a limited sense we can say that the action in the direction of the wave is cumulative. Anomalies.--Anomalies, however, in the action of high explosives, are sometimes observed, which cannot be explained by reference to this principle. A good illustration is to fire a dynamite cartridge on the top of a wooden stake, around which are driven 8 or 12 shorter stakes, about 2 or 3ft. from the central one. The effect of the explosion will be to break down the outer stakes, or to "brush" their tops, depending upon the charge...
Title:High explosivesFormat:PaperbackDimensions:68 pages, 9.69 × 7.44 × 0.14 inPublished:May 15, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217221238

ISBN - 13:9780217221238