By Roy Laible

Ballistic fabrics and Penetration Mechanics offers with ballistically protecting fabrics and penetration mechanics. The publication discusses historic and useful concerns of ballistic safeguard, together with metal armor, in addition to ballistic checking out method, the facility of a protecting fabric to prevent or decelerate a selected projectile, and the theoretical facets of penetration mechanics. It additionally highlights the significance of tension wave research within the penetration and spalling phenomena.
Organized into 12 chapters, this quantity starts with an outline of the heritage of the armor and the trendy helmet. It proceeds with a dialogue of adaptations in ballistic attempt equipment, mistakes in try tools, and the significance of the hardness and geometry of either the objective and the projectile. the subsequent chapters specialise in the significance of fibrous armor, fabrics which are visually obvious and proof against penetration by way of high-energy projectiles and fragments, and obvious armor and ceramic composite armor. The reader can be brought to fabrics utilized in the layout of steel armor, the function of rigidity waves within the penetration challenge, and using laptop simulation to investigate ballistic effect experiments. The ebook seems to be at numerical recommendations for modeling hypervelocity influence and concludes with a bankruptcy at the penetration mechanics of cloth constructions.

This e-book is a useful source for scientists operating at govt, business, and college laboratories, in addition to legislation enforcement officials and others who wish details on fabrics that offer the easiest safety opposed to harm from affects, explosions, and bullets.

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As fragment sizes become progressively larger or chunkier, a greater number of plies are involved in the penetration mechanism. However, penetration equations generalized for differ­ ent projectiles employ some form of shape factor. The shape factor is also involved in the drag coefficient used in calculating fragment velocity at various distances from the point of burst. Fragment mass also has a pronounced effect on air drag. Very small fragments lose appreciable velocity within short ranges. M.

The cube broke out of the carrier upon emerging from the muzzle of the gun and traveled downrange to the target. The cube may impact the target on its edge, corner, or side. These variations increase the scatter in the ballistic evaluation, because the mechanism of penetration of the cube changes from impact to impact depending upon how the cube strikes the target. The scatter is much more noticeable on soft, nonmetallic targets. 53nw) Cube lliii;;;-fIII!. 22 PLASTIC CARRIER NAVY PARALLELEPIPEDS 27 GRAINS 220 GRAINS ■mi as...

The 1966 survey of 6000 men in the United States Army furnished considerable anthropometric data on the length, width, height, and circumference of heads. The United States Army Ballistic Research Laboratories utilized these data to produce a mathematical model of the head with capabilities of providing up to a nine-size system [54,55]. Scientists at the United States Army Natick Research and Devel­ opment Command (NARADCOM) developed a new technique for defining and measuring head forms. Essentially it involved the design of a clear polycarbonate hemisphere on which were mounted twenty-seven movable mechanical probes.

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