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In warfare, high-explosive incendiary (HEI) is a type of ammunition specially designed to impart energy and therefore damage to its target in one or both of two ways: via a high-explosive charge and/or via its incendiary (fire-causing) effects. Each round has both capabilities.
The Raufoss Mk 211 is a .50 BMG (12.7×99mm NATO) multi-purpose anti-material high-explosive incendiary/armor-piercing ammunition projectile produced by Nammo under the model name NM140 MP. [1] It is commonly referred to as multipurpose or Raufoss, meaning red waterfall in Norwegian.
The triggering of the explosive charge is dependent upon the resistance of the target. If the target offers little resistance then the lack of frictional heating will prevent the incendiary from igniting and the high explosive from detonating. Exploding ammunition was used by both Allied and German forces during World War II.
A shaped charge is an explosive charge shaped to focus the effect of the explosive's energy. Different types of shaped charges are used for various purposes such as cutting and forming metal, initiating nuclear weapons , penetrating armor , or perforating wells in the oil and gas industry .
High-explosive anti-tank (HEAT) is the effect of a shaped charge explosive that uses the Munroe effect to penetrate heavy armor. The warhead functions by having an explosive charge collapse a metal liner inside the warhead into a high-velocity shaped charge jet; this is capable of penetrating armor steel to a depth of seven or more times the ...
FZAB - high-explosive incendiary bomb. They are a combination of FAB and ZAB in one body. When a bomb is detonated, the incendiary part detonates first, and then the high-explosive part. ZB - incendiary tank. They are ZAB in a thin-walled casing without a stabilizer and without an explosive charge.
Some explosive projectiles, such as high-explosive incendiary bullets, contain an incendiary charge intended to ignite explosives within the shell. [9] Although not intended to start fires, tracer bullets can have a mild incendiary effect. This is particularly dangerous when they strike flammable substances or dry brush.
Effective charge mass for thin charges - a 60° cone. The basic Gurney equations for flat sheets assume that the sheet of material is a large diameter. Small explosive charges, where the explosive's diameter is not significantly larger than its thickness, have reduced effectiveness as gas and energy are lost to the sides. [1]