explosive charge
Noun
Meaning
a quantity of explosive to be set off at one time
Source: WordNetSynonyms
Hypernyms
Hyponyms
Examples
this cartridge has a powder charge of 50 grains
After the munition is dropped or fired, the first explosive charge bursts open the container at a predetermined height and disperses the fuel in a cloud that mixes with atmospheric oxygen (the size of the cloud varies with the size of the munition).
Although attempts at breech-loading mechanisms had been made since medieval times, the essential engineering problem was that the mechanism couldn't withstand the explosive charge.
Another useful design feature is sub-calibration, the use of a liner having a smaller diameter (caliber) than the explosive charge.
As any explosive charge will dissipate in all directions equally, the thickest portion of the cannon is useful for containing and directing this force.
A shaped charge is an explosive charge shaped to focus the effect of the explosive's energy.