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"""
"""
From a thermodynamic point of view, a firearm is a special type of piston engine, or in general heat engine where the bullet has a function of a piston. The energy conversion efficiency of a firearm strongly depends on its construction, especially on its caliber and barrel length. However, for illustration, here is the energy balance of a typical small firearm for .300 Hawk ammunition:
Barrel friction 2%
Projectile motion 32%
Hot gases 34%
Barrel heat 30%
Unburned propellant 1%.
which is comparable with a typical piston engine.
"""
https://en.wikipedia.org/wiki/Physics_of_firearms#Firearm_energy_efficiency
https://en.wikipedia.org/wiki/Physics_of_firearms#Firearm_energy_efficiency
Labels: Oleg Zabluda
- posted by Oleg Zabluda @ 6:10 PM | permalink | | | technorati | bloglines | feedster
