Abstract. During firing, a large amount of heat is transferred into
the gun bore. Many heat-induced problems, such as erosion of
the gun-bore surface and barrel overheating, significantly limit gun performance.
Barrel cooling, including passive cooling and active cooling, is an
effective approach to diminish these adverse thermal effects. Passive cooling
technologies, such as chromium plating and wear-reducing additives, are adopted
to reduce the thermal energy input by setting up a
thermal barrier between the hot propellant gas and the steel
of the barrel. Active cooling technologies, such as finned-barrel cooling
and forced liquid/air cooling, reduce the temperature increment of each
round fired by increasing the thermal dissipation rate. Finite element
analysis (FEA) results have shown that active liquid cooling is
effective in controlling the barrel temperature, thereby preventing barrel overheating
and increasing barrel life.
Related topics:
finite element model, firepower and protection
View first page of "Wu: Barrel Cooling: A Key Technology for Improving Gun Performance"
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