Abstract
The effect of rifling height on erosion for cannon barrel was studied in this paper. An erosion velocity kernel function which is an Arrhenius type function revealing thermal and chemical effects is proposed. The erosion function is employed in numerical simulations to obtain the erosion depth after several rounds for two kinds of gun barrels at commencement of full rifling. By comparing final erosion depths obtained by numerical simulations and firing tests, it can be concluded that heat transfer flux between propellant gas and barrel with different rifles are absolutely different. Then the effect of rifle height on convective heat transfer flux is discussed in this paper.
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