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弹道学报  2014 

弹头形状对高速侵彻效应的影响

Keywords: 高速侵彻,弹丸,形状函数,侵彻深度,混凝土

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Abstract:

对60mm口径的尖卵型和双弧线型弹体进行高速侵彻素混凝土靶试验,弹体撞击速度为800~1400m/s。试验结果表明,在所研究的速度范围内,弹体侵彻深度随着靶速度呈线性增加的趋势,弹体质量侵蚀小于5%,可近似认为刚性弹侵彻。在空腔膨胀理论基础上,通过建立尖卵型和双弧线型弹头部形状函数,分析了2种不同弹头形状弹体的受力情况,建立了阻力模型,数值求解了弹体的侵彻深度。理论计算结果与试验结果吻合较好,分析结果表明,弹体质量、着靶速度、靶体一致的条件下,双弧线型弹体的侵彻能力比尖卵型高约9%。

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