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二级轻气炮弹丸速度过程测量实验技术研究

DOI: 10.11858/gywlxb.2007.04.009, PP. 383-387

Keywords: 应用光学,干涉,多普勒频移,速度,内弹道

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Abstract:

针对二级轻气炮发射管的特性,设计了测量景深长达13m的光纤探头,选择条纹常数为100m/s的高灵敏度激光干涉测速仪,结合任意反射面激光干涉测速技术进行了实验,测量了发射口径Φ32mm、长度12m的二级轻气炮弹丸发射过程,测得弹丸运动距离11.3m时的速度为3960m/s,与磁测速的结果一致,通过实验测得的速度历史,进而获得弹丸在发射管内的加速度过程,为炮内弹道研究提供了更直接的实验数据。

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