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利用连续三幅脉冲Ｘ光摄影技术，获得了３０ｍｍ玻璃钢火炮膛内早期点火阶段药床运动状况的阴影照片和示踪药粒沿药室轴向的运动速度。结果表明，火药床的运动规律与点火结构密切相关，均匀的中心传火管点火形式可以明显减弱火药床在弹底的堆积，对压力波起了抑制作用。
Using continuous three pulse X-ray photography technology, the shadows of the motion of the 30mm FRP artillery gun in the early stage of ignition and the velocity of the tracer particles in the axial direction of the chamber were obtained. The results show that the motion law of the gunpowder bed is closely related to the ignition structure. The uniform central fire tube ignition mode can significantly reduce the accumulation of the gunpowder bed at the bottom of the bomb, which can restrain the pressure wave.