Railgun using plasma initiation separated from the projectile
Railgun using plasma initiation separated from the projectile
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使用与弹丸分离的等离子体引发的轨道炮
DOI：
10.1109/27.256796
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发表时间：
1993
影响因子：
1.5
通讯作者：
K. Sato
中科院分区：
文献类型：
--
作者：
S. Katsuki;H. Akiyama;T. Yamada;N. Eguchi;S. Maeda;K. Sato
弹丸预加速度对减少轨道炮炮膛表面的冲蚀具有重要意义。气炮、电热炮和其他轨道炮通常用于预加速弹丸。提出了等离子体起爆与弹丸分离的新方法，并通过实验验证了该方法的有效性。一根细铜丝被放置在轨道炮的边缘附近，它爆炸并形成由于洛伦兹力而具有快速流动速度的等离子体。这种快速流动的等离子体与弹丸相撞，弹丸主要通过动量传递获得初始速度。由于电流增大，只有等离子体加速，所以等离子体与弹丸碰撞后，弹丸的驱动力很大。PISP方法的工作原理是一个带有断开开关的电感储能电路。>；
Preacceleration of a projectile is important for reducing the erosion of the bore surface in a railgun. Gas guns, electrothermal guns, and other railguns are commonly used to preaccelerate the projectile. A new method, called the plasma initiation separated from the projectile (PISP) method is proposed, and its effectiveness is confirmed experimentally. A thin copper wire is placed near the edge of the railgun, and it explodes and forms a plasma that has a fast flow velocity due to the Lorentz force. This fast flowing plasma collides with the projectile, which obtains an initial velocity mainly by the momentum transfer. Since the current increases while only the plasma is accelerated, the driving force of the projectile just after the collision of the plasma with the projectile is large. The PISP method works as an inductive energy storage circuit with an opening switch. >