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首页> 外文期刊>IEEE Transactions on Magnetics >The projectile-wall interface in rail launchers
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The projectile-wall interface in rail launchers

机译:轨道发射器中的弹丸-墙界面

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At sufficiently high velocity, an energetic gaseous interface is formed between the projectile and the gun wall. The authors analyze the flow in this interface in the regime of moderately high velocity. The effect of this gaseous interface is to push the gun wall radially outward and shrink the projectile radially inward. It is shown that significant plasma blow-by can be expected in most experimental railguns in which organic polymers are used as insulators. Since plasma leakage may result in the reduction of propulsion pressure and possibly induce the separation of the primary, the results point to the importance of having sufficiently stiff barrels and structurally stiff but ballistically compliant projectile designs.
机译:以足够高的速度,在射弹和枪壁之间形成高能的气态界面。作者分析了中等高速状态下该界面中的流动。这种气态界面的作用是将枪壁径向向外推,并使弹丸径向向内收缩。结果表明,在大多数使用有机聚合物作为绝缘体的实验轨道炮中,可以预期会有明显的等离子体漏气。由于等离子体泄漏可能会导致推进压力的降低,并可能导致主管道的分离,因此,结果表明具有足够坚硬的枪管和结构刚性但在弹道​​上顺应的射弹设计十分重要。

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