弯曲的激波与壁面进一步作用后发生反射，由于波前气流速度不同，这种反射存在规则反射和马赫反射两种类型；
The bent shock wave is reflected at the wall. As the flow speed changes, two kinds of shock reflection have been observed.
另外，鉴于弯曲管道与直管道内激波串长度之间的明显差异，已有的基于直管道的激波串长度经验公式不能很好地适用于弯曲管道。
The existing empirical correlation based on straight duct can not predict well the length of shock train in bend duct due to their distinct difference in shock train length.
本文结果表明：在激波后方存在着一个弯曲的薄层区域，其中的粒子密度可以比其波前原始值增加许多倍。
It is shown that behind the shock wave, there exists a curved thin layer where the density of particles is many times higher than the original one.
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