...过程并不是简单地出现一道正 激波,而是出现由一系列斜激波组成的复杂波系,即文献[ 829]等资料中提到的所谓“激波串( shock train) ”和 “伪激波(pseudo2shock) ”结构,并且计算发现气流通过波系(激波串) 的压力损失与通过具有相同波前马赫数 的正激波的压力损...
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The flow vibration in separated region induced by the first shock in shock train may be the reason of the shock train oscillation.
分析认为激波串的低频振荡是由激波串初始激波与附面层相互作用产生的分离区的内部气流振荡引起的。
参考来源 - 非均匀来流条件下超燃冲压发动机隔离段实验研究For supersonic diffuser,the flow field structure,especially the reason for the appearance of shock train structure is analyzed and studied in mechanism.
对于超声速扩压器,本文从机理上分析研究了扩压器的流场结构,尤其是激波串结构产生的原理。
参考来源 - 磁流体动力学管道流动数值模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It was observed that the average values of Mach Numbers and pressures were almost constant from the entrance of the isolator to the onset of shock train along the isolator.
研究发现，在不同反压下隔离段中的平均马赫数和平均压力值，从隔离段进口到激波串波前基本保持不变。
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.
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。
A few years ago an explosion of a packed train a few hundred miles from Moscow would have caused shock and outrage right across Russia.
几年前，距离莫斯科几百里的一列挤满人的火车爆炸造成了全俄罗斯的震惊与愤怒。
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