根据激波理论，爆炸产生压力脉冲并以压力波的形式传播，既有压缩波也有膨胀波。
According to the shock theory, the ejecta produced by explosion form the pressure pulse, and it spreads in forms of either compression waves or expansion waves.
发现了在接近喷嘴出口的区域里，出现了与射流内的激波、膨胀波有关的振荡流。
At the region near the nozzle exit, a vibrating flow phenomenon is found, which is associated with the expansion waves and shock waves reflections inside the gas jet.
根据改进的二阶激波-膨胀法提出了新的判据。
According to the improved second-order shock-expansion method, a new criterion is presented.
压缩波的合并产生激波，它的强度被随后并入的压缩波或膨胀波分别增强或减弱。
Shocks are formed by merge of compression waves with each other and its magnitude is enhanced or declined by catching compression waves or expansion waves behind the shock respectively.
高时空分辨率的NPLS图像再现了激波、膨胀波、边界层及尾迹等流场结构。
NPLS images at high spatiotemporal resolution reveal shockwave, expansion wave, boundary layer and wake in the flow.
一般外壳的固定膨胀点能比蛋形外壳更好地限定局部激波的位置。
The fixed expansion points of the general shroud allow a better definition of local shock locations than on ogive type shrouds.
超燃冲压发动机的内部流场很复杂，存在激波、膨胀波、附面层和剧烈的化学反应等相互作用，给数值模拟带来很大的困难。
The internal flow fields in scramjet are very complex, due to the interaction of shock waves, expansion waves, boundary layer and strong reactions.
计算结果表明，在弯管小曲率半径壁面附近，由于膨胀稀疏作用，爆轰波强度减弱，在局部出现前导激波与放热反应区的解藕以及二次起爆现象；
From the numerical results it is observed that as the curvature of the bend changes, different detonation phenomena occurred along the wall of the bended pipe.
这种激波会导致形成一个膨胀的气体和尘埃构成的壳状结构，这被称作超新星遗迹。
This shock wave sweeps up an expanding shell of gas and dust called a supernova remnant.
这种激波会导致形成一个膨胀的气体和尘埃构成的壳状结构，这被称作超新星遗迹。
This shock wave sweeps up an expanding shell of gas and dust called a supernova remnant.
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