The steam is cooled by the cold engine nozzle, condensing and eventually freezing at the nozzle exit to form icicles.
热蒸汽被喷口边缘冷却、压缩并最终形成了喷口边缘的冰柱。
This equation is one of the most useful, as it allows the nozzle exit velocity to be calculated.
这个等式是其中一个最有用，因为它允许喷嘴出口速度计算。
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.
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。
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