试验证明了PIV技术可以应用于被动振动非定常复杂流场的测量中，并对两维翼流体旋涡诱发振动响应进行了分析。
The experiment shows that the PIV technique can be utilized to measure the unsteady complex flow of passive vibration, and analyses the vortex-induced vibration.
研究发现，在进气过程的初始阶段，缸内始终存在一对旋涡，并且沿气缸轴线向下缸内流体出现逐步融合的趋势；
The results show that there are a couple of vortexes trending blend along the axes in the cylinder at the initial phase of intake process.
本发明是一种高效的正旋涡泵，属于流体机械。
The invention is an efficient positive vortex pump, which belongs to fluid machinery.
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