The mean wake velocity profiles behind tandem cascades satisfy the self-similarity, similar to that behind the single-row cascade.
串列叶栅的尾迹平均速度和紊流脉动速度沿额线方向比单列叶栅变化平缓。
The results show:For the same wind speed, as the wake away from the wind rotor, the wake velocity gradually closer to flow velocity;
计算分析得出，对于同一风速，随着尾流远离风轮，尾流速度逐渐接近来流风速；
The wake of a hovering rufous hummingbird. Yellow vectors show air velocity, revealed by particle image velocimetry.
棕煌蜂鸟悬停时引发的尾流。黄色的矢量位点是通过粒子图像测速技术显现的气流速度。
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