卡门涡
- 网络karman vortex
卡门涡-
卡门涡在尾迹平均流场中演化产生三维的类似于马蹄形-勺子形的流场结构。
Karman vortex in the time-averaged wake flow field wolves into a horseshoe-spoon-like three-dimensional structure .
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把石头堆成一道堤坝发现在丁坝的上游会形成马蹄涡，在丁坝的背风面会形成卡门涡。
Heap stones to form a dam There are horse shoe vortex around spur dikes and Karman vortices behind spur dikes .
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本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型，可在设计阶段进行叶片绕流卡门涡频率的预估。
The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design .