计算了圆柱的升阻力系数、尾涡脱落频率等描述绕流问题的主要参量。
Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies.
并且当漩涡脱落频率与杆件的固有频率接近时，杆件会产生漩涡脱落共振或称涡激共振。
Besides, in case the vortex shedding frequency is equal to a vibration frequency of structure, the rod will occur the vortex shedding resonance or called vortex resonance.
并且当漩涡脱落频率与杆件的固有频率接近时，杆件会产生漩涡脱落共振或称涡激共振。
Besides, in case the vortex shedding frequency is equal to a inhere frequency of rod, the rod will arises the vortex shedding resonance or called vortex resonance.
并且当漩涡脱落频率与杆件的固有频率接近时，杆件会产生漩涡脱落共振或称涡激共振。
Besides, in case the vortex shedding frequency is equal to a vibration frequency of structure, the rod will arises the vortex shedding resonance or called vortex resonance.
在迎角很大时细长旋成体背部流场沿轴向通常有两个截然不同的区域，其中卡门涡脱落区域位于后体，而头涡区域靠近旋成体头部。
There are two shedding modes along the slender axes when the angle of attack is very high. The Karman vortex shedding region is located in afterbody while the nose vortices region is near the apex.
同时由于导流体尾迹内部脱落涡强度太低，其脱落频率也不会对发动机低压转子振动特性产生影响。
Moreover, because the intensity of vortex shedding in the wake of the guide vane is too weak, it's frequency has no influence on the vibration characteristics of the low-pressure compressor rotor.
研究结果表明：湍流椭圆自由射流的最显著特征是椭圆涡环的间歇产生、脱落，这些涡环一旦产生立即脱落。
The results show that the most significant feature of turbulent free jet is the intermittently generation, shed of elliptic vortex rings, and once they generate they shed immediately.
利用非定常流函数涡量方程数值模拟圆柱突然起动尾流涡旋的形成及周期性脱落过程。
The unsteady equations of stream and vorticity functions were used for numerical simulation on the process of the vortex formation and periodic shedding from an impulsively started circular cylinder.
后缘涡顺利地从后缘脱落时，失速涡在上翼面能诱导出较大的吸力。
A high suction peak is induced by the stall vortex as the trailing edge vortex sheds downstream smoothly.
后缘涡顺利地从后缘脱落时，失速涡在上翼面能诱导出较大的吸力。
A high suction peak is induced by the stall vortex as the trailing edge vortex sheds downstream smoothly.
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