Results indicated that the vortex behaviour was quite different at the same roll angle between static and dynamic conditions.
结果表明：在相同滚转角下，静态和动态情况下旋涡特性有相当大的差别；
A kind of Kelvin type vortex formed by the roll up of the jet shear layer is observed in the experiment.
实验观察到射流迎、背流剪切涡层卷起形成类开尔文涡列。
The improved vortex lattice method is used to predict the ground effect on wake roll-up behind a lifting surface.
用该方法研究了近地升力面尾涡卷起的地面效应。
The improved vortex lattice method is used to predict the ground effect on wake roll-up behind a lifting surface.
用该方法研究了近地升力面尾涡卷起的地面效应。
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