分离空间内时均流场是外侧准自由涡与内侧准强制涡的典型结构。
In the separation space, the outer vortex can be approximately regarded as quasi-free vortex and inner vortex as quasi-forced vortex.
证明了自由涡的设计方法在现代先进涡轮设计中仍占有重要的地位。
It is verified that the design method of free vortex flow is still important in advanced turbine design.
研究了自由涡射流对透射激光产生的气动透镜效应，给出了计算结果。
The aerodynamic lens effect of laser beam through aerodynamic window is investigated and the conclusion is provided.
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