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在试验研究的基础上 ,论述了有涡管流的产生条件及速度场和涡量场特性 ,给出了典型的流速分布并绘制了涡线
Based on the experimental study, the conditions of vortex tube flow generation and the characteristics of velocity field and vorticity field are discussed. The typical flow velocity distribution is given and the vortex line