Finally, the characteristics of the vortex shedding in the wake are analyzed.Under the given experimental condition, the conclusion is drawn that the Strouhal number keeps the constant of 0.2.

• 对圆柱尾迹的旋涡脱落特性进行了分析，得出在试验条件下斯特劳哈尔数保持为常数0.；2的结论。