不同控制角下附加圆柱对圆柱涡激振动影响

陈威霖,及春宁,许栋

EFFECTS OF THE ADDED CYLINDERS WITH DIFFERENT CONTROL ANGLES ON THE VORTEX-INDUCED VIBRATIONS OF A CIRCULAR CYLINDER

Weilin Chen,Chunning Ji,Dong Xu

图11. 不同转速下主圆柱振幅和脱涡频率的变化情况,其中$\theta = 60^ \circ$和$U_{\rm r} = 11.0$

Fig.11. Vibration amplitude and vortex shedding frequency versus the nondimensional rotation speed ($\alpha )$ with$\theta = 60^ \circ$ and$U_{\rm r} = 11.0$