The jet is controlled by a circular vortex chamber, and self exited oscillation occurs due to a pressure difference between the left and right parts of vortex chamber.
该装置利用环形涡腔对射流进行控制，利用涡腔的左、右腔的压力差产生自激振荡。
Besides, the present experiment has verified one previous discrete vortex model of the acoustic nonlinearity of a circular orifice.
此外实验结果还验证了一种微园孔声学非线性效应离散涡模型的合理性。
The giant vortex state is circular symmetric with a fixed value of angular momentum l.
巨涡旋态的角动量量子数为L，波函数分布呈轴对称。
The unsteady equations of stream and vorticity functions were used for numerical simulation on the process of the vortex formation and periodic shedding from an impulsively started circular cylinder.
利用非定常流函数涡量方程数值模拟圆柱突然起动尾流涡旋的形成及周期性脱落过程。
The model USES the curved vortex elements on the circular arc as the basic discrete elements for trailed filaments and utilizes the free wake extension to form an adaptive far wake downstream.
该模型采用圆弧涡元作为基本涡元，并依据自由尾迹涡线确定远尾迹形状以使远尾迹更接近实际和自由。
The results show that the vortex motion is unstable for small three-dimensional disturbances in the separated wake of a circular cylinder.
结果表明，圆柱分离尾迹中的旋涡存在三维不稳定性。
Result shows that the dip Angle, the towed velocity and reduced velocity are main influence factors to the vortex-induced vibration of a circular cylinder.
结果表明，约化速度、拖缆倾角、拖曳速度等是影响涡激振动的主要因素。
In present paper, the correlation length measuring techniques of vortex shedding from a circular cylinder are studied.
本文探讨了圆柱绕流脱落旋涡空间相关长度的测量技术。
The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.
本研究对水平液体绕流热圆柱体的旋涡脱落特性进行了研究。
The detecting element adopts the non-contacting current vortex sensors in the system. The data collecting of circular error is equiped with the high speed acquisition card.
提出了一种圆度误差测量数据采集系统，该系统采用非接触电涡流传感器作为圆度误差数据的检测元件，采用高速数据采集卡采集圆度误差数据。
A vortex member is arranged on the vortex net board. The vortex member is a spiral twist sheet with a spiral Angle. The axial shape of the spiral twist sheet is circular.
所述旋流构件为一段带螺旋角的螺旋扭片，所述螺旋扭片的轴向形状为圆形。
A vortex member is arranged on the vortex net board. The vortex member is a spiral twist sheet with a spiral Angle. The axial shape of the spiral twist sheet is circular.
所述旋流构件为一段带螺旋角的螺旋扭片，所述螺旋扭片的轴向形状为圆形。
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