1) Kármán vortex street
卡门涡列
3) Karman vortex street
卡门涡街
1.
The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition.
将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体,在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
2.
The stability of the Karman vortex street verified by using point-vortex model when perturbed infinitesimally is however a “slow instability”as shown by the simulation when the street is to be perturbed by finite disturbances.
经典的卡门涡街点涡模型只在一孤立情况下是线性稳定的。
3.
When the cylinder impulsively starts from rest, the early stage flow, flow seperation process and vortex generation, the unsteady evolution of vortex street and the wake flow with bine progress are numerically sedated in detail in this paper, including the generation of symmetric vortex, the α-phenomenon as a result of secondary vortex and Karman vortex street.
本文应用有限差分方法求解涡量－流函数形式的Ｎ－Ｓ方程，数值模拟了圆柱瞬时起动后流动分离，旋涡生成、脱落以及随时间推进涡街产生和长期非定常演化过程，包括对称涡的生成，二次涡形成的α结构及卡门涡街等。
4) reverse Karman vortex
反卡门涡
6) Karman vortex
卡门涡
1.
5M Laval jet flow measurement, delta wing vortex breakdown measurement, velocity uniformity calibration for industry fluid tunnel, Karman vortex measurement around vibrated cylinder, and valve .
5M超声速喷流实验、三角翼前缘涡破裂复杂流场测量实验、大型工程水洞流场校测、绕摆动圆柱卡门涡测量实验以及锥阀管道模型和漩涡分离器内部流场测量实验等[1～3]。
2.
In this paper,by means of wind tunnel tests,the axial flow and fluctuating lift force of an inclined cable model with artificial water rivulet are measured,and the effect of axial flow on Karman vortex shedding and on low frequency vortex shedding are analyzed.
通过风洞试验测量了倾斜索模型的轴向流强度和脉动升力的大小,分析了轴向流对卡门涡脱落的影响及对低频率成分涡的形成的影响,指出轴向流能抑制卡门涡的脱落,并促进低频率成分的涡的产生,索在这两方面因素的作用下容易发生发散振动。
补充资料：列门
1.水渠。 2.指家族各分支。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条