Karman vortex street
英
美 [ˈkɑrmən ˈvɔːrteks striːt]
卡门涡街；卡门涡列
双语例句
- An analysis of the stability of Karman vortex street configurations Upon entering through the main gates, you will face the Hut of the Caretaker, which may have been an entrance checkpoint.
关于卡门涡街形状稳定性的一点分析进入大门之后，即可看见「门人小屋」当初可能是进入该城的关卡。 - It is presented how to successfully simulate the phenomenon of Karman vortex street when fluid passes by vortex flowmeter by using FLUENT software.
运用FLUENT数值仿真软件成功的模拟出流体流经涡街流量传感器时所产生的卡门涡街现象。 - The Analysis and Elimination of Vibration by Karman Vortex Street in tube AH
管式空气预热器卡门振动的分析及消除 - When Reynolds number is16.2, the alternate eddy formation and shedding are repeated and the phenomenon is common to Karman Vortex Street.
雷诺数为16.2时，圆柱后会持续的周期性产生漩涡并脱落，类似宏观现象中的卡门涡街； - The time-averaged velocity field of the wake and Karman vortex street flow field are considered as two kinds of the background flow field.
背景流场考虑为尾迹时间平均速度流场和Kármán涡街流场。 - The result of the experiment shows that, ( 1) the built-in round ball produces Karman vortex street of the flow in the tube and increases the turbulivity of the fluid, therefore it can prevent the deposition of the fouling in the tube wall;
实验研究结果表明：（1）换热管内置圆珠构件使管内流体出现卡曼涡街现象，增加流体湍流度，破坏了壁面附近的层流层，可限制污垢在壁面沉积； - The results confirm that twice global mode switching and a Hopf bifurcation occur with increasing Reynolds number Re up to which the Karman vortex street forms, and the first explanation of this phenomenon with absolute/ convective instability theory is given.
结果证实，随着Re数的增加直至Karman涡街形成，先后发生了两次整体模态的跳跃和一次Hopf分叉，并首次用绝对／对流不稳定性理论解释了这一现象。 - With the computation results, the forming mechanism of reverse Karman vortex street and the thrust to fish when it swim are analyzed, and the influence of different St number to thrust is researched as well.
结合计算结果对鱼类游动时反卡门涡街的形成和鱼体推力的产生机理进行了分析，并对不同斯特哈尔数对推力的影响进行了研究。 - It is shown from the result that the numerical method of unsteady Navier-Stokes Equations could simulate the field of swimming fish and the process of forming of reverse Karman vortex street correctly;
结果表明：非定常N-S方程数值方法能够正确模拟鱼体运动时的流场和反卡门涡街的形成； - According to the analysis of the vibration signals, the frequency at the point of maximum amplitude is assured to be the passing frequency of blade, and the emission frequency of the Karman vortex street is also abstracted.
通过对振动信号进行基于EMD的能量算子解调以及频谱分析，发现得到的最大幅值处的频率就是叶轮叶片的通过频率。 - Simulation of the Karman Vortex Street with the Upwind Finite Element Method
采用上风有限元方法的卡门涡街模拟 - Karman Vortex Street will be produced when the fluids flow around the cylindrical structures. The periodic lift force and drag force that the structures suffered may caused resonance and destroy the structures.
流体流经圆柱形构筑物时，构筑物后方会产生卡门涡街，并伴随周期性的阻力和升力震荡，严重时会引起构筑物的共振破坏。