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- vortex shedding noise 尾流脱落噪声
- On the basis of hydrodynamics, the vortex shedding condition was investigated. 摘要根据流体力学原理，分析静止管道的旋涡脱落；
- Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies. 计算了圆柱的升阻力系数、尾涡脱落+频率等描述绕流问题的主要参量。
- The most important aeroelastic behavior of high-rise buildings are some special phenomena due to vortex shedding in the across-wind direction. 高层建筑的气弹力行为中，主要在于横风向上受涡漩作用所产生之一些特殊现象，本文针对顺风向、横风向变位及锁住现象进行探讨。
- It is found that a steady wind of Beaufort force 6 may cause vortex shedding of a frequency coinciding with the second bending frequency of the structure. 然后，在发生风致振动的实际条件下，测量了振动频率和振型以及当时的风速，确认振动的原因是一种流固耦合作用形成的风的尾流脱落激励引起结构共振。
- The fluctuate drag and lift forces of tree branches in wind due to vortex shedding were estimated using the vortex induced vibration theory of circular cylinder. 采用圆柱绕流的涡致振动理论估算了树枝在风中因旋涡脱落而引起的脉动升力和阻力；
- The numerical results demonstrate that Reynold number is the major factor controlling the flow.Under different high Reynolds numbers, there is different vortex shedding condition. 通过数值分析，得出在绕流问题中雷诺数是决定流型的主要因素，在不同的雷诺数下，旋涡脱落也随之不同；
- Based on vortex shedding flowmeter work theory and manufacturing technique,we used positioning fixture to fill with the technique requirement,guarantee the quality and raise efficiency. 根据涡街流量计的工作原理和生产工艺流程,提出了其在生产过程中的关键工艺问题,应用定位夹具来满足相应的技术要求,以保证质量和提高效率。
- This paper puts enough emphasis on the similarity in analyzing the mean velocity over a long period of time (where the long period is referred to as a cycle of the Karman Vortex Shedding). 从相似性的角度，对流速在尾流摆动一个周期内的平均值进行了分析。
- 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。
- vibration induced by vortex shedding 涡激
- Studies on the Blade Tail Edge Vortex Shedding Broadband Noise Calculation Model of Axial Flow Fan 轴流叶轮尾涡脱落宽频噪声计算模型研究
- The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design. 本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
- Design of Embedded Digital Intelligent Vortex Shedding Flowmeter 嵌入式数字智能涡街流量计的设计开发
- A noise abatement notice is served on the club. 向俱乐部发停止大声喧哗的通知。
- The noise of traffic grows louder and louder. 交通的噪音变得愈来愈大。
