| 1. | Large eddy simulation of vortex shedding for model srm
模型燃烧室紊流燃烧的大涡模拟 |
| 2. | Vortex shedding flow transducer
涡街流量传感器 |
| 3. | Measurement of fluid flow in closed conduits - flowrate measurement by means of vortex shedding flowmeters inserted in circular cross - section conduits running full
封闭管道中液体流量的测量.在圆形截面导管中插入涡流流量计来测量流率 |
| 4. | The results are compared with the cases in a single - layer fluid , showing that the density stratification can have a relative large effect on the drag and lift coefficients as well as the vortex shedding
计算受迫振荡圆柱体的升力系数、阻力系数随时间的演化曲线和圆柱体的尾涡分布，以及圆柱体的受迫振荡激发两层流体内界面的扰动，并与均匀流体的情况进行了比较分析。 |
| 5. | With the rapid development of network communication and micro - electronic technology and vortex shedding flow meter widely used in the flux control system , the paper has an advanced research on low power consumption vortex shedding flow meter based on network communication
论文根据当前网络通信技术和微电子技术迅猛发展，以及涡街流量计在流量测量系统中广阔的应用前景提出了基于网络通信的低功耗涡街流量计。 |
| 6. | The spanwise characteristic length determines the transition features and global properties of the wake . especially for the specific spanwise characteristic length linear stable mode can dominate the wake in place of mode a and determine the spanwise phase difference of the primary vortices shedding
尤其值得注意的是发现在特定的展向特征长度下线性稳定的展向模态会取代模式a而在尾迹中占优并决定卡门涡脱落的展向相位差。 |
| 7. | The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed . the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles . the focus of study is large - scale cross - section separation flows , bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces
应用所开发的求解器，以wigley船型为算例计算了大角度斜航船体粘性流场和水动力，分析了漂角的变化对船体所受到的粘性水动力的影响，相当精确地预报了以横流分离和般涡生成与泄出为特征的操纵运动船体特有流动形态及横向水动力和转脂力矩，经与现有试验和计算数据比较，检验和验证了该求解器精确模拟绕斜航运动船体的大尺度分离流动和计算非线性水动力的能力。 |
| 8. | Stay cables of the long - span cable - stayed bridges are susceptible to vibration under wind loading , or wind incorporated rain excitation , or deck motion due to high flexibility , relatively small mass and very low inherent damping , such as vortex shedding , wake galloping , parameter resonance and wind - rain induced vibration . large - amplitude vibration of cables may reduce the life of cables and threaten safe traffic , and has been considered today as one of the most critical problems for this type of bridge
大跨度斜拉桥拉索具有较小的质量和极低的阻尼，在风、风雨及桥面振动等外部激励下极易发生振动，如涡激共振、尾流驰振、参数共振和风雨振等，拉索的大幅振动对拉索的使用寿命和桥梁安全运营构成极大威胁，它已成为大跨度斜拉桥急需解决的关键问题之一。 |
