As the fluid flows over the fiber, the periodic lift produced by asymmetric of vortex shedding forces the fiber to self excited vibration.
以振动纤维栅过滤除尘器中纤维为研究对象 ,通过实验研究结合流体诱发振动的机理分析 ,确定引起纤维振动的主要原因是流体绕流纤维时 ,旋涡脱落的不对称性产生的周期性升力作用于纤维 ,使纤维发生自激振动 ,旋涡脱落的频率与纤维的固有频率产生同步效应时旋涡脱落诱发纤维产生共振·当发生共振时 ,可以根据纳维斯托克斯方程计算出旋涡脱落产生的升力系数和阻力系数
With the vortex shedding within the whole span of the fiber shed at the same frequency at the same time ( Re >40), thus producing the synchronization effect.
在振动纤维栅除尘器中 ,气流绕流纤维时旋涡脱落频率 (Re>4 0 )与纤维的固有频率相近 ,发生同步效应 ,使振动纤维栅中的纤维产生共振响应。
The velocity distribution of flow in the lower plenum of Qinshan Nuclear Power Plant was analyzed,as well as the natural frequencies and the flow-induced vicration of the lower internals in sequence,especially the quantitative analysis of the vortex shedding mechanism.
对秦山核电厂堆芯下腔流场、堆内下部防断支承组件振动特性及全组件的流致振动进行了分析,特别对旋涡脱落致振进行了定量分析。
Objective To study the appearance of atlantoaxial rotatory dislocation with CT and to evaluate its value.
目的 研究寰枢关节旋转脱位的CT表现并探索其诊断价值。
Numerical Simulation of Vortex Shedding on Gas-liquid Two-phase Flow Around Circular Cylinders;
气液两相圆柱绕流旋涡脱落特性的数值模拟
Characteristic Research of Vortex Shedding in Vertical Upward Gas-Liquid Two-Phase Flow
垂直上升管内两相流旋涡脱落特性研究
Numerical Investigation of Vortex Shedding from Rectangle Cylinders Scoured by Gas-liquid Two-Phase Flow
气液两相流矩形柱绕流旋涡脱落数值研究
Study on the Vortex Shedding Characteristics in Horizontal Flow around Heated Circular Cylinder
水平液体绕流热柱体旋涡脱落特性的研究
Experimental Research Based on Virtual Instrument for Vortex-shedding Characteristics of Heated-cylinder
基于虚拟仪器的热柱体旋涡脱落特性实验研究
Research Progress on the Vortex Shedding Characteristics in a Heated Circular Cylinder
流体绕流热柱体旋涡脱落特性研究进展
Numerical Study of the Vortex Shedding from a Square Cylinder and Its Effects on the Heat Transfer of Mixed Convection;
混合对流绕方柱涡旋脱落及对传热影响的数值研究
A low-speed wind tunnel test shows that beneficial effects on enhancing lift can be obtained by using internal acoustic excitation to control the shedding vortices.
二元后台阶低速风洞实验表明,用内部声激励控制脱落旋涡能够获得有利的增升效应。
Large eddy simulation of vortex shedding for model SRM
模型固体火箭发动机内涡脱落过程的大涡模拟
A vortex, as of a whirlwind or whirlpool.
涡流，如旋风或旋涡的
rain swirling the night into tunnels and gyres(Anthony Hyde)
晚上，雨打着漩落入地道和旋涡里(安东尼 海德)
Simulation on the Vortex Shedding Caused by the Cross-flow over Plates in a Narrow Channel
窄通道中掠过平行板流动引起的漩涡脱落数值模拟
A whirlpool of extraordinary size or violence.
大旋涡一个规模和烈度都很大的旋涡
Study on Dynamic Characteristics of the Twin-Scroll Compressors;
双头涡旋齿涡旋压缩机动力特性研究
Vortex Charges and Vortex State Phase Transitions in Superconductors;
超导涡旋电荷及磁通涡旋态相变研究
Analysis of Failure Modes for scroll wrap in scroll vacuum pump
涡旋真空泵涡旋齿失效形式分析(英文)
siphon vortex flushing action
旋涡虹吸式冲洗功能
