vortex shedding

涡流发散,涡旋脱落,旋涡分离

  • A wind tunnel study on vortex shedding of cylinder in oscillating flows

    脉动流中圆柱体 旋涡 脱落的风洞实验研究

  • 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

  • If suction pressure is strong enough the unsteady vortex shedding phenomenon can be eliminated and steady flow formed .

    在一定吸气强度下吸气可使 翼型背风 的非定常 脱落现象消失从而起到 作用

  • 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、 脱落频率等描述绕流问题的主要参量。

  • The relationship between the frequencies of fluctuating aerodynamic forces and vortex shedding by the power spectrum analysis ;

    利用功率谱分析气动力脉动频率和 旋涡 脱落之间的关系;

  • 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

  • Periodic vortex shedding will cause periodic aerodynamic force if the structure is a self-vibration system then it may arouse large displacement response resulting in damage to structures .

    周期性的 旋涡 脱落 会引起周期性的气动力作用,如果结构是一个自振体系,那么就有可能引起很大的位移响应,造成结构物的破坏。

  • 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

  • By analyzing the velocity distribution the vortex shedding mechanism of gas-liquid two-phase flow is studied . Velocity distribution and static pressure distribution of different percentage of liquid are compared to study the relationships between vortex shedding and the liquid . 4 .

    利用速度分布研究了 旋涡 脱落的机理,对不同液相含率的气液两相流的速度分布和静压分布进行了比较,分析了液相对涡街形成的影响。

  • A probe for an electric capacity type vortex shedding flowmeter of the utility model relates to a probe of a flowmeter for measuring media flow in a channel such as liquid gas and steam etc.

    电容式 涡街流量计探头,它涉及一种用于测量管道内液体、气体和蒸汽等介质流量的流量计探头。

  • 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;

  • Vortex Shedding and Vortex-Excited Vibrations of a Circular Cylinder in Wave Flows

    波浪流中圆柱杆的 涡街 发放和涡激振动

  • Experimental Investigation on Vortex Shedding from Staggered Cylinders in Gas - Liquid Two-Phase Flow ( 3 ) Shedding Ability .

    气液两相流中错列圆柱上 旋涡 脱落 规律的试验研究(3)自动脱毛。

  • The vortex shedding characteristics of tube bundles in line arrangement subjected to gas liquid two phase cross flow were investigated experimentally .

    对受气液两相流横向冲刷的顺列管束 旋涡 脱离特性进行了实验研究。

  • Large eddy simulation of vortex shedding for model SRM

    模型固体火箭发动机内 脱落过程的大涡模拟

  • The methods are discussed to identify Vortex shedding force of single degree of freedom models .

    探讨了基于单自由度经验模型的 力识别方法。

  • In present paper the correlation length measuring techniques of vortex shedding from a circular cylinder are studied .

    本文探讨了圆柱绕 脱落 旋涡 空间相关长度的测量技术。

  • The branches are shaking in high frequencies due to the vortex shedding on branches but the amplitudes are very small .

    旋涡 脱落而引起的枝条抖动频率很高,但振幅很小。

  • The frequency of vortex shedding and the position of separation are affected by the incidence and Mach number .

    分离点的位置随着 攻角和马赫数的变化而变化。

  • The LES instantaneous results reveal the complex vortex shedding pattern in swirling flows .

    LES的瞬态结果揭示出在旋流作用下,流场中存在复杂的 旋涡 脱落现象。

  • Vortex shedding and time mean pressure behind oscillating spoilers

    振动扰流片 旋涡 脱落和时均压力实验研究

  • 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

  • Numerical Study of the Vortex Shedding from a Circular Cylinder and Its Effects on the Heat Transfer of Mixed Convection

    混合对流绕圆柱 涡旋 脱落及对传热影响的数值研究

  • We made the flow visualization experiment for flow over bluff body or dual bluff body to study the characteristics of vortex shedding .

    采用烟雾成像的可视化方法,对单、双三角柱型钝体的 旋涡 脱落特性进行了实验研究。

  • The research results show that the vortex shedding of twin decks bridges is effected mostly by aerodynamic interference of the twin decks ;

    研究结果表明:对于双幅桥面桥梁的气动干扰效应主要表现为对 共振 响应的影响;

  • Numerical Simulation of the Vortex Shedding From Two Side-by-side Square Cylinders in Gas-liquid Two-phase Flow circle theorem of hydrodynamics

    气液两相流并列双方柱绕流 特性数值研究流体动力学的圆柱绕流定理

  • As two vortex shedding are used so that the minimum measurable flow rate is very low .

    该流量计由于采用了两个 旋涡 发生器,因此可测量很低的最小流速。

  • A study on vortex shedding frequency of blade profile and cylinder in cascade tunnel

    对圆柱和二维扩压叶栅在平面叶栅风洞中 旋涡 脱落的试验研究

  • Effect of Thick Wall Turbulent Boundary Layer to Vortex Shedding of Circular Cylinder

    厚壁面湍流边界层对圆柱 影响的实验研究