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。
Can you spot another vortex street in the image? 你能在图中找到另一涡旋列吗?
It is shown that the reversed Kaman vortex street was generated, and then the foil get the positive thrust. 结果显示:当达到一定条件时,尾流出现反卡门涡街,使机翼得到正的推力而产生逆流前行的趋势。
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。
Common Abnormity and Processing Method of Vortex Street Flowmeter in Steam Pipe Measurement 涡街流量计用于蒸汽管道计量中的常见异常及处理
According to the flow structures identified from instantaneous velocity fields, the vortex street is created at the airfoil tail region. 在测量范围内,翼型的尾缘处是近尾迹涡街的形成区;
Fog two-phase flow correlation for vortex flow meter based on theory of vortex street wave 基于波理论的涡街流量计雾状流测量模型
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;
Experiment Study on the Effect of Discrete Liquid Phase for Vortex Street Flowmeter Measuring Error 离散液相对涡街流量计测量误差影响的实验研究
Study of Gas-liquid Two-phase Vortex Street Characteristics of a Square Cylinder and a Circular One 方柱体与圆柱体气液两相涡街特性的研究
The characteristics of the cavitating vortex street's forming and crumbling depend on the variation of the cavitation number; 空化数的大小,决定了空化涡街形成与溃灭的不同特征;
Application of Vortex street flowmeter in city coal gas 涡街流量计在城市煤气中的应用
The Application of Vortex Street Flowing Meter in Measurement of Coke Oven Gas 涡街流量计在焦炉煤气计量中的应用
The results show that the forming and developing of cavitation around the hydrofoil are related to the vortices produced at the foil's front ( suction side) and rear ( pressure side), or the combination of both: vortex street; 实验结果表明,绕这种超空化水翼的空化形成与发展,均与产生于翼型前端(吸力面)和尾端(压力面)的旋涡或二者的结合体:空化涡街有关;
The paper introduces firstly the working principle of vortex street flowmeter, secondly the signal conditioning circuit. 本文首先介绍了涡街流量计的工作原理,之后详细说明了前端信号调理模块的硬件结构。
The experimental results revealed the relationship between the structure of vortex street of the foil and Strouhal number. 实验结果揭示了机翼正弦运动时尾迹涡街的特性以及与Strouhal数的关系;
Intelligent vortex street flowmeter is a new type of checking instrument on the basis of microprocessor. 智能型涡街流量计是以微处理器为基础的新型流量检测仪表。
Experimental research and computation on pressure loss coefficient of vortex street flowmeter 涡街流量传感器压力损失系数的试验研究与计算
An Application Research on Intelligent Vortex Street Flowmeter Based on Micro-processor 基于微处理器的智能涡街流量计应用研究
When flowing through the vortex street sensor, the atmosphere generates a series of vortexes. 大气流过涡街传感器时,在传感器中形成一系列的漩涡。
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。
Influence of Body Shapes on the Gas-Liquid Two Phase Vortex Street 柱体形状对气液两相涡街的影响
The influences of flow direction on the gas-liquid two-phase vortex Street for triangular column 流动方向对三角形柱体气液两相涡街的影响
Design and Application of Vortex Street Flowmeter 涡街流量计的设计及其应用
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。
Study of Appearance of Gas-liquid Two-phase Vortex Street around T-shape Column T形柱体气液两相涡街现象的研究
The results show that the wavy interface and vortex street are caused by the velocity distribution of shear flow and periodic disturbance at the interface. 研究表明波状界面和涡街是由界面处的剪力流速度分布和周期性扰动所造成的。
Oblique vortex street from a cylinder oscillating in water 圆柱振荡流中的斜向涡街
When the vortex street frequency is consistent with the cylinder natural frequency, resonating create the enormous destruction. 当涡街频率与柱体固有频率一致时,发生共振将造成极大破坏。