Karman vortex
英
美 [ˈkɑrmən ˈvɔːrteks]
网络 卡门涡; 卡曼涡; 卡门涡流; 卡门漩涡式; 卡门涡漩
双语例句
- 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。 - 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。 - 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； - Experimental Investigation of Perturbation by Karman Vortex-Street in Turbulent Boundary Layer Outer Region Visualization and measurement study of vortex flow over delta wing with dorsal fins
平板湍流边界层外区卡门涡街扰动的实验研究带背鳍平板三角翼分离涡流场的显示与测量 - The high temperature vortex flow-sensor is a sensitive part which is made of high temperature piezoelectric ceramics with Karman vortex theory.
高温涡街流量传感器是根据卡门涡街理论，采用高温压电陶瓷制成的敏感器件，本传感器使用PNC型改性偏铌酸铅高温压电陶瓷。 - A study on detecting Karman vortex shedding frequence using ultrasound
超声法测量Karman旋涡脱落频率的研究 - The time-averaged velocity field of the wake and Karman vortex street flow field are considered as two kinds of the background flow field.
背景流场考虑为尾迹时间平均速度流场和Kármán涡街流场。 - Based on the discrete vortex method, a conformal mapping technique is used to solve Karman vortex street-airfoil interaction.
本文利用保角变换，用离散涡方法求解了卡门涡街与翼型的相互作用。 - The result of the experiment shows that, ( 1) the built-in round ball produces Karman vortex street of the flow in the tube and increases the turbulivity of the fluid, therefore it can prevent the deposition of the fouling in the tube wall;
实验研究结果表明：（1）换热管内置圆珠构件使管内流体出现卡曼涡街现象，增加流体湍流度，破坏了壁面附近的层流层，可限制污垢在壁面沉积； - In this paper, the mechanism for three-dimensional evolution of the isolated Karman vortex and the thin vortex filament in a circular cylinder wake has been studied numerically using LIA method.
本文用涡动力学及LIA方法作为基本理论模型，数值研究了尾迹中孤立涡和细涡丝的三维演化规律。 - 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。 - This method was demonstrated on in vitro Doppler signals recorded from both steady and pulsatile flow using a Karman vortex generator.
文中还给出了这种方法对从卡尔曼涡流产生器记录的稳流和脉动流多普勒信号的分析结果。 - 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。 - It is shown from the result that the numerical method of unsteady Navier-Stokes Equations could simulate the field of swimming fish and the process of forming of reverse Karman vortex street correctly;
结果表明：非定常N-S方程数值方法能够正确模拟鱼体运动时的流场和反卡门涡街的形成； - According to the analysis of the vibration signals, the frequency at the point of maximum amplitude is assured to be the passing frequency of blade, and the emission frequency of the Karman vortex street is also abstracted.
通过对振动信号进行基于EMD的能量算子解调以及频谱分析，发现得到的最大幅值处的频率就是叶轮叶片的通过频率。 - Simulation of the Karman Vortex Street with the Upwind Finite Element Method
采用上风有限元方法的卡门涡街模拟 - Karman vortex in the time-averaged wake flow field wolves into a horseshoe-spoon-like three-dimensional structure.
卡门涡在尾迹平均流场中演化产生三维的类似于马蹄形-勺子形的流场结构。 - Karman Vortex Street will be produced when the fluids flow around the cylindrical structures. The periodic lift force and drag force that the structures suffered may caused resonance and destroy the structures.
流体流经圆柱形构筑物时，构筑物后方会产生卡门涡街，并伴随周期性的阻力和升力震荡，严重时会引起构筑物的共振破坏。 - The vortex flowmeter makes the Karman vortex and thermal, ultrasonic, piezoelectric, strain, capacitance, magnetic, optical and other detection technology together to develop a variety of products.
涡街流量计把卡曼涡街与热敏、超声、压电、应变、电容、电磁、光电等检测技术融合在一起，开发出丰富多彩的产品世界。 - Karman vortex flowmeter since its inception in the late 60 century, after 40 years of development, has become a common flowmeter ranks.
涡街流量计自20世纪60年代末问世以来，经过40多年的发展，已经进入通用的流量计行列。