vortex flow

Approach to formation of thin piece welding nugget vortex flow

薄件点焊熔核旋流现象的形成

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though a preliminary investment of vortex flow meter is a bit higher than orifice, its free maintenance, high precision, stable in operation and good performance make it possible to replace orifice in certain extent.

涡街流量计虽然一次性投资比孔板流量计稍高，但精度高、免维护、工作稳定，总体性能优于孔板流量计，在一定程度上用以取代孔板流量计是可能的，也是可行的。

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The results of the tests indicate that the new TMD device, designed according to the principle of electromagnetic vortex flow energy dissipation, can efficiently reduce the dynamic responses of the steel frame.

大量试验结果表明：利用电磁涡流耗能原理的TMD新装置具有良好的结构减震效率。

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It is shown that there are two regions in the cyclone, the steadily tangential flow in the spiral channel and the combined vortex flow in the centre.

计算结果表明，旋风分离器内部的流场分为两部分：螺旋通道内比较稳定的流场和筒体中心区域的复合涡结构流场。

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The cautions of operations of vortex flow meter in flow measurement of chemical industry are given.

提出了在化工行业的流量测量中使用涡街流量计的注意事项.

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Study of the Compressible Gas Three Dimensional Flow Fields in the Vortex Tube

涡流管内可压缩气体三维流场研究

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The research progress of four kinds of continuous emulsion polymerization reactors: continuous stirred tank reactor, continuous loop tubular reactor, pulsed packed column and Couette-Taylor vortex flow reactor were reviewed with 14 references.

介绍了4种主要连续乳液聚合反应器的研究新进展，包括连续搅拌釜式反应器、连续环管式反应器、脉冲填料塔式反应器及库爱特-泰勒旋流式反应器。

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The velocity field resulting from vortex flow and its numerical simulations

涡度诱导出的速度场及其数值模拟

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The results clearly present the three-dimensional structure of the vortex flow.

结果清楚地揭示了涡的三层结构。

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Comparison of Performances of Vortex Flow Sensor in Two-Dimensional and Three-Dimensional Flow Field

涡街流量传感器在二维和三维流场中特性之比较

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An experimental research on the performance of a small flow vortex tube is introduced.

本文用实验方法研究了小流量涡流管制冷的特性.

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To obtain good aerodynamic characteristics, the radial aerodynamic balance equations were adopted to build the fan's rotating blades, which were evolved from the simplified three dimensional flow theories, the constraint conditions and the control vortex theory.

采用简化的三元流动设计理论得到叶轮叶片气动设计径向平衡方程式和求解约束条件，进而引入了控制涡设计理论进行风扇叶片造型，获得了优良的气动性能；

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After a brief introduction of the Nernst effect in normal metal, it is pointed out that Nernst effect produced by the vortex flow in the mixed state of type ⅱ superconductors is much larger than that of normal charge carriers.

简要地介绍了通常金属的能斯特（Nernst）效应，指出类超导体在混合态的磁通运动产生的能斯特效应远大于正常载流子的贡献。

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Effect of outboard leading edge bluntness of double delta wings on vortex flow characteristics

双三角翼外翼前缘钝化对涡流特性的影响

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Numerical Simulation for Different Structure of the Vortex Flow Field in Spiral Flow Finishing

螺旋流光整加工中旋涡流流场的数值模拟研究

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Study on Performance of Vortex Flow Sensor at Low Flowrates Can I use instrument to measure out the energy in the energy chamber?

涡街流量传感器小流量测量性能研究能量屋的能量是否可用仪器测出来？

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In this paper the dynamic vortex flow visualization for oscillating delta-wing models with large amplitude and for oscillating canard was summarized. Mea surement of Complex Flows produced by an Oscillating Canard

本文绘出不同后掠角的三角翼模型在低速风洞中大幅度俯仰运动时和带振动鸭翼飞机模型主翼面上的动态流动显示；振动鸭翼复杂流场测量

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The gas flow in cyclone is mostly tangential flow, which has a regular velocity field, and the radial flow is minimum. The flow field is mainly composed of forced vortex flow and little free vortex flow.

通过研究看出，卧式旋风筒内气流流动主要是切向流动，径向流动最小，并且切向速度有较好的分布规律，主要是以强制涡区为主，自由涡区很小；

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In numerical stimulation, stress on produce, progress and dissipation of vortex in the flow field.

在数值模拟中, 着重研究流场中涡的的产生 、 发展、耗散过程.

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Finally, simulate the transient intake process on FIRE and reveals the shape, size and number of vortex flow, swirl flow, and other air flow in the cylinder relations with the crank angle.

最后通过FIRE对进气过程进行瞬态模拟计算并揭示了缸内涡流、滚流等气流在缸内的形状、大小和数目随曲轴转角的变化关系。

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However, for little submergence the flow separates at aft-dome and a weak vortex forms in cavity.

而潜入深度小的喷管,分离点会后移至后封头上,在背壁区后部形成弱旋涡.

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Lattice Boltzmann simulation of particles moving in a vortex flow

用晶格玻尔兹曼方法研究颗粒在涡流中的运动

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Spiral ( swirling ) flow is a sort of special and regular vortex movement.

螺旋流是湍流中一种特殊的、规则的涡旋运动.

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A field-bus system for intelligent vortex flow-meter is discussed also.

论文还讨论了用于智能涡街流量计的现场总线系统的整体设计。

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The main source of noise is aerodynamic noise which may be divided into three major parts: noise from vortex flow around the train, noise from boundary layer and noise from wake.

主要噪声来源为空气动力性噪声.它可分为3个部分：绕流声、附面层噪声与尾流噪声。

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Research on Intelligent Vortex Flow Accumulating Display System

智能化旋涡流量积算显示系统的研究

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Evolution mechanism for wake type multi-vortex flow over a slender body is studied using numerical simulation.

通过数值模拟绕流过程,揭示了旋成体尾迹涡系的演化机理.

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Study on Vortex Flow Field Using Digital Image Processing Technique

应用数字图象处理技术研究涡流场

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The rotor tip leakage vortex has a stronger influence on the downstream endwall flow than the rotor wake.

同转子尾迹相比，转子叶尖泄漏涡对静子尖区的影响更为明显和深远。

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In this paper an experimental investigation was carried out, and it is proved: no matter whether tip vortex cavitation is visible, narrow band noise peak is connected with the flow near the tip of propeller.

本文用实验证实这种窄带噪声峰与桨叶梢部流动有关，无论梢涡空泡可见与否，都可能出现。

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