查询词典 vortex flow

First, the mechanism of local head loss is clarified from the theory of plane flow and vortex; and the relationship between local head loss coefficient and barrier-discharge of pile permeable groins is derived.

首先，应用平面绕流与旋涡理论阐明其局部水头损失的机理，导出了桩柱透水丁坝局部水头损失系数与阻水流量的关系式。

Two-phase flow ; miking layer ; discrete vortex method ; stokes number

两相流；混合层；离散涡方法； Stokes数

Furthermore, as the oscillating frequency of the cylinder approach the natural vortex shedding frequency, because of the phenomenon of resonance in the channel flow, and the heat transfer rate is enhanced more remarkably.

此外，当圆柱振动的频率接近流场的自然振动频率时，会与管道内的流体产生共振的现象，此现象能够大幅的增加流体的扰动，并且扰乱管道内的流场以及温度场，产生较佳的热传增益。

Tandem bluff bodies.It is found that:（1）occurrence of the self-excited flow between two tandem bluff bodies depend strongly upon:the Reynolds number, the streamwise spacing between two tandem bluff bodies, the vortex formation length of the single upstream bluff body, and the characteristic length of the downstream bluff body.

本实验结果显示：（1）双钝体间具有自激式振荡的流场特性归纳如下：雷诺数、双钝体间的纵向间距、上游钝体的涡漩形成长度、下游钝体相对之特徵尺寸等均是影响双钝体间自激式振荡特性的重要参数。

For the cotton and wool textile industry to provide a full flow of the various skin Paper roll combination of rolls and pieces, matching the combing machine, as amended, and vol United machine, and machine, roving machine, spinning machine, air spinning and air-jet spinning, vortex spinning and other textile equipment.

济南英联贝克机械设备有限公司可为棉纺及毛纺工业提供全流程的各种皮辊及皮辊结合件，配套在精梳机，条并卷联合机，并条机，粗纱机，细纱机，气流纺及喷气纺，涡流纺等纺机设备上。

The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.

但在实际中，许多工业设备是在气液两相流横掠柱体工况下工作，由于两相绕流问题的复杂性，目前这方面的研究还很少。

While the stable viscous incompressible flow cross through a single circular cylinder, it always result in the separated streaming and unsteady vortex streaming generated behind the circular cylinder.

当均匀稳态不可压缩黏性流体通过单一圆柱时，常在圆柱两侧产生分离流动，并在后方形成非稳态尾流。

The structure, flow field distribution and the dust separating procedures of inner speeding vortex cyclone collector are very different from that of traditional cyclone dust collectors.

混流区和中心旋流区是内旋流加速旋风集尘器的主要特征之一。

The result clearly reappearances vortex movement at the part load condition and flow field and pressure distribution in the draft tube under different conditions,which were much more rational and similar to practical experiment results,and which assure that the inlet velocity model is very close to the authenticity.

计算结果后处理清晰再现了小流量工况尾水管涡带的运动形式和三种工况下尾水管内部的流场和压力分布，情况和实际符合较好，验证了所建立的进口速度模型的逼近真实性。

The company has independently developed, development, production of the products have six series, more than 400 varieties, including: wire and cable series: high-temperature compensation wire, control cables, fire-retardant cables, anti-corrosion cable, power cable, 6 ~ 110KV crosslinked power cables, computer cables, silicon rubber cables, high temperature cables, fire-resistant cables, low smoke low halogen, low smoke zero halogen cables, such as the main cable tray; Temperature Instrument Series: ITS900 in line with the International Temperature Scale and IEC standards A, B-grade Thermocouple , Explosion-proof Temperature Transmitter integration, intelligent all-input temperature transmitter; Pressure / Differential Pressure Meter Series: general pressure gauges, precision pressure gauges, pressure / differential pressure switch, the general stress / Differential Pressure Transmitter, 1151 , 3051 smart capacitive pressure / differential pressure transmitter; Level Instrument Series: glass / glass level gauge, quartz glass tube liquid level, the electric-contact level gauge, magnetic liquid level transmitter, magnetic liquid level switch, input-type hydrostatic liquid level transmitter, liquid level transmitter float electricity, etc.; Flow Meters Series: All English Intelligent Vortex Flowmeter, Turbine Flowmeter; Display Instrument Series: Intelligent Control LED digital display device, Intelligent LCD screen controlled device, Guangzhu instructions figures, such as conditioning Alarm.

公司自主研制、开发、生产的产品主要有六大系列、400多个品种，其中有：电线电缆系列：高温补偿导线、控制电缆、阻燃电缆、防腐电缆、电力电缆、6～110KV交联电力电缆、计算机电缆、硅橡胶电缆、高温电缆、耐火电缆、低烟低卤、低烟无卤电缆主电缆桥架等；温度仪表系列：符合ITS900国际温标和IEC标准的A、B级热电偶，防爆型一体化温度变送器、智能全输入温度变送器；压力/差压仪表系列：一般压力表、精密压力表、压力/差压开关、普通压力/差压变送器，1151、3051智能电容式压力/差压变送器；液位仪表系列：玻璃管/玻璃板液位计、石英玻璃管液位计、电接点液位计、磁性液位变送器、磁性液位开关、投入式静压液位变送器、电浮筒液位变送器等；流量仪表系列：全中文智能涡街流量计、涡轮流量计；显示仪表系列：智能LED数字显示调节控制仪、智能LCD界面显示调节控制仪、光柱指示数字显示调节报警仪等。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。