查询词典 vortex sheet

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。

A tornado is accompanied by a high-speed rotation of the funnel cloud, in strong wind vortex.

龙卷风是一种伴随着高速旋转的漏斗状云柱的强风涡旋。

Tornado is a strong, small-scale air vortex is extremely unstable weather from the air campaign have strong convection, clouds from thunderstorms stretching to the ground at the end of the funnel cloud have a strong whirlwind, Its wind up 12 more, up to 100 meters per second over, the general with thunderstorms, sometimes accompanied by hail.

什么是龙卷风？龙卷风是一种强烈的、小范围的空气涡旋，是在极不稳定天气下由空气强烈对流运动而产生的，由雷暴云底伸展至地面的漏斗状云产生的强烈的旋风，其风力可达12级以上，最大可达100米每秒以上，一般伴有雷雨，有时也伴有冰雹。

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。

Moments later, a significant portion of both fleets were suddenly drawn from orbit into a vast gravity vortex that was powerful enough to crush the countless ships into the planet's crust and fracture Malachor V to its very core.

片刻之后，双方的大部分舰队都突然从轨道上，被拉入巨大的引力漩涡中，漩涡强大到足以将无数飞船挤入行星外壳，并将马拉卓5号星撕裂，直至其内核深处。

In the center of the cyclone, the vortex are energetic and have low frequency and high spectrum.

在分离器的中心区域，频率低，谱值较高，属含能涡区。

The Doppler radar radial velocity field near a tropical cyclone center,which has characteristic of approximately axisymmetric distribution or Rankine vortex,has a particular dipole pattern distribution feature.

对于近似轴对称与类似兰金涡旋特性的台风近中心环流而言，其多普勒雷达径向速度场具有相当特殊的偶极型态分布特征。

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。

A strange and mysterious deep sea creature.

一种奇异、神秘的深海生物。

It's a yellow rectangle .

这是黄色的长方形。