查询词典 vortex

N this paper.a method for calculating the natural frequency and eigenmode of power turbine's tower.the wind effect and displacement response of the tower along wind direction. and the wind effect and displacement response produced by the tail vortex across wind direction is introduced. The response caused by wind turbine's rotation is discussed.

阐述了风力机塔架的固有频率和固有振型、顺风向下塔架的风效应和位移响应、横风向塔架在尾涡激励下的风效应和位移响应以及由风轮旋转而引起的位移响应。

Compressing air expands in nozzle, and then enters into vortex tube in the tangent line direction.

工作时压缩气体在喷嘴内膨胀，然后以很高的速度沿切线方向进入涡流管。

A circular vortex ring of about one mile in diameter extends down through what would otherwise be water and into an opening into Telos and the Agartha Network.

一个直径约一英里的圆形涡环向下延伸，要不然水会进入Telos和Agartha 网格。

In this paper, a method of entropy has been used to investigate vortex tube, throttle valve and expansion turbine.

本文利用熵法对涡流管、透平膨胀机及节流阀三种装置进行了研究。

It is pointed out for the first time, that if in the Chern-Simons field theory the vortex lines are knots, the Chern-Simons action itself is a topological invariant; a step further, this action is just the total sum of all the self-linking and linking numbers of knot family.

文中首次指出，当陈-Simons场论中的涡旋线是纽结时，陈-Simons作用量本身是一个拓扑不变量，并进而指出这一作用量恰是纽结族的所有Self-Linking数和Linking数之和。

The hydraulic characteristics of transverse axis vortex behind the sill of the dissipater are studied with the hydraulic test.

通过水力学试验方法，对跌坎式底流消能工坎后横轴漩涡的水力特性进行了初步研究。

Experiments were performed in horizontal and vertical conduits with diameter of 50 mm respectively, adopting air and water as flow media and a triangular prism as the vortex-forming body.

以空气和水为介质，以三角柱为旋涡发生体，在内径为50mm的水平管和垂直上升管中分别进行实验，分析雷诺数和体积含气率对气液两相流涡街稳定性的影响。

Therefore, only elimination of reflux and the vortex, so that uniform distribution of flow velocity in order to ensure the normal operation of pump unit.

因此只有消除回流和漩涡，使水流速度均匀分布，才能保证水泵机组的正常运行。

We analyze a singly-quantized vortex in a spin-polarized Fermi gas at unitarity, based on a mean-field approach.

通过应用平均场的方法，从理论上研究了强相互作用极化费米气中单个涡旋态的结构。

The numerical solution shows that the optimal velocity field for laminar convective heat transfer in tubes is multi-longitudinal vortex flow.

数值求解表明，管内层流对流换热的最优速度场为多纵向涡流态。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。