风洞

Having spent 600 hours in the wind tunnel, the car is said to have better aerodynamics and improved efficiency.

在花了600小时的风洞，汽车是说有更好的空气动力学性能和提高效率。

Second, the afterbody of the cuboid is modified step by step in 9 models to model flow wake at rear end and...

文中得出了客车外围流场的速度矢量图和压力分布图以及六个气动力系数，并将最终结果与风洞试验结果进行了比较，结果吻合较好。

The effect of the air chamber was also explored preliminarily and it was found that the air chamber affects little on the aerodynamic drag coefficient.

对开式风洞气室的影响也进行了初步探讨，研究表明，气室的存在对气动阻力系数的影响不大。

Li Huizhi, Flow hole investigation of air flow around buildings in city .

李会知。城市建筑风环境的风洞模拟研究。

In this paper, the technique of constant temperature anemometer is usedto study the turbulent boundary layer which is controlled by periodicblow-suction on the wall.

本文应用热线测速技术，对风洞中平板湍流边界层壁面施加周期性抽吸扰动进行实验研究。

To discuss the rule of orientation sensitivity for propeller anemometer, wind tunnel experiment method and numerical simulation method are used to study the change rule of its measured values under different measuring angles.

中文摘要：为探讨叶轮式风速计的方向敏感性规律，采用风洞试验和数值模拟两种方法研究在不同测量角度下叶轮式风速计测量值的变化规律。

An IFA300 thermal anemometry is used to measure the average-velocity distribution in the boundary layer.

在一定的雷诺数范围内，对风洞内壁光滑平板壁面，用此天平仪测量了流体的摩擦应力及摩擦系数。

In this paper, coat is applied to the project of gas pipe flow from west to east. Thetechnique of constant temperature anemometry is used to study the mechanism ofdrag reduction for turbulent boundary layer coated on the surface of wall.

本文为了配合西气东输工程中采用管道壁面涂料减阻技术，应用热线测速技术，对风洞中壁面覆盖减阻涂料的平板湍流边界层进行减阻机理的实验研究。

It is an approximate theoretic method with simular result to the data of wind tunnel test .

该方法是一种近似理论方法，其结果与风洞试验数据很接近。

Both single and double-stable limit cycle flutter states are found in wind-tunnel test. And the conclusion is proofed that the equivalent linearization based on the second order asymptotic solution of KBM method is more accurate than that based on the first order one, which is equivalent to the conventional harmonic balance method.

风洞实验时，吹出了单、双稳定极限环颤振情形，并验证了基于KBM二次渐近解的当量线化分析比KBM法一次渐近解的当量线化分析要精确一些的结论。

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％。