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The flow field of a large storage yard with windbreak was investigated in the wind tunnel under three dominant wind directions.

以某钢铁集团即将建设的大型堆料场为背景，运用平面风速传感器和丝线流动显示方法对料场防风网的作用效果进行了评估，得到了料场在3个主导风向下的基本流动形态。

The shape coefficient of the two-circuit UHV steel tube transmission tower is obtained by the three-component-force test; and after the resonance response in the results of the HFFB test of the semi-rigid model of the lattice type tower is filtered, the foundation moment spectrum in the along-, cross-wind and torsion direction un der different wind angles is fitted to formulation.

由静力三分力风洞试验得到钢管输电塔的体型系数；对输电塔半刚性模型的HFFB试验结果进行处理，去除了基底弯矩谱中共振响应的影响，并对处理后的弯矩谱进行拟合，得到各风向角下的顺风向、横风向及扭转向的基底弯矩谱公式。

The traditional wind turbines using two-bladed wind rotors are being replaced with larger more modern turbines using 3 bladed rotors.

最传统的两扇叶风车，现已被较先进的三扇叶风车所取替。

The semi-rigid wake model and the present calculation method were used to study two wind turbines in the wind tunnel, it was concluded that the results were closer to experiment data than that from the element/momentum theory, and aerodynamic performance of HAWT can be analyzed precisely, in particular, in the range of high tip speed ratio.

对两个风洞中实验的风力机模型进行了计算，结果表明，利用所给出的模型和计算方法比叶素/动量理论更加接近实验数据，并且在较大尖速比范围内可精确地分析水平轴风力机的空气动力特性。

Finally, an example involving simulation of the longitudinal turbulent wind field of a 1.25 MW three-bladed pitch regulated wind turbine system was investigated.

最后，结合典型的1.25 MW三桨叶变桨距风力发电机组进行纵向风速场数值仿真。

These three-bladed wind turbines are operated "upwind," with the blades facing into the wind.

三叶片式风力发电机迎风运行，叶片面朝来风方向。

The FAST (Fatigue, Aerodynamic, Structures and Turbulence) Code was applied to predict loading to a 1.5 MW three-bladed upwind horizontal-axis wind turbine. The output of FAST code containing the specified wind turbine geometric and loading information was transferred to the ADAMS program for turbine blade motion analysis and its structural modal and deformation analysis.

在系统运动模拟部分，用FAST建构出一个1.5MW、3个片、上风式、水平轴式的风，然后将模型转入ADAMS机构模拟软体中进分析与运动模拟，再将FAST和ADAMS分析的结果分别以三种风运转的况个别讨其风转速、转子扭矩、发电机发电，比较后有相当错的结果。

Good agreement was obtained between the computed results and wind-tunnel test results of the single house, and the variation trend of wind pressures on the surface of low-rise building under interference of the other house is discussed.

在单体计算结果和风洞试验结果有较好吻合的前提下，获得了有相邻建筑干扰的情况下，低层四坡屋面房屋的表面风压的变化规律，结论可直接供工程设计参考。

Through distancing to the tunneling working surface auxiliary fan switch and the wind electricity closed-cycle control switch too far,the wind electricity closed-cycle control does not play the role question to carry on the analysis.

主要通过对掘进工作面局扇开关与风电闭锁开关相距太远，风电闭锁不起作用的问题进行分析，巧用猴车电控箱实现远距离风电闭锁，从而保证远距离风电闭锁能可靠工作，实现安全生产。

The wind tunnel test results show that surface soil velocity and wind erosion modulus in the farmland under plow tillage are larger than that under no-tillage with standing crop stubble, while surface roughness under plow tillage is smaller than that under no-tillage with standing crop stubble.

风洞试验研究表明：翻耕土壤地表风速、土壤风蚀侵蚀率均比免耕土壤高，而地表粗糙度免耕明显高于翻耕。

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％。