风洞

In addition to wind tunnel testing, transition (between vertical and wing-borne flight) testing was conducted with a novel truck-mounted fixed-wing rotorcraft model (Fig. 7) that was driven up and down Muroc Dry Lake and the Bonneville Salt Flats.

此外 ，风洞试验，过渡（垂直和机翼之间传染飞行）测试是一种新型车载固定翼旋翼机模型（图7 ）这是驱动的向上和向下Muroc干湖（现在的爱德华兹空军基地）和巴纳维亚盐带平地。

Through simulations on abated effect of nylon and plastic nets with different structure on wind-blown sand in wind tunnel, the aim of this paper is to provide a theoretic base for optimized design of blown sand engineering in the field and a new sand-defending material application.

通过不同结构的尼龙网和塑料网对风沙流减弱作用的风洞实验研究，旨在为探求各种防沙新材料的防护功能，并为防沙新材料的开发、野外工程防沙的优化设计及其应用提供理论依据。

Though simulations on abated effect of nylon net with different porosities on wind-blown sand in wind tunnel, the aim of this paper is to research the relationship between sand transporting and nylon net porosity and wind velocity.

通过对不同孔隙度尼龙网对风沙流减弱作用的风洞模拟实验，旨在探求输沙量与孔隙度和风速二者之间的关系，从而为防沙新材料的开发、野外工程防沙的优化设计及其应用提供理论依据。

These wind turbines have wind tunnels on both side of their housing to collect wind energy from both side of traffic.

这些风力涡轮机已风洞对双方他们的房屋，以收集风能，从双方的交通。

Contrast study on numerical simulation of dust prevention effect of wind-break sheet and wind tunnel test ;2. The simulation results show that the results of wind tunnel test agree with those calculated.

采用非结构网格，对强横风下青藏线桥梁上运行的棚车气动性能进行数值模拟，并对部分数值模拟的结果进行风洞实验验证。

It is now common practice to test scale models of bridges in wind tunnels for aerodynamic resistance.

现在的通常作法是按比例缩小的桥梁模型放在风洞里检测它们的空气动力抵抗力。

Bridge engineering ; central-slotted box girder ; wind tunnel test ; flutter performance ; CFD numerical simulation ; flutter control

桥梁工程；中央开槽箱梁；风洞试验；颤振性能； CFD数值模拟；颤振控制

The result of wind tunnel showed the rate of soil erosion increases with the increasing of wind velocity by the power function.

风洞试验的结果表明，风速越大，风蚀越强烈，二者之间表现为幂函数的变化关系，18m／s是风速由轻变重的一个转折点。

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。

Tilt-out rock, covered with three adjacent caves: the left side of Hope caves, the middle is the wind tunnel, Fuxi is the right hole.

岩端倾斜而出，覆盖着三个毗邻的岩洞：左边灵岩洞，中间是风洞，右边是伏羲洞。

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％。