当一个扰流片扬起的时候,另一边的机翼就会下降。
着重探讨了来流攻角和扰流片高度对过冲量的影响。
As a primary purpose, the effect of Angle of attack and height of spoiler on the unsteady flows are investigated.
所述内管是光管、螺纹管、内肋管或带有扰流片的管子。
The inner tube is a light tube, a screw tube, an inner rib tube or a tube with a spoiler.
本文介绍用涡面元法模拟带扰流片的翼型低速无粘分离绕流。
A vortex panel method is presented to simulate low speed inviscid separated flow past an airfoil with a spoiler.
当两边的扰流片都扬起时,升力就会下降,阻力增加,飞机下降。
When both are raised, overall lift fall and drag increases, so the aircraft descends.
底部间隙对各种扰流片引起的壁面压力分布的影响趋势完全相似。
The influences of gap with different height on pressure distribution are in the same manner.
副翼比旧式喷气机上的要小,装载机翼顶部的扰流片可以辅助副翼。
Ailerons are smaller than on the older jets, and they are aided by spoilers mounted on the tops of the wing.
从非定常流场计算出发系统的研究了嗡鸣发生的机理以及扰流片对嗡鸣起抑制作用的机理;
Through solving the unsteady flow fields of an airfoil-flap, the mechanism of buzz is intensively studied.
在风洞用电子扫描阀进行测压 ,研究了绕平板扰流片和锯齿扰流片分离流动的壁面压力分布 。
Wall pressure distribution induced by the saw-tooth flap has been investigated with electronic pressure scanner in wind tunnel.
通过测量固体火箭发动机水下工作过程中的推力和侧向力,研究了扰流片和摆喷管两种推力矢量方式的水下推力矢量特性。
By measuring the thrust and lateral forces of solid rocket motor during firing conditions, the thrust vector control performances of jet TAB TVC and movable nozzle TVC were studied.
底部相对间隙在08~ 2 0之间时,扰流片高度小于边界层厚度时的壁面平均压力比扰流片高度大于边界层厚度时小30 %左右。
When the relative gap height (the ratio of flap height to gap width) is in the range of 0 8-2 0, the mean pressure will reduced 30% if the flap height is smaller than the thickness of boundary layer.
采用有限差分数值分析方法,应用温度逐次更新处理技术对不同扰流孔下的椭圆管矩形翅片的肋效率进行计算。
The FDM numerical analytic method is applied to calculate the fin efficiency of elliptic tube with rectangular fins on which the disturbing holes were dug by using additional source term technique.
结果表明,采用当量椭圆简化矩形翅片使肋效率偏高,增加扰流孔则导致肋效率下降。
It shows that the calculation by applying equivalent ellipse will produce a value of fin efficiency on the high side and the fin efficiency decreases with the increase of disturbing flow holes.
以及多个导流片,设置于该基座与该外框之间,其中该导流片具有一第一曲面和一第二曲面,以大幅降低扰流噪音并可提高风压。
Several flow guiders are fixed in between the frame base and the frame. The flow guiders have the first and the second curve surfaces to largely decrease noise and increase wind pressure.
以及多个导流片,设置于该基座与该外框之间,其中该导流片具有一第一曲面和一第二曲面,以大幅降低扰流噪音并可提高风压。
Several flow guiders are fixed in between the frame base and the frame. The flow guiders have the first and the second curve surfaces to largely decrease noise and increase wind pressure.
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