The drag coefficient can be reduced about 19 percent in the single design-point for wing drag design.
对于单目标机翼阻力优化设计,阻力系数减少了19%左右。
Both together will have a very small drag decrease in cruise as the wing drag is only a part of the total airplane drag (and my STOL designs are not very "clean"), and the stall speed will be higher.
双方共同努力将有一个非常小的阻力减少,在邮轮作为机翼阻力只是一个部分的总飞机拖曳(和我的stol设计是不是很“干净”),以及该档位的速度会更高。
Its low sweep wing reduces drag and weight; the embedded engines sit aft of the wings.
它低水平的扫翼能够减少阻力和重量;嵌入式引擎安置在在扫翼的尾部。
The aerofoil of a wing creates more lift than drag, but exactly how much depends on its design and the speed of the air passing over it.
飞机上的机翼制造升力超过阻力,但具体取决于机翼的设计和当时经过的空气流动速率。
Vibrating in the wind, the bristles create some drag. But they also reduce the wing's slipstream, an area of low-pressure turbulence that pulls back on the wing, and hence reduce drag.
风中振动时,刷毛会产生反作用力,但同时它也可以减少机翼滑流,产生一个低气压乱流,机翼上形成回力,因而减小阻力。
A new study says that within three years jumbo jet-makers could be testing a new type of wing that reduces midair drag and cuts fuel costs by an estimated 20 percent.
一项新的研究预计,在未来3年内大型喷气客机的制造商们将能测试一种新型机翼,这种机翼能降低飞行阻力并削减20%的燃油消耗。
When the shape of a wing creates more lift from the air passing around it than it does drag (air resistance), an aircraft will fly.
当鱼鳍的形状通过流动的空气产生比其(空气)阻力更多的升力时,飞行物便能飞翔。
Once the ice is dislodged, gravity or air-drag force such as on an airplane wing do the rest.
一旦接合部分被融化了,剩下的事情就可以交由重力或空气摩擦力(如在飞机的机翼上的空气摩擦力)来完成。
This also optimizes wing shape and reduces the potential need for bulging aerodynamic surfaces, which in turn reduces drag and increases airplane performance.
这些优势有助于优化大翼外形并减少气动凸表,从而减小阻力并提高飞机的性能。
The more swept-back the wing Angle, the less the drag and the better for flight approaching supersonic speed.
越是掠翼角,少的阻力和为接近超音速飞行更好。
Again previously teams have sought to use the wing stalling to gain top speed (from the reduced drag).
之前各车队都在探索如何利用尾翼失速来减小阻力,增加赛车的最高时速。
The wing sails with 3.1 percentage of essential wing area have observable efficiency in reducing induced drag. The factors of the induced drag were reduced by 20 percent.
总面积为3.1%基本翼面积的翼尖帆片对减少诱导阻力具有明显效果,诱导阻力因子减小20%左右。
His right wing barely moves, however, and when he walks, the wing feathers drag on the ground.
然而,它的右翅膀几乎不会动,而且它走路时,翅膀上的羽毛拖在地上。
Tip vortex goes downstream outward along the span direction, and the induced drag of the wing decreases.
翼尖涡沿着展向方向向外移动,机翼诱导阻力减小。
In the second design step, improvement of wing's aerodynamic characteristic is mainly depended on the weakening of shock which reduces wave drag during the wing section optimization.
在平面形状优化基础上,在机翼容积不变约束下,再采用剖面翼型优化设计,通过机翼剖面细微变化弱化较大马赫数下的激波、减小激波阻力。
The need for grip outweighs drag, so we put on every square centimetre of wing we can.
在这里抓地力的需求如此重要,以至于我们利用了每一平方厘米。
The high-aspect-ratio flying wing eliminates vertical tail and conventional rudder, and uses instead a split drag rudder with large deflection as its directional control surface.
大展弦比飞翼布局飞机取消了垂尾和常规方向舵,通常采用大偏角的开裂式方向舵作为偏航操纵面。
The lifting-body shape of the wing-body combination has become the main design direction of the hypersonic vehicle due to its internal loading and lift-drag characteristics.
翼身组合的升力体外形由于兼顾内部装填以及升阻特性成为了目前高速飞行器主要的设计方向。
This efficiency is due largely to the innovative design of the low-drag wing. This design includes leading-edge slats, double-slotted Fowler flaps, and high-Mach blended winglets.
如此卓著的效率应当归功于低阻机翼、前缘缝翼和双开缝襟翼,以及高马赫混合式翼梢小翼。
The lift-drag ratio of a typical bat's wing is about 6.8, comparable to that of a pigeon.
电梯拖动的比例,一个典型的蝙蝠的翅膀是约6.8相比,这一个鸽。
The joined-wing configuration, as compared with the normal configuration, is characterized by low structural weight, small induced drag, big lift coefficient and good stability.
联结翼布局与常规布局相比具有结构重量轻、诱导阻力小、升力系数大和稳定性良好的特点。
The joined-wing configuration, as compared with the normal configuration, is characterized by low structural weight, small induced drag, big lift coefficient and good stability.
联结翼布局与常规布局相比具有结构重量轻、诱导阻力小、升力系数大和稳定性良好的特点。
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