查询词典 aerodynamics

Meanwhile , numerical computation of aerodynamics is widely applied with the progress of computer , large quantities of relative paper has been presented . but at present , the relative literature about turbulence characteristics of plural vehicles running in row and passing maneuvers is very limited . pointing to the above difficulty , in this paper , numerical computation of turbulent - velocity field is studied while a sedan exceeding a tractor - trailer truck

本论文在对某国产轿车单车外流场的模拟地面边界层、车轮转动和侧向风载荷研究基础上，以及两辆轿车并列行驶、同向超车的稳态研究的基础上，选取了两种笛卡尔网格方案和四面体混合网格方案，开展某国产轿车超过某大型运输车的数值模拟研究。

By combining the theory of aerodynamics with water hammer equation and wave equation of surge tank a mathematical model for this type of surge tank is established.

为研究制气式调压室的运行机制，运用空气动力学原理，结合管道水锤方程、调压室波动方程，建立了制气式调压室的仿真数学模型。

"The shape of the 9X is right for a car of this size, and the longer roof line helps the aerodynamics as well as providing more rear headroom and interior space."

&形状的9X的是正确的汽车这种规模的，长远的屋顶路线，有利于空气动力学，以及提供更多的后方余量和室内空间&。

Other new features for the car will include heavy use of lightweight carbon-fiber materials and active aerodynamics - surfaces that react to what the car is doing, and how fast it's doing it.

其他新功能的汽车将包括大量使用轻质碳纤维材料和积极的空气动力学-表面反应的车是什么做的时候，以及如何快速它这样做。

The effect of Gurney flap on double delta wing aerodynamics was conducted in low speed wind tunnel,the experimental results indicated that Gurney flap can promote the model s lift coefficient,maximum lift coefficient and lift-to-drag ratio at middle to high lift coefficient.

通过低速风洞实验研究了Gurney襟翼对双三角翼气动特性的影响，结果表明Gurney襟翼可以提高双三角翼的升力系数、最大升力系数以及中高升力系数情况下的升阻比。

His theories helped the development of surface-to-surface missiles and space rockets in the US, and he made outstanding contributions in aerodynamics and guidance-systems for missile and spacecraft.

他的理论帮助美国研制了地对地导弹和宇宙火箭，而且，他在导弹和宇宙飞船空气动力学和导航系统方面作出了杰出的贡献3。

It weighs less than the stock car and its aerodynamics have been improved to create plenty of downforce for better handling.

它的重量小于库存车，其空气动力学性能得到改善，以创造足够的下压力，更好地处理。

By the fullscale test of unsteady-flow fire in tunnel, applying aerodynamics of one-dimensional compressible unsteady-flow the relation between thermal power and thermal resistance in burning zone was analyzed, and its calculational methods were discussed. It is shown that besides heating swell, resistance and...

无论平巷或斜巷的燃烧，燃烧区的热动力势是最强的，其变化梯度为3～6Pa/m，压力最低点位于燃烧区的出口；热动力的概念把巷道一般流动损失、火区流动损失和火风压完全统一起来了，解决了实际巷道火灾燃烧区热力计算的困难，使火灾时期的风网解算更符合实际。

The power coefficient expression of tip-speed ratio and pitch angle was deduced according to wind turbine aerodynamics.

风轮机的空气动力特性决定发电机的控制指标和控制方式，是研究风力发电系统必须面对的问题。

From the point of improving operating reliability of wind turbine, the researches on widely developing aerodynamics, structural dynamics, micrometeorology and its coupling problems are pointed out and a new point of view of increasing operating parameter measurement and data analysis is carried out.

从提高风力机运行可靠性的视点出发，提出了应广泛开展关于风力机的空气动力学、结构动力学、微气象学研究及其耦合问题研究，加大风力机运行参数测试与数据分析研究的新看法。关键词：风力机；结构动力学；空气动力学；系统稳定性

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。