aerodynamic lift

The sails , when correctly adjusted , will generate aerodynamic lift .

帆时，正确地调整，将产生气动升力。

In order to keep the flying speed , produce certain aerodynamic lift , the birds overcome the air resistance with three kinds of methods .

为了保持飞行速度，产生一定的气动升力，鸟类用三种办法来克服空气阻力。

At the rear , a carbon fibre'sharks tooth'rear vortex generator helps to reduce aerodynamic lift .

在后方，一个碳纤维的鲨鱼的牙齿的后方能降低空气涡流发生器的电梯。

And the total aerodynamic lift of the three cars of the protruding longitudinal profile is greater than that of the concave .

就整车升力而言，纵剖面轮廓线上凸的气动升力大于下凹的。

The lack of legs , and the angle of the wings has lent to speculation about the design 's capability of aerodynamic lift .

足部的缺失以及双翼的角度不禁让人对这种设计的空气动力升力产生猜测。

The investigation illustrated that the aerodynamic lift and pitching moment of wing can be predicted accurately by CFD based on RANS approach with comparison to model tests .

结果表明与模型试验数据相比，基于RANS方程的CFD方法能够准确预报机翼的气动升力和力矩。

Three seconds later , a stall-warning activated in the cockpit , indicating the jet was losing aerodynamic lift , Ms. Hersman said .

赫斯曼说，三秒钟后，驾驶舱内的一个失速警告系统启动，显示飞机正在失去气动升力。

The main conclusion is that iced conductor can be galloping when the initial slop of curve of aerodynamic lift is negative and its absolute value is large enough ;

多分辨率曲线经研究发现：气动升力曲线初始斜率为负且其绝对值足够大时，结冰导线可能发生舞动；

Rear spoiler not only makes the automobile the aerodynamic lift to reduce , but also can effectively reduce the resistance and availably lower the resistance that car be subjected to .

后扰流板不仅可以使汽车的气动升力得到降低，还能有效地降低汽车所受阻力。

Because the gravity of the fuselage , obstruction and rotating the aerodynamic lift on the blade wheel , pneumatic pulling force needs transmitting through the crossbeam .

由于机身的重力、阻力和旋转叶片轮上的气动升力，气动拉力都需要通过横梁传递。

The aerodynamic drag and lift of javelin increase with angle of attack .

标枪的气动阻力、升力随迎角增加而增加。

The change rules of aerodynamic parameters including lift coefficient , drag coefficient and pitch moment coefficient have been analyzed when angle of attack and fuel flow rate is changed .

考虑了不同飞行攻角、不同燃料流率下气动参数，包括升力系数、阻力系数和俯仰力矩系数的变化规律。

The aerodynamic drag , lift and pitching moment of the maglev train increase with the train speed . However , the magnitude of the increase varies with different calculation models .

随着车速的提高，气动阻力、升力和俯仰力矩均有较大幅度提高，不同的计算模型其提高幅度是不一样的。

Characteristics of wakes have great effects on the aerodynamic drag and lift of sedans . It is noticeable that the flow around the basic body shape is complicated by the presence of the rotating wheels .

尾流场特性与车辆的气动阻力和气动升力密切相关，而基本形体周围的流动特性由于旋转车轮的存在变得非常复杂。

Then unstructured grids of two dimensional seat is constructed by the advancing front method , Euler equations are solved and aerodynamic damp , lift and moment coefficients of the seat are calculated at certain attack angles and Mach numbers .

然后用推进阵面法建立了人-椅系统平面模型的非结构网格，并用Euler方程作为主控方程对某型座椅的气动阻力系数、升力系数和气动力矩系数进行了验证性计算；

Results show that oscillating excitation adding at the surface of the airfoil can improve aerodynamic performance thus increase lift force of airfoil .

结果表明在深失速条件下，翼型头部附加的振荡扰流在一定的频率和振幅时能够显著改善翼型的气动性能，提高翼型的升力。

Choosing typical three element airfoil and based on numerical simulation method , the feasibility of MINI-TED to improve aerodynamic performance of high lift system is studied .

以典型三段翼型为对象，采用数值模拟方法，研究了在襟翼上增加微型后缘装置提高增升装置效率的可行性；

The aerodynamic drag of the middle car varies within a small range , the aerodynamic lift of the rear car is greater than that of the front one ;

中间车阻力变化不大，尾车升力大于头车；

To reduce aerodynamic drag and air pressure pulse of two trains meeting each other , and to increase aerodynamic lift , three streamline frontal shapes of high-speed maglev vehicle were designed according to the given section of train .

为了降低列车交会空气压力波、减小空气阻力、使列车具有正的气动升力，根据给定的列车横断面，设计3种磁浮列车流线型头部外形。

Besides considering aerodynamic drag , the aerodynamic configuration design of high speed train also should consider the impact of the aerodynamic lift , lateral force and torque on running smooth performance and stability .

列车外形的气动设计除考虑空气阻力以外，还要考虑升力、横向力和转动力矩对列车运行平稳性和稳定性的影响。