leading edge vortex
英 [ˈliːdɪŋ edʒ ˈvɔːteks]
美 [ˈliːdɪŋ edʒ ˈvɔːrteks]
网络 前缘涡流; 前缘涡
双语例句
- In the study of the second leading edge problem, the displacement effect of vortex sheet from the plane of symmetry is taken into account and thereby the difficulty of overlapping vortex sheet and the lifting surface is overcome.
对于第二前缘问题，考虑了涡面离开流动对称面的位移影响，并由此克服了涡面和物面重叠带来的困难。 - As airfoil thickness is increased, the average pressure drag, affected by leading edge vortex is reduced even to be negative, and meanwhile friction has little increase.
由于前缘涡的影响，翼型厚度增加，平均压差阻力系数变小，甚至会出现负值。 - Flow Visualization of Leading Edge Vortex Breakdown on Delta Wings
俯仰振荡三角翼前缘涡破碎的流动显示 - By using the Baldwin-Lomax turbulent model, the formation of the leading edge separation bubble, as well as the convection of vortex along the airfoil surface and unsteady phenomena of vortex are simulated at high angle of attack.
应用BaldwinLomax湍流二层代数模型模拟了大攻角时前缘分离涡的形成，旋涡对流及其非定常现象。 - An analysis of periodic flow streamlines shows that it is probably due to the effect of leading edge vortex.
通过对沉浮运动一个周期流线图的分析，认为这是翼型前缘涡的影响造成的。 - Keeping the leading edge vortex on the upper wing surface can avoid lift decreasing;
保持前缘涡不脱离翼面有助于减少升力的下降； - The study on the wing leading edge vortex breakdown
翼前缘分离涡破裂研究 - The unstable vortex and vortex breakdown are the main features of unsteady flow near the core of leading edge vortex around a delta wing at high incidence.
三角翼大攻角非定常绕流前缘涡涡轴附近的流动以不稳定涡和涡破裂为主要特征； - Experimental Investigation on the Leading edge Vortex Breakdown and Their Control for Flow over a 60 ° Delta Wing
60°三角翼前缘涡破裂及其控制实验研究 - The computed results are compared and in good agreement with the test results. The results both show that increasing Reynolds number can delay the leading edge vortex separation evidently.
计算结果与试验结果进行了详细的比较，两者都证明雷诺数的增大对钝前缘分离涡的分离有明显的延迟作用。 - However, the deep stall arises from the leading edge separation and the movement of the leading edge vortex and the induced second vortex on the airfoil causes significant change of the aerodynamic coefficients.
而深失速则首先形成很大的前缘分离涡，该分离涡在翼型表面上运动，并诱发出二次分离涡，引起翼型升、阻力系数的显著变化。 - Study on some breakdown forms and characteristics of leading edge vortex over delta wings
三角翼前缘涡破裂形式及特性研究 - This paper also presents analysis of the flow features ahead and behind of the leading edge vortex breakdown and the topological features of section streamlines.
本文还分析了前缘分离涡破裂前后的流动现象和旋涡横截面流线图谱的变化规律。 - The phenomenon of the leading edge vortex breakdown and its effects on the aerodynamic characteristics of the wings;
前缘涡的破裂现象及其对机翼气动力特性的影响； - The effects of coupled motion on the leading edge vortex and aerodynamic character of the wing were analyzed.
分析了耦合运动对前缘分离涡和气动特性的影响，以及不同相位角和不同频率对耦合气动特性的影响。 - With the increase of the vectored angle, the effect of the jet on the flow control becomes stronger, i.e. the jet makes the leading edge vortex breakdown delay in the direction of the vectored jet, and make another leading edge vortex breakdown early.
随着喷流偏转角的增大，喷流对流动控制的作用越来越大，喷流使喷流偏转方向一侧前缘涡破裂位置的延迟量增大，而另一侧前缘涡有提前破裂的趋势。 - Investigations showed that spanwise blowing is a very effective measure for controlling breakdown of leading edge vortex over the wing and improving the aerodynamic characteristics at high angle of attack.
展向吹气对非定常气动特性影响试验研究研究表明展向吹气是控制机翼上旋涡破裂和流动分离的一种十分有效的气动措施。 - Effect of outboard leading edge bluntness of double delta wings on vortex flow characteristics
双三角翼外翼前缘钝化对涡流特性的影响 - In addition, the trailing edge jets may weaken or even eliminate the mixing phenomenon of the leading edge vortex, which is in advantage of the flight control of aircraft.
另外，后缘喷流可以减弱乃至消除前缘涡混掺现象的发生，进而有利于飞行器的操纵。 - The leading edge vortex is observed during a cycle by delayed photography.
采用延迟拍摄方法观察到了一个扑动周期内前缘涡的形成发展过程。 - The change of Reynolds number mainly influences the attack angle range in which leading and trailing edge separated vortex alternately shed. The larger the Reynolds number, the smaller the lift and drag coefficient change caused by the change of Reynolds number.
雷诺数变化主要影响上翼面前后缘出现交替脱落分离涡时的攻角区域，且雷诺数越大，雷诺数变化引起的升阻系数变化越小。 - The leading edge fillet has significant effects on the elimination of the passage vortex.
前缘带倒角叶栅对消除通道涡也有很大作用。