查询词典 delta wing

Numerical investigation of the effects of different leading-edge profile s on vortical flows over a double-delta wing

计算模型包括尖前缘、菱形前缘、圆形前缘等三种不同前缘形状的机翼。

In this paper, The delta wing of Mach number 0.8 at an attack angle of 21. 8 degree is simulated by our program. Then, using the visualizing program, we map the figures of space streamlines, cross streamlines near the vortex axis, three dimensional vortex lines, cloud atlas for pressure and vortex and targer of particles.

在这一章里，我们先用所建立的计算软件数值模拟了来流马赫数为0.8、攻角为21.8°的三角翼的流场，之后以拓扑分析结果做指导，研制了一套数值显示流场、旋涡结构的软件，用该软件我们绘制了跨音速三角翼背风区涡轴附近截面流线、空间流线、三维涡量线、压力和涡量云图以及粒子屏痕图。

The 1980s saw a number of similar aircraft designs featuring a main delta-wing and canards.

在上世纪八十年代，我们可以看到许多飞机的设计特点是采用了三角型主翼和一对鸭式前翼。

1980S saw a number of similar aircraft designs featuring a main delta-wing and canards. Some

二十世纪八十年代许多飞机设计款式都雷同，样子大都是三角翼和CANARDS式的。

The J-10 features a simple delta wing with relatively large movable canards.

歼十的特点是纯三角翼加相对较大的可动式鸭翼。

The early Sukhoi S-37 configuration featuring canards and a compound delta wing

苏霍伊公司最初的S-37采用的是鸭翼加复合三角翼。

The cross section topological structures of leading edge vortex over a delta wing in process of vortex breakdown evolution is investigated numerically.

研究了低速流中三角翼背风面涡破裂演化过程中前缘涡的横截面拓扑结构。

This paper deals with the numerical solution of the Euler equation for airfoils using approximate boundary conditions and the effects dorsal fin on vortex over delta wing at high angles of attack.

本文研究了Euler方程的高效数值方法及背鳍对三角翼大迎角脱体涡的影响问题。

Delta wing ; vortex method ; detached vortex ; vortex sheet.

三角翼；涡方法；脱体涡；涡层

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。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。