In this paper, an approximate method is presented to compute low-speed aerodynamic characteristics of high-middle aspect ratio and low sweep Angle wing with separation.
本文介绍一种计算带分离的大中层弦比、小后掠角机翼低速气动特性的近似方法。
Based on the principle of flight of fan wing aircraft, realizing methods of VTOL are preposed by changing the Angle of attack and increasing chord length of the tail.
基于扇翼机的飞行原理,提出通过改变攻角以及增加尾部升力面弦长的方式提高气动效率,进而实现垂直升降的方法。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
研究了在大迎角下,后掠翼对细长体绕流结构和气动力特性的影响。
A simple nonlinear wing theory for the low-aspect-ratio rectangular flat plate with large Angle of attack in incompressible flow is developed.
本文系对不可压缩流体中大冲角小展弦比矩形平板机翼提出—个简单的非线性理论。
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。
ANGLE OF INCIDENCE, The acute angle which the wing chord makes with the longitudinal axis of the aircraft.
安装角, 飞机的纵轴与机翼弦线所形成的锐角。
Angle of ATTACK, the Angle of the wing chord in relation to the free stream airflow as it moves forward through the air.
迎角,机翼翼弦在空气中向前运动时与自由气流之间的夹角。
The results indicate that it is more favorable for the aerodynamic characteristics to equip a higher close canard wing together with forward-swept Angle of main wing increasing.
实验结果表明:随着主机翼前掠角的增大,近距鸭翼布置高度逐渐增加可获得较好的气动特性。
For the aircraft with moderate swept wing, the main reasons of causing wing rock are the variations of roll damping moment with the Angle of attack and the sideslip Angle.
对具有中等后掠角机翼的飞机,产生机翼摇晃的主要原因是滚转阻尼力矩随迎角和侧滑角的变化。
The effect of starting Angle of wing rock on the vortex behaviour was considerable.
还发现翼摇滚起始角对旋涡特性有较大影响。
Experiment results indicate that the flexible wing has a larger angle of stall and a greater maximum lift coefficient than the fixed wing.
对比结果表明:柔性翼相比于对应的刚性翼,失速迎角较大;
The torsion reduces the effectual attack angle of the elastic sweep wing.
有效迎角的减小又使得弹性机翼的有效气动力载荷减小。
The manganese fork properly extends a wing rail to reduce an impact angle in order to enhance the train speed.
锰叉将翼轨适当延长以减小其冲击角,提高车速。
In flight, the Angle of attack can only be adjusted to a small degree, as the wing is highly pliable and subject to collapse.
在飞行时,当伞翼变的极度容易折湾及崩溃时,攻角只能被调整至一个非常小的角度。
The effects of flapping frequency, wind velocity, Angle of attack, plane shape of wing and cambered aerofoil are investigated.
试验中进行了扑动频率、风速、迎角、机翼平面形状、翼型弯度对机翼气动特性影响的研究。
The angle-dependent characteristic of electromagnetic(EM) scattering from photonic crystal with the microstructure of morpho butterfly′s wing is investigated.
应用数值方法对特殊光子晶体-蓝蝴蝶翅膀微结构的光学散射角偏特性进行了深入研究。
In factor 2, mainly representing wing venation angle variation, the honeybees' wing venation angles of Dongdai and Zhangyongxin2 group were biggest and Senlin Park group was smallest.
第二主成分体现了蜜蜂翅脉角的大小,东岱和张用新2的蜜蜂翅脉角最大,森林公园的蜜蜂翅脉角最小。
The aerodynamic characteristics of the free wing are investigated in this paper. The wind tunnel test results shows that the control of the angle of attack of the fre…
通过风洞试验,对带升降副翼控制的自由翼气动特性也进行了实验研究,验证了位于自由翼后缘的升降副翼可有效地控制自由翼相对气流的平衡迎角。
A numerical method to obtain a complete solution of the dynamic response of a variable sweep wing aircraft in the course of changing the angle of sweep is presented in this paper.
本文提出了一套完整的变后掠飞机在变后掠过程中从气动力直至航迹计算的数值求解方法。
The wing fuselage join angle, critical for side aspect stealth, is very similar to the F-22 and superior to the Russian T-50 PAK-FA prototypes and the F-35 Joint Strike Fighter.
机翼机身连接的角度,侧隐形关键环节,是非常相似的F - 22和优于俄罗斯的T - 50百发原型和F - 35联合攻击战斗机。
In this paper wing had wing-blade and wing hadn't wing-blade applied for wind tunnel tests at different attack Angle and velocity.
文中进行了带翼刀机翼和不带翼刀机翼在不同迎角和风速下的风洞吹风试验。
When flapping-wing flight at small attack Angle, wing had wing-blade improve effectively aerodynamic characteristic of flapping-wing.
当扑翼在小迎角飞行时,机翼带翼刀可以有效地改善扑翼的气动特性。
When flapping-wing flight at small attack Angle, wing had wing-blade improve effectively aerodynamic characteristic of flapping-wing.
当扑翼在小迎角飞行时,机翼带翼刀可以有效地改善扑翼的气动特性。
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