The design of the winglet on the wingtip of a plane is a multifactor design, it is relatively complicated in the design of an aerofoil due to the influence of no lesser parameters.
飞机翼尖小翼设计是一个多因素设计,在机翼设计中比较复杂,影响参数较多。
In the discussion, emphasis is given to the investigation and applications of principle, speciality and design technology for "wing tip sails", "winglet" and "sheared wing tip",which are three typical wing tip devices.
本文综合介绍了机翼翼尖装置的减阻技术研究的新发展，着重讨论了＂翼尖帆片＂、＂小翼＂以及＂剪切翼尖＂三种典型的翼尖装置的减阻原理、特性和设计技术的研究以及应用情况。
A linearized mathematical model of a small scale coaxial helicopter with the Bell-Hiller stabilizer bar is extracted from numerical linearization of a non-linear mathematical model with the help of a small perturbation theory.
运用经典的叶素法和一阶谐波理论,推导了计入气动干扰的伺服小翼挥舞动力学方程,建立了带有伺服小翼的小型共轴式直升机飞行动力学模型,以在研的某小型共轴式无人直升机为研究对象,通过数值法计算了该型直升机的稳定性导数和操纵导数。
Adding a tip vane to the blade of horizontal axis wind turbine(HAWT),it can improve the power output of the generator in some scales,and increase power coefficient.
本文通过应用谱分析法测量风力机风轮旋转时机头的振动谱,通过分析得到了风轮动频,应用动频曲线研究了风力机叶尖小翼对风轮固有频率的影响。
It is important that studying the pressure distribution on the blade and in the adjacent area while searching the power augmentation theory with adding a tip vane to the wind turbine.
8×8)型小翼和不加小翼时叶片的不同径向和弦向位置的压力变化,结合一定位置的等压截面图等分析,看出添置小翼扩大了叶片正负压力面的压差,找出最有影响的位置区域,为进一步揭示叶尖小翼对风力机动力放大的机理起到积极作用。
The optimal design of civil aircraft winglet with multiple constraint;
民用飞机翼梢小翼多约束优化设计
It is shown that the direction stability of the model fitted with wings with winglets is better,and suitable winglets can achieve the model s flight distance.
提出了3种不同的微型飞行器气动布局方案:平直机翼、“M”形机翼和附加翼稍小翼的气动布局形式。
To match these needs,a bigger wing aspect ratio and winglet are adopted as the improvement measures,hopefully the lift-drag ratio of the modified UAV could be increased.
为延长某无人机的留空时间,加大航程和提高升限,用适当加大机翼展弦比和加装翼尖小翼的办法对原型机的气动特性进行了改进,以期能使该无人机的升阻比有较大提高。
Modification of winglet is adopted to raise the lift-drag ratio of the UAV for extension endurance,for enlarge range and for increase ceiling.
为延长无人机留空时间,加大航程和提高升限,可采用加装翼尖小翼的方法使无人机的升阻比有所提高。
Microsurgery through Lateral Fissure and Insula via Pterional Keyhole Approach for Hypertensive Cerebral Hemorrhage in the Fundus Node at a Super Early Stage;
超早期小翼点切口锁孔经侧裂-岛叶入路显微手术治疗高血压基底节区脑出血的临床研究