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Unsteady maneuvering of a morphing wing

机译:变形机翼的不稳定操纵

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We have investigated the dynamic force acting on the controlled morphing wing due to unsteady maneuvering. The controlled morphing takes place in the spanwise direction, which includes spanwise bending and twisting. The main objective of our study is to use controlled wing morphing techniques to improve the lift characteristic and to investigate the effect of controlled morphing on the added mass peak. To that end, we have designed a flexible flat plate wing that can be morphed in a controlled way in spanwise direction with the flexion ratio of 0.67, aspect ratio (AR) 3, and chord length (c) 0.16 m. In the present work, we have worked with two kinematics at Reynolds Number (Re) 18,000 and angle of attack 30°. When the spanwise bending happens on the low-pressure side we see a reduced added mass peak followed by another peak. For spanwise bending on the high-pressure side, we see a higher added mass peak.
机译:我们已经研究了由于不稳定操纵而作用在受控变体机翼上的动力。受控的变形是在翼展方向上进行的,其中包括翼展方向的弯曲和扭曲。我们研究的主要目的是使用受控机翼变形技术来改善升力特性,并研究受控变形对附加质量峰值的影响。为此,我们设计了一种柔性平板机翼,可以在翼展方向上以受控方式变形,其挠曲比为0.67,纵横比(AR)为3,弦长(c)为0.16 m。在目前的工作中,我们已经研究了两个运动学,分别为雷诺数(Re)18,000和迎角30°。当翼展方向弯曲发生在低压侧时,我们看到增加的质量峰减小,随后是另一个峰。对于高压侧的翼展方向弯曲,我们看到了更高的附加质量峰。

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