Low Reynolds number aerodynamics of low-aspect-ratio, thin/flat/cambered-plate wings
Low Reynolds number aerodynamics of low-aspect-ratio, thin/flat/cambered-plate wings
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DOI：
10.2514/2.2676
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发表时间：
2000-09-01
影响因子：
2.2
通讯作者：
Mueller, TJ
中科院分区：
文献类型：
--
作者：
Pelletier, A;Mueller, TJ
微型飞行器的设计需要更好地了解小型低展弦比机翼的空气动力学。一项实验研究的重点是测量一系列薄鼠板和弧形板的四分之一弦的升力、阻力和俯仰力矩，弦雷诺数在 60,000 到 200,000 之间。结果表明，弧形板具有更好的空气动力学特性和性能。而且，机翼后缘的几何形状和风洞中的湍流强度似乎对低雷诺数下薄机翼的升力和阻力没有强烈影响。此外，结果没有显示出任何滞后现象的存在，这通常是在厚翼型/机翼上观察到的。
The design of micro aerial vehicles requires a better understanding of the aerodynamics of small low-aspect-ratio wings. An experimental investigation has focused on measuring the lift, drag, and pitching moment about the quarter chord on a series of thin Rat plates and cambered plates at chord Reynolds numbers varying between 60,000 and 200,000. Results show that the cambered plates offer better aerodynamic characteristics and performance. It also appears that the trailing-edge geometry of the wings and the turbulence intensity in the wind tunnel do not have a strong effect on the lift and drag for thin wings at Low Reynolds numbers. Moreover, the results did not show the presence of any hysteresis, which is usually observed with thick airfoils/wings.