The aerodynamic characteristics of low Reynolds number, the influence of separation bubble and aspect ratio are discussed.
讨论了低雷诺数空气动力特性，包括分离气泡和展弦比的影响。
The results show that the force coefficients and separation bubble are periodic, which indicates the method is correct and feasible.
计算结果表明：气动力系数及分离泡呈规则的周期性变化，证明方法是成功的、可行的。
The presence of the separation bubble is an important feature at low Reynolds number airfoil flows, and the separation bubble is usually unsteady.
低雷诺数翼型流动的一个重要特征是分离泡的产生，并且分离泡通常是非定常的。
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