This short paper introduces a new concept of rotor where the blades undergo a periodic surging motion in the rotor disk plane. It is shown that the unsteady actuation induces aerodynamic phenomenon that can enhance both rotor thrust and efficiency, depending on the amplitude and frequency of actuation. In particular, the increase in aerodynamic performance is found to correlate with the development of a large scale leading edge vortex. Accordingly, the optimal frequency is found to correlate with the formation time of this vortex.

中文翻译：

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通过叶片喘振提高转子性能

这篇简短的论文介绍了转子的新概念，其中叶片在转子盘平面上进行周期性的喘振运动。结果表明，不稳定的驱动会引起空气动力学现象，这可以提高转子推力和效率，这取决于驱动的幅度和频率。特别是，发现空气动力学性能的提高与大规模前缘涡流的发展相关。因此，发现最佳频率与该涡旋的形成时间相关。