It is also pointed out that the topological structure near leading edge depended on not only the gap size but also loading of cascade and thickness of inlet boundary layer.

本文指出在叶栅存在间隙时，前缘产生什么样的拓扑结构不仅取决于相对间隙的大小，同时也取决于叶栅的负荷情况。

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Abstract: The traditional BPM semi-empirical prediction airfoil turbulent boundary layer trailing edge noise was improved.

摘要：改进了传统的翼型湍流边界层尾缘噪声bpm半经验预测公式。

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