发现单纯改变涡襟翼的形式和参数能提高减阻效果，但不能改变小迎角下升力过小的现象。
It is found that the variation of planforms and geometrical parameters can effect only the drag reduction but little to the low lift in low angle of attack condition.
本文给出硬质随行波减阻降噪贴敷层的几何参数设计及原理。
This paper states the geometric shape design and principle of rigid traveling wave pasted layer for reducing noise and drag.
考虑引流方案的有关计算结果仍需与模型实验结果进行对比分析，进一步研究以确定有效减阻的关键参数。
Considering the results of leading edge holes examples should be compared with experimental results, and further studies to determine the key parameters of the effective drag reduction.
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