超临界机翼抖振控制方法数值探究(摘要)

来源 :北京力学会第二十二届学术年会 | 被引量 : 0次 | 上传用户:husong724
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本文采用数值方法研究了激波控制鼓包在三维机翼上的作用,验证了通过减弱波后逆压梯度的方法可以将激波抖动的范围控制在较小的范围内。由非定常计算结果得到半个周期内压力系数变化的均方差激波位置从内到外逐渐向前移动,在中间靠外侧的位置附近激波位置变化最为显著。安装鼓包后,激波抖动的范围和幅度都有缩小,这说明鼓包有效地控制了抖振范围。
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