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EVOLUTION OF WAVE-PACKET IN THREE-DIMENSIONAL BOUNDARY LAYER ON A SWEPT WING
Author(s): 
Pages: 159-164
Year: Issue:  2
Journal: Acta Mechanica Sinica

Keyword:  三维边界层 孤立波包 条纹结构 增长路径;
Abstract: 研究了点源产生的孤立波包在后掠平板三维边界层中的演化特征.理论计算的波包增长路径和NitSChke-Kowsty所做流场显示得到的条纹结构一致,证明条纹是波包的等相位线;波包方程的渐近解表明在三维边界层中eN方法应沿着为实数的方向积分;eN方法过高预测了扰动幅值的增长率,与Derhle的实验结论一致.
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