Boundary-layer receptivity to freestream disturbances

被引:364
作者
Saric, WS [1 ]
Reed, HL
Kerschen, EJ
机构
[1] Arizona State Univ, Tempe, AZ 85287 USA
[2] Univ Arizona, Tucson, AZ 85721 USA
关键词
sound; stability; transition; turbulence;
D O I
10.1146/annurev.fluid.34.082701.161921
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
The current understanding of boundary-layer receptivity to external acoustic and vortical disturbances is reviewed. Recent advances in theoretical modeling, numerical simulations, and experiments are discussed. It is shown that aspects of the theory have been validated and that the mechanisms by which freestream disturbances provide the initial conditions for unstable waves are better understood. Challenges remain, however, particularly with respect to freestream turbulence.
引用
收藏
页码:291 / 319
页数:29
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