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ON THE BREAKDOWN OF A LONG STREAK IN A TRANSITIONAL BOUNDARY LAYER |
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| Authors: | Lee Cun-biao and Fu Song |
| Affiliation: | Laboratory of Fluid Mechanics, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;State key Laboratory of Turbulence Research, Peking University, Beijing 100871, China |
| Abstract: | Transition in regular K-regime of boundary layer is studied. The features of the long streak that is considered as a form of soliton/like coherent structure (CS-soliton) are investigated briefly. The experiment shows that the breakdown of long streak is generated by chain of ring-like vortices. |
| Keywords: | boundary layer transition chain of ring-like vortices secondary closed vortex long streak breakdown |
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