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Chinese Physics, 2000, Vol. 9(7): 508-514    DOI: 10.1088/1009-1963/9/7/007
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

ON THE BREAKDOWN OF A LONG STREAK IN A TRANSITIONAL BOUNDARY LAYER

Lee Cun-biao (李存标)ab, Fu Song (符松)b
a 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  
Received:  24 April 1999      Revised:  11 January 2000      Accepted manuscript online: 
PACS:  47.15.ki (Inviscid flows with vorticity)  
  47.27.nb (Boundary layer turbulence ?)  
  47.35.Fg (Solitary waves)  
Fund: Project supported by the National Natural Science Foundation of China(Grant Nos. 199720343 and in part by the Isaac Newton Institute for Mathematical Sciences, University of Cambridge, UK.

Cite this article: 

Lee Cun-biao (李存标), Fu Song (符松) ON THE BREAKDOWN OF A LONG STREAK IN A TRANSITIONAL BOUNDARY LAYER 2000 Chinese Physics 9 508

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