The Disturbances Affect Brown-Roshko Structures in Plane Mixing Layer

  • Zhong-Lei Wei
  • Zhen-Nan Niu
  • Wen-Jiu Ma
Conference paper
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)


This paper presents the effects of different disturbances on Brown-Roshko coherent structures in the plane mixing layer. The Brown-Roshko coherent structures emerge three-dimensionality. There is a certain relationship between the forming of Brown- Roshko coherent structures and the development of Kelvin- Helmholtz instability waves.


Test Section Coherent Structure External Disturbance Free Stream Strouhal Number 
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    C. Chandrsuda, R.D. Mehta, A.D. Weir and P.Bradshaw (1978) J. Fluid Mechanics, Vol.85, part 4, pp. 693–704.CrossRefADSGoogle Scholar
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    A.Roshko (1980), Proceedings of the role of coherent structures in modelling turbulence and mixing, pp.208–217, Spring-Verlag.Google Scholar
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    P. Boadshaw (1979), Turbulent shear flows 2, pp.259–262, Spring-Verlag.Google Scholar
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    G.L. Brown and A. Roshko (1974), J. Fluid Mechanics, Vol.64, part 4, pp. 775–816.CrossRefADSGoogle Scholar

Copyright information

© Springer, Berlin Heidelberg New York 1983

Authors and Affiliations

  • Zhong-Lei Wei
    • 1
  • Zhen-Nan Niu
    • 1
  • Wen-Jiu Ma
    • 2
  1. 1.Department of MechanicsPeking UniversityChina
  2. 2.Institute of MechanicsChinese Academy of ScienceChina

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