Secondary Instability Associated with Streamwise Vortices in a Rotating Boundary Layer

  • S. Masuda
  • D. Hori
  • M. Matsubara
Part of the IUTAM Symposia book series (IUTAM)


The experiment on the secondary instability associated with Goertler vortices in rotating boundary layer is presented. The flow visualizations and hot-wire measurements show the instability with respect to spanwise disturbance resulting in the wavelength modulation. The instability with respect to streamwise disturbance appears downstream in the form of horseshoe and wavy modes, whose selection is related to the modulated spanwise wavelength of the nonlinear Goertler vortices.

Key words

Secondary instability Streamwise vortex Boundary layer Transition System rotation Coriolis force 


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Copyright information

© Springer-Verlag, Berlin Heidelberg 1995

Authors and Affiliations

  • S. Masuda
    • 1
  • D. Hori
    • 1
  • M. Matsubara
    • 2
  1. 1.Department of Mechanical EngineeringKeio UniversityYokohamaJapan
  2. 2.Department of Mechanics/Fluid PhysicsRoyal Institute of TechnologyStockholmSweden

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