Channel Flow Transition Induced by a Pair of Oblique Waves

  • P. J. Schmid
  • D. S. Henningson
Part of the ICASE NASA LaRC Series book series (ICASE/NASA)


A pair of small but finite amplitude oblique waves were used as initial condition in numerical simulations of transition to turbulent flow. A number of cases were run with different combinations of Reynolds numbers and initial wave characteristics. In all cases a rapid energy growth to a transition peak occurred, followed by a redistribution of the energy to smaller spatial scales. The flow fields after the peak resembled that of a turbulent state although no attempts were made to determine whether these states were sustained. The reported transition process represents a bypass of the secondary instability scenario involving finite amplitude 2D waves.


Reynolds Number Direct Numerical Simulation Streamwise Velocity Localize Disturbance Centerline Velocity 
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Copyright information

© Springer-Verlag New York, Inc. 1992

Authors and Affiliations

  • P. J. Schmid
    • 1
  • D. S. Henningson
    • 1
  1. 1.Department of MathematicsMITCambridgeUSA

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