On transition via transient growth in Couette flow

Michael Karp, Jacob Cohen

Research output: Contribution to conferencePaperpeer-review


A possible explanation for the transition phenomenon in Couette flow is the mechanism of transient growth. In this work we consider the instability of a two dimensional base-flow, consisting of Couette flow and pair of streamwise independent counter-rotating vortices (CVPs). We show analytically that the inclusion of nonlinear interactions between the base-flow and the CVPs is required in order to obtain eigenvalues that correspond to transition scenarios obtained using a direct numerical simulation (DNS). The relative dominance of the inflection points in the wall-normal and spanwise directions is studied using linear and nonlinear analysis.

Original languageEnglish
StatePublished - 2020
Event14th European Turbulence Conference, ETC 2013 - Lyon, France
Duration: 1 Sep 20134 Sep 2013


Conference14th European Turbulence Conference, ETC 2013

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics
  • Astronomy and Astrophysics
  • Atmospheric Science
  • Geophysics


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