Turbulent Couette Flow:An analytical solution

K. T. Trịnh

Published 2010 in arXiv: Fluid Dynamics

ABSTRACT

A simple analytical solution for turbulent plane Couette flow is obtained from a subset of the Navier-Stokes equations. This approach analyses the effect of the unsteady state Lagrangian diffusion of viscous momentum on the smoothed phase velocity. Three initial velocity profiles at the start of a turbulent wall cycle are considered. The predictions adequate identify the existence of three layers usually observed in turbulent flow fields, in particular a viscosity dominated wall layer and a log-law layer. Experimental measurements of time-averaged velocity are also well correlated. Key words: Couette flow, turbulent, attractors, analytical solution, Lagrangian partial derivative, time scale, initial conditions

PUBLICATION RECORD

  • Publication year

    2010

  • Venue

    arXiv: Fluid Dynamics

  • Publication date

    2010-09-06

  • Fields of study

    Physics, Engineering

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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REFERENCES

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