Direct Numerical Simulation of Turbulent Couette Flow

Abstract

A direct simulation of fully developed turbulent channel flow with heat transfer has been performed through a direct solution of the time-varying, incompressible, Navier-Stokes equations. Instantaneous streamwise, spanwise, and normal velocity as well as other turbulence quantities, have been computed. Comparison is made with experimental measurements in the literature. There are discrepancies in the maximum values of the second- through fourth-order statistics. The maximum value of the streamwise turbulence intensity is about ten percent lower than what is found experimentally. The unusually high flatness at the wall suggests that more resolution is required near the wall to sort out the contributions of various sized structures, although calculations with less resolution seem to capture the smallest relevant scales of motion. (JHD)

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1990
Accession Number
ADA224287

Entities

People

  • John D. Kuzan
  • Kurt D. Fickie

Organizations

  • Ballistic Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Chebyshev Polynomials
  • Computational Fluid Dynamics
  • Computer Simulations
  • Differential Equations
  • Fluid Dynamics
  • Fluid Flow
  • Heat Transfer
  • Measurement
  • Molecular Dynamics
  • Navier Stokes Equations
  • Projectiles
  • Reynolds Number
  • Strain Rate
  • Three Dimensional
  • Turbulent Flow
  • Turbulent Mixing
  • Viscous Flow

Fields of Study

  • Physics

Readers

  • Fluid Mechanics and Fluid Dynamics.
  • Regression Analysis.