An update on the energy dissipation rate in isotropic turbulence

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Direct numerical simulations of homogeneous turbulence in a periodic box are examined here to support the traditional expectation that the dissipation rate at high Reynolds numbers is independent of fluid viscosity, and is a constant of order unity when scaled on the integral scale and root-mean-square velocity. However, the numerical value of the constant appears to depend on details of forcing at low wavenumbers, or, perhaps, the structure of the large scale itself.

Original languageEnglish (US)
Pages (from-to)530-532
Number of pages3
JournalPhysics of Fluids
Issue number2
StatePublished - 1998

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Computational Mechanics
  • Mechanics of Materials
  • General Physics and Astronomy
  • Condensed Matter Physics


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