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Experiments and direct numerical simulations of two-dimensional turbulence

C. H. Bruneau1 and H. Kellay2

  • 1Mathématiques Appliquées de Bordeaux, Université Bordeaux 1, 351 cours de la Libération, 33405 Talence cedex, France
  • 2Centre de Physique Moléculaire Optique et Hertzienne (UMR 5798), Université Bordeaux 1, 351 cours de la Libération, 33405 Talence cedex, France

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Phys. Rev. E 71, 046305 – Published 25 April, 2005

DOI: https://doi.org/10.1103/PhysRevE.71.046305

Abstract

Experiments and direct numerical simulations reveal the coexistence of two cascades in two-dimensional grid turbulence. Several features of this flow such as the energy density and the scalar spectra are found to be consistent with well known theoretical predictions. The energy transfer function displays the expected upscale energy transfers. The vorticity correlation function is logarithmic and thus consistent with recently proposed models.

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Outline

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Phys. Rev. E 71, 046305– Published 25 April, 2005
  • Received 23 December 2003

© 2005 American Physical Society

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