Universal Dissipation Scaling for Nonequilibrium Turbulence

P. C. Valente and J. C. Vassilicos
Phys. Rev. Lett. 108, 214503 – Published 23 May 2012

Abstract

It is experimentally shown that the nonclassical high Reynolds number energy dissipation behavior, CεεL/u3=f(ReM)/ReL, observed during the decay of fractal square grid-generated turbulence (where ReM is a global inlet Reynolds number and ReL is a local turbulence Reynolds number) is also manifested in decaying turbulence originating from various regular grids. For sufficiently high values of the global Reynolds numbers ReM, f(ReM)ReM.

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  • Received 21 December 2011

DOI:https://doi.org/10.1103/PhysRevLett.108.214503

© 2012 American Physical Society

Authors & Affiliations

P. C. Valente* and J. C. Vassilicos

  • Turbulence, Mixing and Flow Control Group, Department of Aeronautics, Imperial College London, London, United Kingdom‡

  • *p.valente09@imperial.ac.uk
  • j.c.vassilicos@imperial.ac.uk
  • www.imperial.ac.uk/tmfc

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Issue

Vol. 108, Iss. 21 — 25 May 2012

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