Universal dissipation scaling for non-equilibrium turbulence

Details Universal dissipation scaling for non-equilibrium turbulence Universal dissipation scaling for non-equilibrium turbulence

2011-12-20

arxiv.org/abs/1112.4681v1

Physics

Fluid Dynamics

5 pages, 6 figures

Scientific paper

It is experimentally shown that the non-classical high Reynolds number energy dissipation behaviour, $C_{\epsilon} \equiv \epsilon L/u^3 = f(Re_M)/Re_L$, observed during the decay of fractal square grid-generated turbulence is also manifested in decaying turbulence originating from various regular grids. For sufficiently high values of the global Reynolds numbers $Re_M$, $f(Re_M)\sim Re_M$.

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