Abstract
We comment on the experimental results of Seoud and Vassilicos “Dissipation and decay of fractal-generated turbulence” [Phys. Fluids 19, 105108 (2007)] and show that, although their main observation that Cε~Reλ-1 for the fractal square grid-generated turbulence is essentially correct, their quantitative estimations of turbulent quantities depending on small scales (e.g., ɛ, λ, Reλ, and Cɛ) are biased by their anemometry system.
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