On the intermittent energy transfer at viscous scales in turbulent flows

Details On the intermittent energy transfer at viscous scales in turbulent flows On the intermittent energy transfer at viscous scales in turbulent flows

1995-09-07

arxiv.org/abs/chao-dyn/9509008v1

Nonlinear Sciences

Chaotic Dynamics

10 pages, plain Latex, 6 figures available upon request to biferale@roma2.infn.it

Scientific paper

10.1209/0295-5075/32/9/002

In this letter we present numerical and experimental results on the scaling properties of velocity turbulent fields in the range of scales where viscous effects are acting. A generalized version of Extended Self Similarity capable of describing scaling laws of the velocity structure functions down to the smallest resolvable scales is introduced. Our findings suggest the absence of any sharp viscous cutoff in the intermittent transfer of energy.

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