Cascades in helical turbulence
- 26 February 2001
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 63 (3) , 036304
- https://doi.org/10.1103/physreve.63.036304
Abstract
We suggest the existence of a characteristic inner scale ξ for helicity dissipation in a regime of hydrodynamic fully developed turbulence and estimate it on dimensional grounds. This scale is always larger than the Kolmogorov scale η and their ratio η/ξ vanishes in the high Reynolds number limit, so the flow will always be helicity free in the small scales. These ideas are illustrated in a shell model of turbulence.All Related Versions
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