Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
13 (2001), S. 3508-3509
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
In helical turbulence a linear cascade of helicity accompanying the energy cascade has been suggested. Since energy and helicity have different dimensionality we suggest the existence of a characteristic inner scale, ξ=kH−1, 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=kE−1, and their ratio η/ξ vanishes in the high Reynolds number limit, so the flow will always be helicity free in the small scales. © 2001 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1404138
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