Phys. Rev. E 71, 065302(R) (2005) [4 pages]Dynamical scaling and intermittency in shell models of turbulence
We introduce a model for the turbulent energy cascade aimed at studying the effect of dynamical scaling on intermittency. In particular, we show that by slowing down the energy-transfer mechanism for fixed energy flux, intermittency decreases and eventually disappears. This result supports the conjecture that intermittency can be observed only if energy is flowing towards faster and faster scales of motion. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.71.065302
DOI:
10.1103/PhysRevE.71.065302
PACS:
47.27.Ak, 47.10.+g
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