Anomalous scaling in a shell model of helical turbulence

Details Anomalous scaling in a shell model of helical turbulence Anomalous scaling in a shell model of helical turbulence

1999-12-15

arxiv.org/abs/chao-dyn/9912025v1

Nonlinear Sciences

Chaotic Dynamics

7 pages, 3 figures. submitted to Physica proceedings of the conference ``Statistical Mechanics And Strongly Correlated Systems

Scientific paper

10.1016/S0378-4371(99)00619-6

In a helical flow there is a subrange of the inertial range in which there is a cascade of both energy and helicity. In this range the scaling exponents associated with the cascade of helicity can be defined. These scaling exponents are calculated from a simulation of the GOY shell model. The scaling exponents for even moments are associated with the scaling of the symmetric part of the probability density functions while the odd moments are associated with the anti-symmetric part of the probability density functions.

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