Anomalous Scaling and Structure Instability in Three-Dimensional Passive Scalar Turbulence

Details Anomalous Scaling and Structure Instability in Three-Dimensional Passive Scalar Turbulence Anomalous Scaling and Structure Instability in Three-Dimensional Passive Scalar Turbulence

1997-04-09

arxiv.org/abs/chao-dyn/9704012v2

Nonlinear Sciences

Chaotic Dynamics

4 pages, 5 figures, PRL in press. Replaced for additional reference and some minor corrections

Scientific paper

10.1103/PhysRevLett.78.3459

The anomalous scaling phenomena of three-dimensional passive scalar turbulence are studied using high resolution direct numerical simulation. The inertial range scaling exponents of the passive scalar increment and the scalar dissipation are obtained. The connection between the intermittency structure and the scaling exponent is examined and the structure instability of the high amplitude scalar dissipation is used to clarify previous experimental results for the scaling exponents.

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