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Celani A, Seminara A. Large-scale anisotropy in scalar turbulence. Phys Rev Lett. 2006;96(18):184501doi: 10.1103/PhysRevLett.96.184501.
Celani, A., & Seminara, A. (2006). Large-scale anisotropy in scalar turbulence. Physical review letters, 96(18), 184501. https://doi.org/10.1103/PhysRevLett.96.184501
Celani, Antonio, and Seminara, Agnese. "Large-scale anisotropy in scalar turbulence." Physical review letters vol. 96,18 (2006): 184501. doi: https://doi.org/10.1103/PhysRevLett.96.184501
Celani A, Seminara A. Large-scale anisotropy in scalar turbulence. Phys Rev Lett. 2006 May 12;96(18):184501. doi: 10.1103/PhysRevLett.96.184501. Epub 2006 May 12. PMID: 16712366.
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Phys Rev Lett. 2006 May 12;96(18):184501. doi: 10.1103/PhysRevLett.96.184501. Epub 2006 May 12.

Large-scale anisotropy in scalar turbulence.

Physical review letters

Antonio Celani, Agnese Seminara

Affiliations

  1. INLN, CNRS, 1361 Route des Lucioles, 06560 Valbonne, France.

PMID: 16712366 DOI: 10.1103/PhysRevLett.96.184501

Abstract

The effect of anisotropy on the statistics of a passive tracer transported by a turbulent flow is investigated. We show that under broad conditions an arbitrarily small amount of anisotropy propagates to the large scales where it eventually dominates the structure of the concentration field. This result is obtained analytically in the framework of an exactly solvable model and confirmed by numerical simulations of scalar transport in two-dimensional turbulence.

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