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Anisotrophy in MHD turbulence due to a mean magnetic field

The development of anisotropy in an initially isotropic spectrum is studied numerically for two-dimensional magnetohydrodynamic (MHD) turbulence. The anisotropy develops due to the combined effects of an externally imposed dc magnetic field and viscous and resistive dissipation at high wave numbers. The effect is most pronounced at high mechanical and magnetic Reynolds numbers. The anisotropy is greater at the higher wave numbers.;The statistical structure of two-dimensional MHD turbulence is also considered. It is shown that the three known rugged invariants of the isotropic case reduce to two for the anisotropic case. Randomness and ergodicity are also briefly discussed.

Identiferoai:union.ndltd.org:wm.edu/oai:scholarworks.wm.edu:etd-3601
Date01 January 1982
CreatorsShebalin, John V.
PublisherW&M ScholarWorks
Source SetsWilliam and Mary
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceDissertations, Theses, and Masters Projects
Rights© The Author

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