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Pressure and intermittency in passive vector turbulence
被引:38
|作者:
Adzhemyan, LT
Antonov, NV
Mazzino, A
Muratore-Ginanneschi, P
Runov, AV
机构:
[1] St Petersburg State Univ, Dept Theoret Phys, St Petersburg 198904, Russia
[2] Univ Lecce, CNR, ISIAtA, I-73100 Lecce, Italy
[3] Univ Genoa, Dipartimento Fis, INFM, I-16146 Genoa, Italy
[4] Univ Helsinki, Dept Math, Helsinki 00014, Finland
来源:
关键词:
D O I:
10.1209/epl/i2001-00351-x
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
We investigate the scaling properties of a model of passive vector turbulence with pressure in the presence of a large-scale anisotropy. The leading scaling exponents of the structure functions are proven to be anomalous. The anisotropic exponents are organized in hierarchical families growing without bound with the degree of anisotropy. Nonlocality produces poles in the inertial-range dynamics corresponding to the dimensional scaling solution. The increase vs. the Peclet number of the hyperskewness and higher odd-dimensional ratios signals the persistence of anisotropy in the inertial range.
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页码:801 / 806
页数:6
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