Vortex filament model and multifractal conjecture

被引:4
|
作者
Zybin, K. P. [1 ]
Sirota, V. A. [1 ]
机构
[1] RAS, PN Lebedev Phys Inst, Moscow 119991, Russia
关键词
TRANSVERSE STRUCTURE FUNCTIONS; REYNOLDS-NUMBER DEPENDENCE; TURBULENCE; STATISTICS; DYNAMICS;
D O I
10.1103/PhysRevE.85.056317
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We develop a theory of turbulence based on the inviscid Navier-Stokes equation. We get a simple but exact stochastic solution (vortex filament model) which allows us to obtain a power law for velocity structure functions in the inertial range. Combining the model with the multifractal conjecture, we calculate the scaling exponents without using the extended self-similarity approach. The results obtained are shown to be in very good agreement with numerical simulations and experimental data. The role of more general stochastic solutions of the Navier-Stokes equation is discussed.
引用
收藏
页数:10
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