INTERMITTENCY IN FULLY-DEVELOPED TURBULENCE - LOG-POISSON STATISTICS AND GENERALIZED SCALE COVARIANCE

被引：318
|
作者：
DUBRULLE, B [1 ]
机构：
[1] OBSERV MIDI PYRENEES,CNRS,URA 285,F-31400 TOULOUSE,FRANCE
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 07期
关键词：
D O I：
10.1103/PhysRevLett.73.959
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Some properties of a model of intermittency in fully developed turbulence due to She and Leveque [Phys. Rev. Lett. 72, 336 (1994)] are explored. The probability functions solution of the model is shown to be simply related to the log-Poisson statistics of local nondimensional energy dissipation. It is also shown that the intermittency obtained by She and Leveque can be interpreted as the consequence of the scale covariance of the energy dissipation. Based on these observations, a new picture of turbulence is presented, in which scale covariance plays a central role.
引用
收藏
页码：959 / 962
页数：4
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