ANOMALOUS SCALING OF A PASSIVE SCALAR IN TURBULENT-FLOW

被引：0

作者：

SHRAIMAN, BI ^{[1
]}

SIGGIA, ED ^{[1
]}

机构：

[1] CORNELL UNIV,ITHACA,NY 14853

来源：

COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE B-MECANIQUE PHYSIQUE CHIMIE ASTRONOMIE | 1995年 / 321卷 / 07期

关键词：

D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A phenomenological equation for the N-point correlators of a passive scalar in a Gaussian random flow with Kolmogorov scaling is derived. This equation possesses an approximate SL(N - 1, R) x SO(d) symmetry which is used to find its solution for N = 3 in two dimensions (d = 2). An anomalous, non-Kolmogorov scaling of the 3-point function or skewness is found in the inertial range indicating the persistence of anisotropy on small scales. In addition to its scaling dimension the angular dependence of the full 3-point function is given.

引用

页码：279 / 284

页数：6

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