Exact solution for single-scale Gaussian random transport

被引：6

作者：

Gleeson, JP ^{[1
]}

机构：

[1] Natl Univ Ireland Univ Coll Cork, Dept Appl Math, Cork, Ireland

来源：

PHYSICAL REVIEW E | 2002年 / 65卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.65.037103

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：

A quadrature expression is derived for the probability density function of passive tracers advected from a point by a one-dimensional, single-scale, Gaussian velocity field. The effect of trapping on the tracer moments and the Lagrangian velocity variance is explicitly demonstrated.

引用

页数：4

共 6 条

[1] Anomalous diffusion of a tracer advected by wave turbulence [J].

Balk, AM .

PHYSICS LETTERS A, 2001, 279 (5-6) :370-378

[2] A closure method for random advection of a passive scalar [J].

Gleeson, JP .

PHYSICS OF FLUIDS, 2000, 12 (06) :1472-1484

[3]

GLEESON JT, UNPUB

[4]

Majda AJ, 1999, PHYS REP, V314, P238

[5] Probabilistic models for particle and scaler transport in fluctuating flows: an evaluation of simple closure approximations [J].

Swailes, DC ;

Darbyshire, KFF .

PHYSICA A, 1999, 262 (3-4) :307-327

[6]

Ziman JM, 1979, MODELS DISORDER

← 1 →