TRACER DIFFUSION IN SHEAR-FLOW

被引：18

作者：

GARZO, V

DEHARO, ML

机构：

[1] Laboratorio de Energía Solar, Instituto de Investigaciones en Materiales, Universidad Nacional Autnoma de México, Temixco 62580, Morelos

来源：

PHYSICAL REVIEW A | 1991年 / 44卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.44.1397

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The Boltzmann-Lorentz equation for Maxwell molecules is used to study tracer diffusion in uniform shear flow. It is shown that some values of the mass ratio may prevent the establishment of a hydro-dynamic regime. In the region where a hydrodynamic solution exists, a diffusion tensor has been derived by considering terms up to first order in the tracer concentration gradient. This tensor is a highly nonlinear function of both the shear rate and the mass ratio. A comparison with earlier results has been performed.

引用

页码：1397 / 1400

页数：4

共 7 条

[1] CHAPMAN-ENSKOG VELOCITY DISTRIBUTION FOR TRACER DIFFUSION [J].

DEHARO, ML .

JOURNAL OF STATISTICAL PHYSICS, 1989, 57 (3-4) :907-920

[2]

DEHARO ML, 1984, J CHEM PHYS, V80, P408, DOI 10.1063/1.446463

[3] DIFFUSION IN SHEAR-FLOW [J].

DUFTY, JW .

PHYSICAL REVIEW A, 1984, 30 (03) :1465-1476

[4] INFLUENCE OF NONCONSERVATIVE EXTERNAL FORCES ON SELF-DIFFUSION IN DILUTE GASES [J].

GARZO, V ;

SANTOS, A ;

BREY, JJ .

PHYSICA A, 1990, 163 (02) :651-671

[5]

IKENBERRY E, 1956, J RATION MECH ANAL, V5, P1

[6] TAGGED PARTICLE FLUCTUATIONS IN UNIFORM SHEAR-FLOW [J].

MARCHETTI, MC ;

DUFTY, JW .

JOURNAL OF STATISTICAL PHYSICS, 1983, 32 (02) :255-277

[7] FOKKER-PLANCK AND LANGEVIN DESCRIPTIONS OF FLUCTUATIONS IN UNIFORM SHEAR-FLOW [J].

RODRIGUEZ, RF ;

SALINASRODRIGUEZ, E ;

DUFTY, JW .

JOURNAL OF STATISTICAL PHYSICS, 1983, 32 (02) :279-298

← 1 →