Homogeneous nucleation in inhomogeneous media.: II.: Nucleation in a shear flow

被引:43
|
作者
Reguera, D [1 ]
Rubí, JM
机构
[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA
[2] Norwegian Univ Sci & Technol, Dept Chem, N-7491 Trondheim, Norway
[3] Univ Barcelona, Dept Fis Fonamental, E-08028 Barcelona, Spain
来源
JOURNAL OF CHEMICAL PHYSICS | 2003年 / 119卷 / 18期
关键词
D O I
10.1063/1.1614777
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We investigate the influence of a shear flow on the process of nucleation. Mesoscopic nonequilibrium thermodynamics is used to derive the Fokker-Planck equation governing the evolution of the cluster size distribution in a metastable phase subjected to a stationary flow. The presence of the flow manifests itself in the expression for the effective diffusion coefficient of a cluster and introduces modifications in the nucleation rate. The implications of these results in condensation and polymer crystallization are discussed. (C) 2003 American Institute of Physics.
引用
收藏
页码:9888 / 9893
页数:6
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