Nonisothermal diffusion-reaction with nonlinear Kramers kinetics

被引：1

作者：

Ortiz de Zarate, Jose M. ^{[1
]}

Bedeaux, Dick ^{[2
,3
]}

Pagonabarraga, Ignacio ^{[4
]}

Sengers, Jan V. ^{[5
]}

Kjelstrup, Signe ^{[2
,3
]}

机构：

[1] Univ Complutense, Dept Fis Aplicada 1, E-28040 Madrid, Spain

[2] Norwegian Univ Sci & Technol, Dept Chem, N-7491 Trondheim, Norway

[3] Delft Univ Technol, Dept Proc & Energy, NL-2628 CA Delft, Netherlands

[4] Univ Barcelona, Dept Fis Fonamental, E-08028 Barcelona, Spain

[5] Univ Maryland, Inst Phys Sci & Technol, College Pk, MD 20742 USA

来源：

COMPTES RENDUS MECANIQUE | 2011年 / 339卷 / 05期

关键词：

Mesoscopic nonequilibrium thermodynamics; Nonisothermal chemical reactions; Soret effect; Temperature profiles; Flux profiles; Thermal diffusion; CHEMICAL-REACTIONS; NONEQUILIBRIUM THERMODYNAMICS; HYDRODYNAMICS; TRANSPORT; DYNAMICS; SYSTEMS;

D O I：

10.1016/j.crme.2011.03.003

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Recently, we have started to develop mesoscopic nonequilibrium thermodynamics for a reaction far from equilibrium in the presence of a temperature gradient, so that the interplay between the chemical reaction, diffusion and thermal diffusion can be described within the same theoretical framework. In this article we show that the spatial symmetry properties of the deterministic solution, which were so characteristic for conditions close to equilibrium, are no longer valid far from equilibrium. This is expected to have some conceptual consequences for the spatial spectrum of the fluctuations of temperature and concentrations around their local equilibrium values. (C) 2011 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：287 / 291

页数：5

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