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Multicomponent diffusion-A brief review
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DOI：10.1016/j.advwatres.2013.05.010.png)
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摘要
En 中文
After a brief summary of previous work on multicomponent diffusion theory, we review how the thermodynamics of irreversible processes leads us to an expression for the generalized driving force for diffusion. We then give the generalized Fick's law expression containing the diffusivities D-alpha gamma; then we show how this may be turned ''wrong-side out'' using Merk's method to give the generalized Maxwell-Stefan equations containing the diffusivities D-12 x(1)x(2)/C-12. Finally, we show how the latter are related to the diffusivities D-12 that are usually reported in the literature. All results are applicable to gases or liquids. This review is restricted to presenting the basic theory in a consistent notation, and not to the applications of the theory. (C) 2013 Published by Elsevier Ltd.
Keyword:
Diffusion
Stefan-Maxwell equations
Multi-component systems
Thermal diffusion
期刊
IF:
4.2
论文数:
4.6K
被引数:
1.5W
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