Diffusion Models Implied by the Theory of Mixtures
In this appendix the essential features of five models of diffusion will be summarized. The starting place for this discussion is the Theory of Mixtures as presented in Lecture 5. For brevity, none of the models discussed here will include the effects of chemical reactions. Chemical reaction within the framework of the Theory of Mixtures is discussed in Lecture 6 of the book here republished and in reference  of this appendix. The discussion in Lecture 6 is based, in part, on my article , which omits the effects of diffusion. Reference  shows how diffusion and chemical reactions can be included in a common framework.
KeywordsEntropy Porosity Incompressibility
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