Abstract
The functional perturbation theory method developed earlier [L. A. Pozhar and K. E. Gubbins, J. Chem. Phys. 94, 1367 (1991)] and used for derivation of the transport theory of pure dense, strongly inhomogeneous fluids [L. A. Pozhar and K. E. Gubbins, J. Chem. Phys. 99, 8970 (1993)] is exploited to develop the transport theory for mixtures of dense, strongly inhomogeneous fluids. The generalized Enskog-like kinetic equations have been solved using the 13-moment approximation method to obtain linearized quasihydrodynamic equations of first order in gradients of continuum variables and to derive explicit, tractable expressions for the transport coefficients of such mixtures. The derived transport coefficients are expressed in terms of equilibrium structure factors (the number density and the pair and direct correlation functions) of the corresponding inhomogeneous fluid mixtures. Diffusion in such mixtures is considered in detail for several particular cases.
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