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This work aims to estimate the limitations of the van der Waals one-fluid (vdW1) approximation in the prediction of the viscosity of Lennard–Jones (LJ) mixtures. To do so, non-equilibrium molecular dynamics simulations have been performed. Results on mixtures have been compared to those of their equivalent pure fluids (in the sense of the vdW1 model). Several systems (146 configurations) are studied,...
In the frame of the law of the corresponding states, a systematic study of the influence on viscosity of the mass ratio in mixtures has been performed. To achieve such a goal, the viscosity of Lennard–Jones binary, ternary and 10-components mixtures in various thermodynamic states, and for various molar fractions, has been evaluated thanks to nonequilibrium molecular dynamics simulations. To focus...
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