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Phenomenological equations for multicomponent fluids |
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| Authors: | Osamu Aono |
| Institution: | (1) Department of Physics, Faculty of Science, University of Tokyo, Tokyo, Japan |
| Abstract: | Ahydrodynamic equation of motion for each component of a multicomponent fluid is derived on the basis of nonequilibrium thermodynamics. Special care has been directed to the choice of state variables. In some limiting cases, this equation leads to customary phenomenological equations, such as the equation for diffusion and the Navier-Stokes equation. The viscosity is a consequence of nonlocal coupling of forces and fluxes. The reciprocity between the linear coefficients is examined closely. |
| Keywords: | Nonequilibrium thermodynamics electrolyte solution high-temperature plasma state variable forces and fluxes nonlocal linear relation Onsager reciprocity hydrodynamic equation of motion for component Navier-Stokes equation diffusion viscosity |
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