Maxwell–Stefan diffusion

The Maxwell–Stefan diffusion (or Stefan–Maxwell diffusion) is a model for describing diffusion in multicomponent systems. The equations that describe these transport processes have been developed independently and in parallel by James Clerk Maxwell for dilute gases and Josef Stefan for fluids. The Maxwell–Stefan equation is * ∇: vector differential operator * χ: Mole fraction * μ: Chemical potential * a: Activity * i, j: Indexes for component i and j * n: Number of components * : Maxwell–Stefan-diffusion coefficient * : Diffusion velocity of component i * : Flux of component i

Maxwell–Stefan diffusion

The Maxwell–Stefan diffusion (or Stefan–Maxwell diffusion) is a model for describing diffusion in multicomponent systems. The equations that describe these transport processes have been developed independently and in parallel by James Clerk Maxwell for dilute gases and Josef Stefan for fluids. The Maxwell–Stefan equation is * ∇: vector differential operator * χ: Mole fraction * μ: Chemical potential * a: Activity * i, j: Indexes for component i and j * n: Number of components * : Maxwell–Stefan-diffusion coefficient * : Diffusion velocity of component i * : Flux of component i