Lecture 5: Diffusion Coefficient (Diffusivity)
diffusion coefficient, D = - G /RT 2. e. A 6. a. ν. ∆ (see Lecture 3), which has an SI unit of m²/s (length²/time). Apparently, D is a proportionality constant between the diffusion flux and the gradient in the concentration of the diffusing species, and D is dependent on both temperature and pressure. Diffusion coefficient, also called ...
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