Rela7on between various uxes total mass ux of mixture

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Unformatted text preview: diffusion Will learn more about species velocity in future mass transfer class Measures of Velocity On a mass basis: Mass average velocity: On a molar basis: Molar average velocity: Total Mole Balance In analysis of certain problems it is convenient to work with a total mole balance obtained by summing up the species molar balance Use the following defini2ons: Total Mole Balance: Mass Fluxes Consider a mixture of N species. The mass flux of species i is: Total mass flux of the mixture is Dividing RHS through by gives mass frac7on of species i mass average velocity species velocity Mass Diffusi...
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This document was uploaded on 01/26/2014.

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