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Published October 1958 | Published + Reprint
Journal Article Open

Elementary derivation of the multicomponent diffusion equation

Abstract

It is demonstrated that the multicomponent diffusion equation can be derived from elementary kinetic-theory considerations without employing the results of the mathematical theory of nonuniform gases. By using the approach described by Furry, elementary expressions for the binary diffusion coefficients are also obtained. The advantage of the concept of the equivalence of partial pressure gradients and momentum gradients is thereby emphasized.

Additional Information

© 1958 American Association of Physics Teachers. Received February 13, 1958. Online Jul 2005. Supported in part by the Office of Ordnance Research, U. S. Army, under Contract DA-04-495-Ord-446.

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Published - AJP000467_1_.pdf

Reprint - 97_Williams_FA_1958.pdf

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August 19, 2023
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