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Diffusion in Gases and Porous Media by Roberto E Cunningham; R J J Williams is a nonfiction available to read on EtoBox.

What is Diffusion in Gases and Porous Media about?

The world we live in exhibits, on different scales, many phenomena related to the diffusion of gases. Among them are the movement of gases in earth strata, the aeration of soils, the drying of certain materials, some catalytic reactions, purification by adsorption, isotope separation, column chro­ matography, cooling of nuclear reactors, and the permeability of various packing materials. The evolution of the understanding of this subject has not always been straightforward and progressive-there has been much confusion and many doubts and misunderstandings, some of which remain to this day. The main reason for the difficulties in the development of this subject is, we now know, the lack of an understanding of the effects of walls on diffusing systems. Textbooks usually treat diffusion on two levels: at the physicochemi­ cal or molecular level, making use of the kinetic theory of gases (which while a very rigorous and well-founded theory nevertheless is valid only for systems without walls), or at the level of a transport phenomenon, a level geared toward applications. The influence of walls is usually disregarded or is treated very briefly (for example, by taking account of the Knud

Who reads Diffusion in Gases and Porous Media?

Author

Roberto E Cunningham; R J J Williams

Publisher

PLENUM PRESS

Published

1980

Language

EN

ISBN

9780306405372

Category

nonfiction

Subjects

Science, Chemistry, Engineering