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Derivation of an interface condition for interfaces that possess mass capacity

✍ Scribed by Yi-Hsu Ju; Wen-Chien Lee

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
581 KB
Volume
43
Category
Article
ISSN
0009-2509

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✦ Synopsis

The interface between adjoining layers in a multi-layer medium is usually considered to have zero thickness. Actually, although very thin, the interface may accumulate mass due to the so-called secondary phenomena occurring at the interface in a diffusion process. In this work, a regular perturbation technique is used to find an interface condition which takes into account the immobilization reaction which may occur with diffusion in a multi-layer medium. By the correct adjustment of parameters, the new interface condition can be reduced to the classical one. An example is given to illustrate the application of the new interface condition and an experimental method is suggested to determine the physical properties of a reaction membrane.

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