Modeling of diffusion and absorption processes of tritium in beryllium membranes

Autor:	V. V. Kirsanov, V. V. Grigor’eva
Rok vydání:	1999
Předmět:	chemistry.chemical_compound Membrane Thermonuclear fusion Physics and Astronomy (miscellaneous) chemistry Chemical engineering Hydrogen Oxide chemistry.chemical_element Tritium Beryllium Diffusion (business) Permeation
Zdroj:	Technical Physics. 44:771-774
ISSN:	1090-6525 1063-7842
Popis:	The permeation of tritium produced in thermonuclear fusion through metallic membranes, which is a topical problem in radiation physics, is addressed. A physical model for the permeation of hydrogen through a beryllium membrane is proposed which takes into account the oxide layer on the surface of the membrane. The model is implemented in the form of a system of differential equations, which is solved by numerical methods. As a result of the computer modeling it is shown that as the temperature is raised, the oxide layer in a certain interval blocks the permeation of tritium in the membrane, and it is found that the tritium is distributed in a rather limited region of the membrane over its thickness. This circumstance will permit the use of special processing by etching or mechanical treatment.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7d13b14c8f507cd16482a799ae0aa47e https://doi.org/10.1134/1.1259345 Zobrazit plný text záznamu Plný text ve formátu PDF