Checking of gaseous diffusion barriers by the argon separation method
Creators
- 1. CEA Centre d'Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France). Dept. de Genie Isotopique
Description
Study and characterization of gaseous diffusion barriers is obtained through the determination of several parameters representative of the quality of the samples: permeability, porosity, mean pore radius, pore distribution, specific area... Among the points which have to be known with accuracy, the separation efficiency S and the aerodynamic efficiency Z can be obtained by enrichment measurements made on argon isotopes. After a short definition of these factors of efficiency which characterize the functioning of a barrier in given conditions, the principle of the method of separation used for their experimental determination on benches working with argon is presented. A detailed description of the equipment, and a complete analysis of the mode of exploitation of the measurements are given
Abstract (French)
L'etude et la caracterisation des barrieres de diffusion gazeuse passent par la determination de divers parametres representatifs de la qualite des echantillons: permeabilite, porosite, rayon moyen de pores, distribution de pores, surface specifique... Parmi les elements qu'il importe de connaitre avec precision, le rendement de separation S et le rendement aerodynamique Z peuvent etre obtenus a partir de mesures d'enrichissement effectuees sur les isotopes de l'argon. Apres avoir donne une definition rapide de ces facteurs de rendement, qui caracterisent le fonctionnement d'une barriere dans des conditions donnees, on indique le principe de la methode de separation mise en oeuvre, pour leur determination experimentale sur des bancs monopassage fonctionnant a l'argon. On complete par une description detaillee de l'appareillage, et une analyse complete de la facon d'exploiter les mesuresAdditional details
Additional titles
- Original title (French)
- Le controle des barrieres de diffusion gazeuse par la methode de separation argon
Publishing Information
- Journal Title
- Bull. Inf. Sci. Tech. (Paris)
- Journal Issue
- no.206
- Series
- Bull. Inf. Sci. Tech. (Paris).
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 7233640
- Subject category
- S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
- Descriptors DEI
- ARGON; DIFFUSION BARRIERS; EFFICIENCY; TESTING
- Descriptors DEC
- ELEMENTS; NONMETALS; RARE GASES