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General views about specimen irradiations in reactors; Considerations generales sur'les irradiations d'echantillons dans les reacteurs

Abstract

Specimen irradiation of fissile or non-fissile materials, carried out under circumstances becoming more and more severe and in reactor of increasing flux bas led to an evolution of irradiation rigs. A survey of the problems arising from irradiating under these various circumstances leads to conclude that it is possible to devise one capsule type suitable to every particular case, and that in a wide temperature range. Consequently, once the various irradiation-parameters known, a general method of calculation can be followed so as to determine the various sizes of the parts constituting the capsule. These theoretical calculations might sometimes be corrected through benefits gained from previous irradiations. Similarly, practical experimentation might allow to foresee more handy assembling of the capsule, specimen loading-and unloading being easier at the same time. (author) [French] L'irradiation d'echantillons, fissiles ou non fissiles, dans des conditions imposees de plus en plus strictes et dans des reacteurs a flux de plus en plus eleve, a eu pour consequence une evolution dans la conception des dispositifs d'irradiation. Lorsqu'on examine les problemes souleves par ces differentes irradiations, on en conclut qu'il est possible de concevoir un type de capsule capable de donner satisfaction dans chaque cas particulier, et ce, dans  More>>
Authors:
Seguin, M [1] 
  1. Commissariat a l'Energie Atomique, Grenoble (France). Centre d'Etudes Nucleaires
Publication Date:
Jul 01, 1965
Product Type:
Technical Report
Report Number:
CEA-R-2801
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; IN PILE LOOPS; IRRADIATION CAPSULES; IRRADIATION DEVICES; SPECIFICATIONS; TEMPERATURE CONTROL
OSTI ID:
20680257
Research Organizations:
CEA Grenoble, 38 (France)
Country of Origin:
France
Language:
French
Other Identifying Numbers:
TRN: FR05R2801115147
Availability:
Available from INIS in electronic form
Submitting Site:
FRN
Size:
41 pages
Announcement Date:
Jan 07, 2006

Citation Formats

Seguin, M. General views about specimen irradiations in reactors; Considerations generales sur'les irradiations d'echantillons dans les reacteurs. France: N. p., 1965. Web.
Seguin, M. General views about specimen irradiations in reactors; Considerations generales sur'les irradiations d'echantillons dans les reacteurs. France.
Seguin, M. 1965. "General views about specimen irradiations in reactors; Considerations generales sur'les irradiations d'echantillons dans les reacteurs." France.
@misc{etde_20680257,
title = {General views about specimen irradiations in reactors; Considerations generales sur'les irradiations d'echantillons dans les reacteurs}
author = {Seguin, M}
abstractNote = {Specimen irradiation of fissile or non-fissile materials, carried out under circumstances becoming more and more severe and in reactor of increasing flux bas led to an evolution of irradiation rigs. A survey of the problems arising from irradiating under these various circumstances leads to conclude that it is possible to devise one capsule type suitable to every particular case, and that in a wide temperature range. Consequently, once the various irradiation-parameters known, a general method of calculation can be followed so as to determine the various sizes of the parts constituting the capsule. These theoretical calculations might sometimes be corrected through benefits gained from previous irradiations. Similarly, practical experimentation might allow to foresee more handy assembling of the capsule, specimen loading-and unloading being easier at the same time. (author) [French] L'irradiation d'echantillons, fissiles ou non fissiles, dans des conditions imposees de plus en plus strictes et dans des reacteurs a flux de plus en plus eleve, a eu pour consequence une evolution dans la conception des dispositifs d'irradiation. Lorsqu'on examine les problemes souleves par ces differentes irradiations, on en conclut qu'il est possible de concevoir un type de capsule capable de donner satisfaction dans chaque cas particulier, et ce, dans une tres large gamme de temperature. Par consequent, les differents parametres de l'irradiation etant connus, une methode generale de calcul peut etre suivie pour determiner les differentes cotes des pieces constitutives de la capsule. Ces calculs theoriques devront quelquefois etre corriges grace aux enseignements tires d'irradiations precedentes. De meme, l'experience acquise permettra d'envisager un montage plus aise de la capsule, tout en facilitant l'enfournement et le defournement des echantillons.}
place = {France}
year = {1965}
month = {Jul}
}