Published 1959
| Version v1
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Uranium absorption study pile
- 1. Commissariat a l'Energie Atomique, Saclay (France).Centre d'Etudes Nucleaires
Description
The report describes a pile designed to measure the absorption of fuel slugs. The pile is of graphite and comprises a central section composed of uranium rods in a regular lattice. RaBe sources and BF3 counters are situated on either side of the center. A given uranium charge is compared with a specimen charge of about 560 kg, and the difference in absorption between the two noted. The sensitivity of the equipment will detect absorption variations of about a few ppm boron (10-6 boron per gr. of uranium) or better. (author)
Availability note (English)
Available from INIS in electronic formAbstract (French)
Nous decrivons un dispositif permettant de mesurer l'absorption des elements combustibles d'une pile. Ce dispositif est constitue par un empilement de graphite dont la region centrale est formee par un reseau regulier de barres d'uranium. Des sources de RaBe et des compteurs a BF3 sont places de part et d'autre de cette region. En comparant un chargement d'uranium a un chargement etalon d'environ 560 kg, on peut determiner la difference d'absorption entre ces deux chargements. La sensibilite permettrait de deceler une variation d'absorption de l'ordre du ppm de bore (10-6 g de bore par gramme d'uranium) et peut-etre mieux. (auteur)Files
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Additional details
Additional titles
- Original title (French)
- Empilement pour le controle de l'absorption de l'uranium
Publishing Information
- Imprint Pagination
- 58 p.
- Report number
- CEA-R--1172
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 38073978
- Subject category
- S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; S36: MATERIALS SCIENCE;
- Descriptors DEI
- ABSORPTION; BF3 COUNTERS; BORON; COMPARATIVE EVALUATIONS; COUNTING RATES; FUEL CANS; FUEL RODS; GRAPHITE; IMPURITIES; MATERIALS TESTING; MULTIPLICATION FACTORS; NEUTRON FLUX; PERTURBATION THEORY; POISONING; QUALITY CONTROL; SENSITIVITY; SUBCRITICAL ASSEMBLIES; THERMAL NEUTRONS; URANIUM; WEIGHTING FUNCTIONS
- Descriptors DEC
- ACTINIDES; BARYONS; CARBON; CONTROL; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; ELEMENTS; EVALUATION; EXPERIMENTAL REACTORS; FERMIONS; FUEL ELEMENTS; FUNCTIONS; HADRONS; MEASURING INSTRUMENTS; METALS; MINERALS; NEUTRON DETECTORS; NEUTRONS; NONMETALS; NUCLEONS; PROPORTIONAL COUNTERS; RADIATION DETECTORS; RADIATION FLUX; REACTOR COMPONENTS; REACTORS; RESEARCH AND TEST REACTORS; SEMIMETALS; SORPTION; TESTING
Optional Information
- Notes
- 4 refs.