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Farrugia, J.M.; Nimal, J.C.; Totth, B.; Lloret, R.; Perdreau, R.
CEA Centre d'Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France)1982
CEA Centre d'Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France)1982
AbstractAbstract
[en] Starting with the design of the CAP (Prototype Advanced NSSS), a programme for pressure vessel monitoring has been prepared, including dosimetry. The dosimetry programme encompasses activation dosimeters (Cu, Nb, Co) and fission dosimeters (237Np, 238U) installed either inside the pressure vessel with the monitoring test-samples, or in a counting tube outside the pressure vessel. In the first place, a description of the method for neutronic calculation is given; such calculations use the codes ANISN and MERCURE 4 allowing assessment of the neutron spectrum seen by the detectors and the related reaction coefficient. This is followed by a description of the instrumentation. The initial dosimetry results available after the initial operating cycles concur with calculations
[fr]
A partir de la conception de la CAP (chaufferie Avancee Prototype), on a prepare un programme de surveillance de la cuve, incluant la dosimetrie. Le programme dosimetrie comprend des dosimetres a activation (Cu, Nb, Co) et des dosimetres a fission (237Np, 238U) places soit a l'interieur de la cuve avec les echantillons test ou a l'exterieur dans un tube de comptage. On donne une description des calculs neutroniques qui utilisent les codes ANISN et MERCURE 4. Cela permet d'obtenir le spectre des neutrons vu par les detecteurs et les coefficients de reactions. L'instrumentation est decrite. Les premiers resultats obtenus en dosimetrie apres le cycle de fonctionnement initial soit en accord avec les calculsOriginal Title
Surveillance de la cuve de la CAP. Programme, mesures et calculs neutroniques
Primary Subject
Source
Mar 1982; 10 p; 4. Symposium on reactor dosimetry; Washington, DC (USA); 22 - 26 Mar 1982
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Report
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Conference
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