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The tomographic maximum entropy method in the ananlysis of nuclear fuel pins

Domenii publicaţii > Fizica + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: A. Alexa, T. Craciunescu, Gh. Mateescu, R. Dobrin

Editorial: Journal of Nuclear Materials, 218, p.139-142, 1995.


A tomographic maximum entropy method is used to reconstruct the 3-D distribution of radioactive fission products in irradiated CANDU type fuel pins. The method has been implementated using a system similar to a single photon emission medical tomograph. It is used to study the behaviour of the nuclear fuel during irradiation and also for a Monte-Carlo simulation of the process of emission of gamma rays in order to improve the burn-up estimation. Experimentally results are reported to demonstrate the usefulness of the method in these kind of investigations.

Cuvinte cheie: nuclear fuel, tomography