Online measurement of parameters relevant for ADS monitoring : experimental technique validation in MASURCA
Résumé
To operate systems such as ADSs, kinetics parameters will have to be monitored. It is one of the aim of the MUSE experimental program to investigate techniques to do so. Taking advantage of piloting the accelerator GENEPI coupled to the MASURCA reactor it is possible, by varying suddenly the source intensity from a high to a low level, to access the ρ/βeff parameter. Together with a measurement of the prompt multiplication factor kp it is then possible to obtain the absolute values of βeff and keff of the reactor. This method applied for two reactivity levels shows very good agreement with classical measurements performed in critical configurations.
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