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Communication Dans Un Congrès Année : 2018

looking forward for a masurca experimental programme genesis in support to the astrid sfr core

Résumé

The characteristics of the ASTRID core (Advanced Sodium Technological Reactor for Industrial Demonstration) must be determined according to well-defined calculation conditions and accuracies. In order to achieve that goal, several steps are required such as mastering the computation procedures, checking the nuclear data in use and bringing evidence with experiments of the validity of the produced values and their uncertainties. Past experiments will allow a quantification of the uncertainties for core characteristics such as βeff or Doppler, a reduction of the uncertainties due to nuclear data (through assimilation) which might remain insufficient. Therefore, past experiments will not cover all requirements either because of the level of uncertainties or because it will not cover ASTRID core specificities such as sodium void reactivity, control rod worth and power map istribution over the cycle. The MASURCA facility is currently under refurbishment until 2023 and will exhibit improved performances. The future GENESIS experimental programme of the MASURCA facility will take advantage of advanced measurement techniques, on one hand, and the possibility of using fuel with degraded Pu vector to develop a solid knowledge of ASTRID core characteristics.
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Dates et versions

hal-02416226 , version 1 (17-12-2019)

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  • HAL Id : hal-02416226 , version 1

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G. Rimpault, P. Dufay, J. Tommasi, F. Mellier. looking forward for a masurca experimental programme genesis in support to the astrid sfr core. PHYSOR 2018 Reactors Physics paving the way towards more efficient systems, Apr 2018, Cancun, Mexico. ⟨hal-02416226⟩

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