Estimation of the vitrified canister production for a PWR fleet with the CLASS code - Archive ouverte HAL
Communication Dans Un Congrès Année : 2021

Estimation of the vitrified canister production for a PWR fleet with the CLASS code

Résumé

This article presents an assessment of fuel cycle parameter impact on waste production through the prism of vitrified container and minor actinide masses, using a scenario simulated with the CLASS code. The number of canister introduces a new focus on waste production estimation for a nuclear fleet, as it helps to set the repository size for deep geological disposal of high level waste. To evaluate the number of canisters, dedicated developments to model a simplified waste vitrification unit in the CLASS package are presented. It relies on artificial neural network estimations of decay heat, α radiation and mass content, for different material flow coming from reprocessing and sent to vitrification. Then, the studied scenario considers a transition from a PWRs plutonium mono-recycling fleet to a plutonium multi-recycling fleet. Vitrified waste container production is calculated as a function of different material reprocessing options. Simulations shows that up to 19% variation may be observed (in 2060) in canisters’ total number depending on the different assumptions. Impact of vitrification parameters such as the size of buffer before vitrification is also analysed and the importance of mixing material coming from MOX and MIX spent fuels with material from UOX spent fuels is clearly established.

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Physique [physics]

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https://hal.science/hal-03472640

Soumis le : jeudi 9 décembre 2021-14:19:00

Dernière modification le : mardi 17 septembre 2024-15:57:08

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Dates et versions

hal-03472640 , version 1 (09-12-2021)

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Léa Tillard, Xavier Doligez, Gérald Senentz, Marc Ernoult, Jiali Liang, et al.. Estimation of the vitrified canister production for a PWR fleet with the CLASS code. Technical Workshop on Fuel Cycle Simulation 2021, Jun 2021, Online, France. pp.21, ⟨10.1051/epjn/2021020⟩. ⟨hal-03472640⟩

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IN2P3 UNIV-NANTES SUBATECH CNRS UNIV-PARIS-SACLAY IMT-ATLANTIQUE IJCLAB SUBATECH-SCENARIO GS-PHYSIQUE INSTITUT-SCIENCES-LUMIERE IJCLAB-ENERGIE-ENVIRONNEMENT NANTES-UNIVERSITE INSTITUT-MINES-TELECOM
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