Neutronic design of the XT-ADS core

Gert Van den Eynde, Edouard Malambu Mbala, Hamid Aït Abderrahim, Didier De Bruyn, Gérald Rimpault, Dankward Struwe, Ron Dagan, Madalina-Corina Badea, Yuriy Romanets, Mari-Carmen Vicente

    Research outputpeer-review

    Abstract

    The EUROTRANS project is an integrated project in the 6th European Framework Program in the context of Partitioning and Transmutation (P&T). The objective of this project is the step-wise approach to a European
    Transmutation Demonstration. This project aims to deliver an advanced design of a small-scale Accelerator Driven System (ADS), XT-ADS, as well as the conceptual design of a European Facility for Industrial Transmutation, EFIT. The main objectives of the XT-ADS are: demonstration of the ADS concept, provide a test facility for transmutation and provide irradiation possibilities in conditions representative for EFIT operating conditions. The latter allows the use of the XT-ADS as a structural material testing facility as well as
    an aid for the fuel qualification for EFIT. The XT-ADS core is based on MOX fuel with relatively high Pucontent and is cooled using a Lead-Bismuth Eutectic (LBE). The combination of these two components results in a fast spectrum core. Using both stochastic and deterministic neutronic codes, a core is designed which can house up to eight experimental positions, the in-pile-positions, which are accessible through the cover of the reactor. This allows for retrieval during cycles but also the possibility to design dedicated irradiation loops. A five-step outward-to-inward reshuffling scheme allows a flexible operation of the machine.
    Original languageEnglish
    Title of host publicationInternational conference on Physics of Reactors 2008
    Subtitle of host publicationPHYSOR 08
    Place of PublicationInterlaken, Switzerland
    Pages2110-2115
    Number of pages6
    EditionPHYSOR 08
    StatePublished - 2011

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