Modelling long term performances of minor actinide fuel targets in the experimental ADS MYRRHA

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Since 1997, the Belgian Nuclear Research Centre SCK•CEN has been performing the pre-design studies of a small subcritical ADS called MYRRHA which could be a step towards a European experimental transmuter XT-ADS. Development of new tools which can allow prognosis of the behaviour of advanced non-uranium fuels in MYRRHA is an important part of this project. Recently, the fuel performance code MACROS-II has been developed at SCK•CEN for this goal. In the present article, some results of the preliminary modelling of a long term thermomechanical behaviour of two fuel-target pins, filled with pellets containing (Cm0.1Am0.5Pu0.4)O1.88 oxide fuel dissolved either in MgO, or in ZrO2 matrix, and placed in the MYRRHA core for 6 cycles (540 EFPD) are presented and compared with the behaviour of a driver MOX pin.


Original languageEnglish
Title of host publicationAdvanced reactors with innivative fuels. Proceedings of the 3rd workshop.
Place of PublicationParis, France
Publication statusPublished - Dec 2009
EventARWIF 2005 - Advanced Reactors With Innovative Fuels - NEA - Nuclear Energy Agency, Oak Ridge, Tennessee, United States
Duration: 16 Feb 200518 Feb 2005

Publication series

NameNuclear Science


ConferenceARWIF 2005 - Advanced Reactors With Innovative Fuels
Country/TerritoryUnited States
CityOak Ridge, Tennessee


  • Minor actinide, fuel, transmutation, ADS, MYRRHA, XT-ADS

ID: 214911