RESIDUAL HEAT ESTIMATION OF NUCLEAR FUEL IN ENERGY WELL REACTOR

Jana Šošková, Antonio Dambrosio, Guido Mazzini, Marek Ruščák

Abstract


Energy Well (EW) is a concept of a small modular reactor, designed as a source of energy for places with low infrastructure. Its design combines TRISO fuel particles, graphite moderator and molten salt coolant. One of key features is that the active core is small and therefore easy to transport. Residual heat estimation of EW fuel assembly is conducted using two different computation codes, SCALE and SERPENT. The obtained residual heat power is then used as an input in TRACE model of the EW to obtain the development of residual temperature in the coolant in the core inlet and outlet and also maximum temperature on the outer side of a fuel slab. The resulting temperatures are below the operational temperature.

Keywords


Small modular reactor, Energy Well, TRISO fuel, liquid salt FLiBe, SCALE, SERPENT, decay heat.

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ISSN 2336-5382 (Online)
Published by the Czech Technical University in Prague