GOMES, D.S.OLIVEIRA, ANTONELLA C. de2024-12-122024-12-122024GOMES, D.S. An investigation of the performance of triso fuel and molten fluoride salts. In: OLIVEIRA, ANTONELLA C. de (ed.); HOLZMANN, HENRIQUE A. (org.); BILCATI, GÉSSICA K. (org.). <b>Engenharias: desafios e soluções nas múltiplas fronteiras do conhecimento</b>. Ponta Grossa, PR: Atena, 2024. , cap. 19. p. 259-274. DOI: <a href="https://dx.doi.org/10.22533/at.ed.64224240419">10.22533/at.ed.64224240419</a>. Disponível em: https://repositorio.ipen.br/handle/123456789/48765.https://repositorio.ipen.br/handle/123456789/48765Public opinion has reached a growing consensus that nuclear energy could be an inflection point for mitigating global warming and the shortage of natural resources in the future. The energy demand suffers a rapid increase and can duplicate itself up to 2035. Since 2002, Generation IV has researched at least six designs to substitute nuclear power plants with forty years of operation. A fluoride hightemperature reactor is designed to use tri-structural fuel formed of graphite-matrixcoated particles with a mixture of lithium and beryllium fluorides as a coolant, commonly called FLiBe. However, concisely, the heat transfer models applied to nuclear reactors depend on the Prandtl number correlated to coolant and usage conditions. A pebblebed fluoride-salt-cooled high-temperature reactor, Mark-1, comprises a conceptual project developed at Berkeley in 2016. Then, it performs a theoretical analysis of the core reactor, where we review the thermal properties of fuel and coolant. It compares generation-IV reactor design analysis with options such as heavy liquid metals, coolants, molten salt reactors, and conventional fuels.259-274openAccessCapítulo de livro10.22533/at.ed.6422424041919https://orcid.org/0000-0002-2181-8704