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dc.contributor.authorKELLERBAUER ALBANen_GB
dc.contributor.authorBOTTOMLEY Paulen_GB
dc.contributor.authorFREIS Danielen_GB
dc.contributor.authorRONDINELLA Vincenzoen_GB
dc.contributor.authorVAN UFFELEN Paulen_GB
dc.date.accessioned2011-10-26T00:02:02Z-
dc.date.available2011-10-07en_GB
dc.date.available2011-10-26T00:02:02Z-
dc.date.created2010-12-09en_GB
dc.date.issued2010en_GB
dc.date.submitted2010-09-17en_GB
dc.identifier.citationProceedings of the Annual Meeting on Nuclear Technology 2010 p. 1-5en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC60682-
dc.description.abstractThe operational safety of nuclear power plants remains among the main issues affecting the acceptance of nuclear power in the public eye. Gas-cooled hightemperaturereactors (HTR) feature the remarkable property of being inherently safe against power excursions even under adverse conditions. With a combination of low power density, high thermal mass and high surface-to-power ratio, the core of an HTR can withstand certain accident scenarios without significant mechanical failure and release of fission products. The spherical or prismatic HTR fuel elements are a major component which influences the reactor performance in such accident conditions. Inside the graphite fuel elements, fissile material is contained in the form of thousands of small spheres of fuel enclosed in several coating layers (≈ 1 mm diameter). Modern HTR fuel contains TRISO (tri-structural isotropic) coated particles (CP) covered with a porous carbon buffer layer, two layers of pyrolytic carbon and a layer of ceramic silicon carbide. Together, the coatings provide a barrier against the release of gaseous and volatile fission products both in normal operation and under offnormal conditions.en_GB
dc.description.sponsorshipJRC.E.2-Hot cellsen_GB
dc.format.mediumCD-ROMen_GB
dc.languageENGen_GB
dc.publisherDeutsches Atomforum / Kerntechnische Gesellschaften_GB
dc.relation.ispartofseriesJRC60682en_GB
dc.titleAssessment of high-temperature reactor fuel performance under accident conditionsen_GB
dc.typeArticles in periodicals and booksen_GB
JRC Directorate:Nuclear Safety and Security

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