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Directional Immobilisation of SpyTag Bacteriophage on PDMS surfaces for Phage based Microfluidics
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Criticality safety analysis for a core catcher designed in Korea
Progress in Nuclear Energy, 2012Abstract Corium is a molten mixture of portions of a reactor core generated by a core melting accident. Corium includes fissionable materials; therefore, a criticality safety analysis must be performed for the core catcher design. This study analyzes the criticality safety of corium arranged in a core catcher developed in Korea.
Song Hyun Kim +2 more
exaly +2 more sources
New sacrificial material for ex-vessel core catcher
Journal of Nuclear Materials, 2015Abstract A new functional (sacrificial) material has been developed in the Fe 2 O 3 –SrO–Al 2 O 3 –CaO system based on strontium hexaferrite ceramic in concrete matrix. The method of producing SM has been advanced technologically; this technological effectiveness allows the SM to be used in ex-vessel core catchers with corium spreading as well as in ...
Andrei A Komlev +2 more
exaly +2 more sources
Conceptual design of an in-vessel core catcher
Nuclear Engineering and Design, 2004An enhanced in-vessel core catcher is being designed and evaluated as part of a joint United States (US)–Korean International Nuclear Energy Research Initiative (INERI) investigating methods to insure retention of materials that may relocate to the lower head of a reactor vessel under severe accident conditions in advanced reactors.
J.L. Rempe +5 more
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Studies for the Staggered Pans Core Catcher
Nuclear Technology, 1995Special devices (core catchers) might be required in the future to prevent containment failure by basemat erosion after reactor pressure vessel melt-through during a core meltdown accident. Quick freezing of the molten core masses is desirable to reduce the release of radioactivity.
Fieg, G., Möschke, M., Werle, H.
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Design of core catchers for sodium cooled FBRs – Challenges
Nuclear Engineering and Design, 2020Abstract The whole core meltdown scenario in sodium cooled fast reactors is considered under design extension criteria and has a very low probability of occurrence. To mitigate such a hypothetical severe accident in fast breeder reactors, a core catcher has been provided to accommodate the core debris within the primary containment boundary.
Vidhyasagar Jhade +9 more
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A Core Catcher Concept and First Experimental Results
18th International Conference on Nuclear Engineering: Volume 3, 2010In a postulated core melt accident, if a molten core is released outside a reactor vessel despite taking mitigation actions, the core debris would relocate in the reactor cavity region and attack the concrete wall and basemat of the reactor cavity. This will potentially result in inevitable concrete decompositions and possible radiological releases. To
Hwan Yeol Kim +4 more
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Demonstration of the heat removing capabilities of the EPR core catcher
Nuclear Engineering and Design, 2005Abstract The EPR implements an additional, fourth level of defense-in-depth that aims at limiting and restricting the consequences of a postulated severe accident with core melting to the immediate vicinity of the plant. As this requires an intact confinement, it is necessary, among others, to avoid an attack of the molten core on the basemat.
M. Fischer, O. Herbst, H. Schmidt
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Development and Design of the EPR™ Core Catcher
2010The EPR™ is an evolutionary pressurized water reactor in the thermal range of 4,500 MWth, designed and marketed by AREVA NP. Currently, there are four EPR™ plants under design and construction: Olkiluoto-3 (OL3) in Finland, Flamanville-3 (FA3) in France, and Taishan 1&2 (TSN) in the People’s Republic of China.
Dietmar Bittermann, Manfred Fischer
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