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Mitenkova, E.F.; Novikov, N.V.; Gadzhiev, G.I.; Syuzyov, V.N.
American Nuclear Society, Inc., 555 N. Kensington Avenue, La Grange Park, Illinois 60526 (United States)2010
American Nuclear Society, Inc., 555 N. Kensington Avenue, La Grange Park, Illinois 60526 (United States)2010
AbstractAbstract
[en] Metal (U-Pu-Zr) fuel compositions are considered as a perspective fuel for next generation of sodium fast breeder reactors. Studies of irradiated eFA have shown high working capacity of the fuel elements with (U-10Zr) and (U- 18Pu-10Zr) fuel. Increase in FE diameter occurs basically due to cladding material swelling; there is practically no pressure upon cladding by the fuel. FE operational life is defined by dislocation per atom in constructional materials and gas cavity height for fission products to be not less than core height. Comparative analysis of experimental and calculated results of irradiated (U-Pu-Zr) fuel in BOR-60 reactor is discussed. Analysis results include neutron spectra, reaction rates, Kr and Xe accumulation in fuel. Estimated calculations of basic neutronic characteristics are provided for model of high-power sodium fast reactor with (U-Pu-Zr) fuel. Preliminary estimations of isothermal temperature coefficients of reactivity, sodium void worth, BR, etc. along with high negative fuel expansion reactivity coefficients provide the possibility for developing safe high power fast reactor with (U-Pu-Zr) fuel. Neutronic calculations are made using MONTEBURNS-MCNP-ORIGEN codes and nuclear data libraries being compiled from ENDF/B-VII and JENDL 3.3. (authors)
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2010; 12 p; American Nuclear Society - ANS; La Grange Park, Illinois (United States); PHYSOR 2010: Advances in Reactor physics to Power the Nuclear Renaissance; Pittsburgh, PA (United States); 9-14 May 2010; ISBN 978-0-89448-079-9;
; Country of input: France; 9 refs.

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Book
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Conference
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ALKALI METALS, BREEDER REACTORS, CRYSTAL DEFECTS, CRYSTAL STRUCTURE, DEPOSITION, DIMENSIONS, ELEMENTS, ENERGY SOURCES, ENRICHED URANIUM REACTORS, EPITHERMAL REACTORS, EXPERIMENTAL REACTORS, FAST REACTORS, FBR TYPE REACTORS, FUELS, ISOTOPES, KINETICS, LINE DEFECTS, LIQUID METAL COOLED REACTORS, LMFBR TYPE REACTORS, MATERIALS, METALS, POWER REACTORS, RADIOACTIVE MATERIALS, REACTIVITY COEFFICIENTS, REACTOR COMPONENTS, REACTOR MATERIALS, REACTORS, RESEARCH AND TEST REACTORS, SODIUM COOLED REACTORS, SPECTRA, SURFACE COATING
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