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WWER-1000 core loading characteristic influence on irradiation conditions of surveillance specimens and reactor pressure vessel
V. N. Bukanov, V. L. Diemokhin, O. V. Grytsenko, O. G. Vasylieva, S. M. Pugach
Institute for Nuclear Research, National Academy of Sciences of Ukraine, Kyiv, Ukraine
Abstract: Irradiation conditions of WWER-1000 surveillance specimens and reactor pressure vessel are comparatively analyzed for various core loadings. It is proved that the fluences onto specimens don't correlate with ones onto pressure vessel. It is shown that the reconstitution technique using to surveillance specimens of the standard program implemented at the most of the power units with WWER-1000 allows obtaining reliable information on the reactor pressure vessel metal state.
References:1. Grytsenko O. V., Bukanov V. N., Dyemokhin V. L. et al. Dosimetry of Surveillance Specimens Irradiated at WWER-1000 Reactor. Current Problems in Nuclear Physics and Atomic Energy: Proc. of Int. Conf., Kyiv, 29 May - 3 June, 2006 (Kyiv, 2007) Part II, p. 686.
2. Bukanov V. N., Dyemokhin V. L., Gavriljuk V. I. et al. Overview of the Surveillance Dosimetry Activities in Ukraine. Reactor Dosimetry: Radiation Metrology and Assessment, ASTM STP 1398: Proc. 10th Int. Symp. on Reactor Dosimetry (ASTM, West Conshohocken, PA, 2001) p. 61. https://doi.org/10.1520/STP13580S
3. Bukanov V. N., Dyemokhin V. L., Korinny A. A. Use of low neutron leakage fuel loads to decrease the radiation load on a VVER-1000 vessel. Atomic Energy 101 (2006) 544. https://doi.org/10.1007/s10512-006-0128-y