STP1490

    Sensitivity Analysis and Neutron Fluence Adjustment for VVER-440 RPV

    Published: Jan 2007


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    Abstract

    Adjustment of the neutron fluence on the VVER-440 reactor pressure vessel (RPV) inner wall has been carried out. For the purpose of this adjustment the neutron flux responses' sensitivity to the main parameters of calculation uncertainty has been calculated. The obtained sensitivities, the parameters uncertainty, and activity measurement data of iron, copper, and niobium detectors positioned behind the RPV of Kozloduy NPP Unit 1 have been used in this adjustment.

    Keywords:

    neutron fluence, adjustment, reactor pressure vessel


    Author Information:

    Belousov, Sergey I.
    Senior Research Scientist, Institute for Nuclear Research and Nuclear Energy of Bulgarian Academy of Science, Sofia,

    Ilieva, Krassimira D.
    Senior Research Scientist, Institute for Nuclear Research and Nuclear Energy of Bulgarian Academy of Science, Sofia,

    Matushko, Victor L.
    Senior Research Scientist, Institute for Nuclear Research of Bulgarian Academy of Science, Moscow,


    Paper ID: STP45461S

    Committee/Subcommittee: E10.08

    DOI: 10.1520/STP45461S


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