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    STP1603

    The Bases for WWER Vessel Surveillance Programs: General Requirements

    Published: 2018


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    Abstract

    Water-water energetic reactors (WWERs) are in principle pressurized water reactors (PWRs), but they are designed, manufactured, and operated according to the former Russian rules, standards, and requirements. Their surveillance specimen programs are designed, manufactured, operated, tested, and evaluated with the same aim but with some differences resulting from the different codes and approaches. This paper describes the main requirements of codes and rules for WWER surveillance program design, manufacturing, operation, testing, and test result evaluation and compare them with those for light water reactors.

    Keywords:

    WWER, reactor pressure vessel, surveillance specimen program, embrittlement trend curve, codes and rules, surveillance specimen testing, surveillance test data evaluation, neutron fluence, WWER-440, WWER-1000, VERLIFE


    Author Information:

    Brumovský, Milan
    ÚJV Řež, a. s., Division of Integrity and Technical Engineering, Rez


    Committee/Subcommittee: E10.02

    DOI: 10.1520/STP160320160161