The abnormal radiation level observed on the upper deck of N. S. Mutsu was caused by neutrons streaming through an annular air gap between the reactor pressure vessel and the primary shield. In order to lower this level, a modification of shielding has been planned, for which a shielding mock-up experiment was carried. The foregoing modifications brought some change to the expected behavior of the reactor plant under ship accident situations, and studies were performed to verify plant safety, such as calculations to determine containment vessel integrity and decay heat removal after sinking, and calculations supported by experiment to ascertain the structural strength of the double bottom upon stranding of the ship. (Stoehr)


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    Titel :

    Shielding repair of N.S. Mutsu and related safety features


    Weitere Titelangaben:

    Reparaturarbeiten an der Abschirmung und damit verbundene Sicherheitsaspekte beim kernkraftgetriebenen Schiff Mutsu


    Beteiligte:
    Kishimoto, K. (Autor:in) / Miyakoshi, J. (Autor:in)


    Erscheinungsdatum :

    1978


    Format / Umfang :

    10 Seiten, 11 Bilder, 1 Tabelle, 8 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Safety studies on lOKA for N.S. Mutsu

    Kawasaki, M. / Yaguchi, S. | Tema Archiv | 1978


    RETRAN safety analyses of the nuclear-powered ship Mutsu

    Naruko, Y. / Ishida, T. / Tanaka, Y. et al. | Tema Archiv | 1983




    Seamen Training for the Nuclear Ship Mutsu

    Sasaki, S. | Tema Archiv | 1973