Pressurized thermal shock tests with model pressure vessels

Heli Talja, Heikki Keinänen, Rauno Rintamaa, Ralf Ahlstrand, Pekka Nurkkala, Georgy Karzov, Alexander Blumin, Boris Timofeev

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific


    Pressurized thermal shock experiments are performed in the Prometey Institute for the purpose of investigating the behaviour of surface flaws under pressurized water reactor overcooling accident conditions. The model pressure vessels are made of a steel 15X2MFA. The specific aim of the tests is to determine whether a surface flaw would be critical during a very severe pressurized thermal shock loading, and how well this situation can be predicted. In the tests with the second vessel the effect of the cladding on the fracture behaviour is studied. The preliminary finite-element analyses for the tests with the first model vessel and the pre-test analyses for the test with the second model vessel were presented in this paper.
    Original languageEnglish
    Title of host publication18. MPA seminar on safety and reliability of plant technology
    Subtitle of host publicationSafety aspects for long operational life and new reactor concepts
    Place of PublicationStuttgart
    Publication statusPublished - 1992
    MoE publication typeB3 Non-refereed article in conference proceedings
    Event18th MPA-seminar Safety and Reliability of Plant Technology - Stuttgart, Germany
    Duration: 8 Oct 19929 Oct 1992


    Seminar18th MPA-seminar Safety and Reliability of Plant Technology


    Dive into the research topics of 'Pressurized thermal shock tests with model pressure vessels'. Together they form a unique fingerprint.

    Cite this