The probability of liner failure in a Mark-I containment, Part 1: probabilistic framework and results
Journal Article
·
· Nuclear Technology; (United States)
OSTI ID:6440625
- Univ. of California, Santa Barbara (United States)
- U.S. Nuclear Regulatory Commission, Washington, DC (United States)
An integrated analysis of Mark-I liner attack in a postulated core-melt accident is presented. The approach consists of the mechanistic treatment of the sequence of physical phenomena that lead to liner contact by corium debris and their coupling through a probabilistic framework that allows representation of uncertainties. A physically consistent treatment in each sequence is emphasized, but qualitatively different scenarios to represent the range of behavior due to model uncertainties are allowed. The results are presented in a format that allows their direct use in probabilistic risk assessments; in particular, expert opinion is incorporated by a new methodological approach that involves expert review of, and comment on, a fully documented study all under one cover. The study itself is presented in three parts here; the expert inputs can be found in NUREG/CR-5423.
- OSTI ID:
- 6440625
- Journal Information:
- Nuclear Technology; (United States), Journal Name: Nuclear Technology; (United States) Vol. 101:3; ISSN 0029-5450; ISSN NUTYBB
- Country of Publication:
- United States
- Language:
- English
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WATER MODERATED REACTORS