Phenomena Identification and Ranking Tables on High Burnup Fuel Fragmentation, Relocation, Dispersal, and Its Consequences for Design-Basis Accidents in Pressurized- and Boiling-Water Reactors (NUREG/CR-7307)
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Publication Information
Manuscript Completed: March 2024
Date Published: May 2024
Prepared by:
Vesselin Palazov1, Francis Bolger2, Nathan Capps3, David Kropaczek4, Wade Marcum5, Kurshad Muftuoglu2, Gretar Tryggvason6, and Wolfgang Wiesenack7
| 1Information Systems Laboratories, Inc. Tysons Corner, VA 22182 |
2Electric Power Research Institute Palo Alto, CA 94304 |
| 3Oak Ridge National Laboratory Oak Ridge, TN 37830 |
4Veracity Nuclear Lenoir City, TN 37771 |
| 5Oregon State University Corvallis, OR 97331 |
6Johns Hopkins University Baltimore, MD 21218 |
| 7Halden Reactor Project (retired) Halden, Norway |
James Corson and Shawn Campbell, NRC Project Managers
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington DC 20555-0001
Abstract
This report presents the results from the U.S. Nuclear Regulatory Commission’s expert elicitation effort to develop phenomena identification and ranking tables (PIRTs) in support of addressing technical issues related to fuel fragmentation, relocation, and dispersal (FFRD) and its consequences during design-basis accidents related to the use of extended enrichment (EE) and high burnup (HBU) fuel in domestically operated pressurized- and boiling-water reactors. The developed PIRTs identify phenomena seen as relevant to EE/HBU FFRD and its consequences from a safety viewpoint and assess the importance, level of knowledge, and related uncertainty for the considered phenomena. The PIRTs enhance the agency’s knowledge base related to FFRD and its potential consequences for EE/HBU fuel use.
Page Last Reviewed/Updated Wednesday, June 05, 2024
Page Last Reviewed/Updated Wednesday, June 05, 2024