Review of Accident Tolerant Fuel Concepts with Implications to Severe Accident Progression and Radiological Releases (NUREG/CR-7282, ERI/NRC 21-203)
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Publication Information
Manuscript Completed: February 2021
Date Published: July 2021
Prepared by:
Mohsen Khatib-Rahbar, Alfred Krall, Zhe Yuan, and Michael Zavisca
Energy Research, Inc.
P.O. Box 2034
Rockville, MD 20847-2034
S. Campbell, NRC Project Manager
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington DC 20555-0001
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Abstract
The U.S. Nuclear Regulatory Commission (NRC) is preparing for anticipated licensing applications and commercial use of accident tolerant fuel (ATF) in the United States commercial nuclear power reactors. This report documents the results of a literature survey of the various ATF concepts. The literature review covers consideration of ATF designs, fuel enrichment, and fuel burnup. This review is aimed at identifying fuel/cladding behavior, degradation, and radiological release and transport phenomena that can potentially be impacted by ATF design, enrichment, and burnup, for application of severe accident models to these designs. This report is intended to serve as the basis for the development of a Phenomena Identification and Ranking Tables (PIRTs) for various near-term ATF design concepts. It is found that the available literature is much more complete with respect to ATF design characteristics than with respect to the behavior of ATFs, fuel enrichment and burnup under severe accident conditions.
Page Last Reviewed/Updated Monday, August 30, 2021