Westinghouse high-burnup experience
Journal Article
·
· Transactions of the American Nuclear Society
OSTI ID:552365
- Westinghouse Electric Corp., Pittsburgh, PA (United States)
To enhance nuclear plant fuel economy, utilities are requiring the fuel to operate under increasingly demanding conditions. Upratings, longer fuel cycles, and more aggressive fuel management have all led to higher burnups. Maximum batch discharge burnups have increased by >20% in the past few years, from the low 40 GWd/tonne U range in the early 1990s to >50 GWd/ tonne U at the present time. Although no fuel integrity issues have been observed in this time frame that have been directly related to increased fuel burnup, two burnup-related performance issues being actively investigated are incomplete rod cluster control assembly (RCCA) insertion (IRI) and fuel rod cladding corrosion.
- OSTI ID:
- 552365
- Report Number(s):
- CONF-971125--
- Journal Information:
- Transactions of the American Nuclear Society, Journal Name: Transactions of the American Nuclear Society Vol. 77; ISSN 0003-018X; ISSN TANSAO
- Country of Publication:
- United States
- Language:
- English
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