DOE OSTI · 1894697
System Study: High-Pressure Core Spray 1998-2020
Abstract
This report presents an unreliability evaluation of the high-pressure core spray (HPCS) at eight U.S. commercial boiling water reactors. Demand, run hour, and failure data from 1998–2020 for selected components were obtained from the Institute of Nuclear Power Operations (INPO) Industry Reporting and Information System (IRIS), formerly the INPO Consolidated Events Database (ICES). The unreliability results are trended for the most recent 10 year period while yearly estimates for system unreliability are provided for the entire active period. No statistically significant increasing or decreasing trends were identified in the HPCS results.
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Ma, Zhegang. 2022-03-01. System Study: High-Pressure Core Spray 1998-2020. https://doi.org/10.2172/1894697
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