Impacts of reactivity feedback uncertainties on inherent shutdown in innovative designs
Conference
·
· Trans. Am. Nucl. Soc.; (United States)
OSTI ID:6907194
The concept of inherent shutdown is emphasized in the approach to the design of innovative, small pool-type liquid-metal reactors (LMRs). This paper reports an evaluation of reactivity feedback uncertainties used in the analyses of anticipated transients without scram for innovative LMRs, and the associated impacts on safety margins and inherent shutdown success probabilities on unprotected loss-of-flow (LOF) events. It then assesses the ultimate importance of these uncertainties on LOF and transient overpower events in evolving metal and oxide innovative designs.
- Research Organization:
- Argonne National Lab., IL
- OSTI ID:
- 6907194
- Report Number(s):
- CONF-861102-
- Journal Information:
- Trans. Am. Nucl. Soc.; (United States), Journal Name: Trans. Am. Nucl. Soc.; (United States) Vol. 53; ISSN TANSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
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210500 -- Power Reactors
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COOLING SYSTEMS
DESIGN
ELEMENTS
ENERGY SYSTEMS
FAILURES
KINETICS
LIQUID METAL COOLED REACTORS
LOSS OF FLOW
METALS
POWER-COOLING-MISMATCH ACCIDENTS
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REACTOR ACCIDENTS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
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REACTOR SHUTDOWN
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SAFETY
SHUTDOWNS
SODIUM