ML22224A202
| ML22224A202 | |
| Person / Time | |
|---|---|
| Site: | Hermes File:Kairos Power icon.png |
| Issue date: | 08/12/2022 |
| From: | Kairos Power |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML22224A199 | List: |
| References | |
| KP-NRC-2208-003 | |
| Download: ML22224A202 (1) | |
Text
PreliminarySafetyAnalysisReport
AccidentAnalysis
KairosPowerHermesReactor 1322 Revision0 Table13.11:AcceptanceCriteriaforFiguresofMerit FigureofMerit AcceptanceCriterion ApplicableEvents PeakTRISOtemperaturetime Generallyboundedbytemperature timecurvesderivedfromthe assumedMHAfueltemperature timecurve SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak, Seismic,PHXTubeBreak PeakTRISOtemperature timeTRISOfailureprobability BelowincrementalNegligibleTRISO fuelfailuretemperatureprobability SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak, PHXTubeBreak PeakFlibecovergasinterfacial temperature Generallyboundedbytemperature timecurvesderivedfromthe assumedMHAFlibecovergas interfacialtemperaturetimecurve
SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak, PHXTubeBreak Peakvesselandcorebarrel temperatures Boundedbyboththemaximum allowabletemperaturederivedto limitexcessivecreepdeformation anddamageaccumulationandby 816°C(highesttemperature consideredbyASMESectionIII Division5for316H)
SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak, PHXTubeBreak Airbornereleasefractionof spilled/splashedFlibe Belowairbornereleasefraction limitderivedtoboundtotalreleases ofthepostulatedeventtolessthan theMHA SaltSpill,Seismic,PHX TubeBreak Volatileproductformationfrom Flibeairreaction Negligibleamountofadditional volatileproductsformed SaltSpill,PHSSbreak,PHX TubeBreak Volatileproductformation fromFlibechemicalreactionwith water,concrete,and/or constructionmaterials(e.g.,
insulation,steel)
Negligibleamountofadditional volatileproductsformed SaltSpill Volatileproductformationfrom Flibechemicalreactionwith nitrate Negligibleamountofadditional volatileproductsformed PHXTubeBreak