ML22286A243
| ML22286A243 | |
| Person / Time | |
|---|---|
| Site: | Hermes File:Kairos Power icon.png |
| Issue date: | 10/13/2022 |
| From: | Kairos Power |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML22286A240 | List: |
| References | |
| KP-NRC-2210-008 | |
| Download: ML22286A243 (1) | |
Text
PreliminarySafetyAnalysisReport
AccidentAnalysis
KairosPowerHermesReactor 1321 Revision1 Table13.11:AcceptanceCriteriaforFiguresofMerit FigureofMerit AcceptanceCriterion ApplicableEvents PeakTRISOtemperaturetime Generallyboundedbytemperature timecurvesderivedfromthe assumedMHAfueltemperature timecurve SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak, Seismic TRISOfailureprobability NegligibleTRISOfuelfailure probability SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak PeakFlibecovergasinterfacial temperature Generallyboundedbytemperature timecurvesderivedfromthe assumedMHAFlibecovergas interfacialtemperaturetimecurve
SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak Peakvesselandcorebarrel temperatures Boundedbyboththemaximum allowabletemperaturederivedto limitexcessivecreepdeformation anddamageaccumulationandby 750°C(highestvesseltemperature coveredbyqualificationdescription inSection4.3.3)
SaltSpill,Reactivity Insertion,IncreaseinHeat Removal,LossofForced Circulation,PHSSbreak Minimumreactorvesselinner surfacetemperature AboveFlibemeltingtemperature LossofForcedCirculation (overcooling)
Airbornereleasefractionof spilled/splashedFlibe Belowairbornereleasefraction limitderivedtoboundtotalreleases ofthepostulatedeventtolessthan theMHA SaltSpill,Seismic Volatileproductformationfrom Flibeairreaction Negligibleamountofadditional volatileproductsformed SaltSpill,PHSSbreak Volatileproductformation fromFlibechemicalreactionwith water,concrete,and/or constructionmaterials(e.g.,
insulation,steel)
Negligibleamountofadditional volatileproductsformed SaltSpill Masslossofpebblecarbon matrixduetooxidation Masslossdoesnotextendintothe fueledzone SaltSpill,PHSSbreak