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16.2 - Severe Accident Analysis (RRC-B) - EDF Hinkley Point

16.2 - Severe Accident Analysis (RRC-B) - EDF Hinkley Point

16.2 - Severe Accident Analysis (RRC-B) - EDF Hinkley Point

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SUB-CHAPTER : <strong>16.2</strong>PRE-CONSTRUCTION SAFETY REPORTCHAPTER 16: RISK REDUCTION AND SEVEREACCIDENT ANALYSESPAGE : 174 / 295Document ID.No.UKEPR-0002-162 Issue 04SUB-SECTION <strong>16.2</strong>.2.4 – FIGURE 2Modelling scheme applied for the generalised sequence of melt release from the reactorpressure vessel [Ref]. Note that, though the figure sketches only the layeredconfiguration of the MCCI pool, the analysis also takes into account a mixedconfiguration.Reactor PressureVesselHeavy ReflectorMetallic MeltMetallic MeltOxidic MeltMetal MeltMetal MeltOxidic MeltMetallic Oxide MeltOxidic MeltCore RegionLower Core Support PlateMetallic MeltMetallic MeltOxidic MeltMetal MeltMetallic Oxide Melt MeltQ RadMetallic MeltMetal MeltOxidic MeltMetallic Oxide Melt MeltQ RadRPV-BottomLower Core Support PlateLower HeadQ RadQ RadSacrificial Concrete(a) (b) (c)

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