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

SUB-CHAPTER : 16.2PRE-CONSTRUCTION SAFETY REPORTPAGE : 180 / 295CHAPTER 16: RISK REDUCTION AND SEVEREACCIDENT ANALYSESDocument ID.No.UKEPR-0002-162 Issue 04SUB-SECTION 16.2.2.4 – FIGURE 8Composition of the oxidic melt at the end of the retention in the pit obtained for thevarious cases investigated in the parametric study (in % by weight - top, and molarfraction- bottom) [Ref].Core Oxides: UO 2 , ZrO 2 Concrete Oxides: Al 2 O 3 , CaO, MgO Iron Oxides: FeO, Fe 2 O 31009080Composition of Oxide Melt, wt%706050403020U+ZrCr2O3Concrete OxidesIron-OxidesSiO2Core Oxides10040%E-L40%L-L60%E-LCase60%L-L80%E-L80%L-L80%E-M80%L-M100%90%80%70%Molar fraction60%50%40%30%Cr2O3Concrete OxidesIron OxidesSiO2Core Oxides20%10%0%Standard-40-L40%E-L40%L-L60%E-L60%L-L80%E-L80%L-L80%E-M80%L-M