Civil Engineering Reference
In-Depth Information
Reactor cavity
Oxide core-melt: 103 t UO
2
+ 16 t ZrO
2
= 119 t Oxide
Metallic core-melt: 53 t Fe + 18 t Zr + 11 t Cr + 6.4 t Ni = 88.4 t Metal
Temperature of core-melt 2,400 °C
Fig. 10.15
Core melt in the reactor cavity after melting through the lower head of the reactor
pressure vessel [
78
]
building
sump
reactor cavity
2,400 °C
Fig. 10.16
Penetration of core melt into the concrete of the base-mat of the reactor building
(calculational results of the WECHSL-code) [
64
,
79
]
