Assessment of Severe Accident Management for Small IPWR under an ESBO Scenario

Figure 5

Temperature distribution of the core in no depressurization. (a) Partial oxidation at 7710 s. (b) Extensive oxidation at 10500 s. (c) Beginning to melt at 12075 s. (d) Molten pool formation at 12,090 s. (e) Molten pool expanding at 12,300 s. (f) Corium relocation at 12,975 s.

(a)

(b)

(c)

(d)

(e)

(f)