Severe Accident Simulation of the Laguna Verde Nuclear Power Plant

Table 2

Severe accident (LOCA) with and without cooling.

Parameter	Without cooling	HPCS injection at 700 s	HPCS injection at 900 s	HPCS injection at 1200 s
Level	Below the core support plate	Below the core support plate. After is recovers	Below the core support plate. After is recovers	Below the core support plate. After is recovers
Pressure	Low by decompression	Low by decompression	Low by decompression	Low by decompression
Maximum surface temperature in the core (K)	3028.00	1640.00 (proper cooling with HPCS)	2960.00 (cooling is not insured with HPCS)	3000.00 (cooling is not insured with HPCS)
Non-condensable fission product (kg)	33.00	0.00	19.00	21.00
Soluble fission product (kg)	18.70	0.00	8.00	11.90
Hydrogen generation (kg)	218.70	30.70	319.50	499.50
Debris bed height (m)	0.36	0.00	0.23	0.21
Core damage (%)	77.70	0.60	37.30	59.40
Control rod damage (%)	82.10	0.00	35.30	52.60