A Procedure to Address the Fuel Rod Failures during LB-LOCA Transient in Atucha-2 NPP

Table 3

Main outcomes from the analysis: zones 1, 4, and 5.

Parameter	Average Zone 1	Average Zone 4	Average Zone 5	Max
T cladding [°C]	579.7	841.0	823.5	959.5
T Fuel cl [°C]	760.7	1595.8	1625.4	1860.7
Enthalpy [cal/g]	45.0	83.7	83.7	99.1
Gap P [MPa]	5.7	7.3	7.5	7.74
FGR [%]	1.9	0.2	0.2	3.17
Gap width [μm]	58.8	47.2*	50.6	60.0
Cladding outer radius [mm]	6.46	6.48	6.47	7.6
ECR [%]	0.45	0.42	0.40	0.58
Ox Thick. [μm]	3.25	3.06	2.92	4.24

*Rod no. 267_BL21 excluded from the calculation of the average and maximum.