Research Article

Applying UPC Scaling-Up Methodology to the LSTF-PKL Counterpart Test

Table 4

Main events of PKL G7.1 Test.

ā€‰Experimental (s) UPC 1D nodalization (s) UPC pseudo-3D nodalization (s)

Start of the transient 0 0 0
Beginning of core uncovery 940 800 940
Primary pressure below secondary pressure 1020 920 1010
Secondary-side depressurization 1360 1190 1295
Start of accum. injection 1500 1304 1450
ACC injection finished 1860 1712 1752
LPSI started 2060 1966 1993
End of the test 5685 5685 5685