A Nuclear Reactor Transient Methodology Based on Discrete Ordinates Method

Table 8

Normalized power versus time with different time step in TWIGL problem during ramp perturbation.

	0.02 ms	0.05 ms	0.1 ms	0.5 ms	Reference
0 s	1	1	1	1	1
0.1 s	1.313	1.313	1.312	1.309	1.307
0.2 s	1.976	1.976	1.975	1.952	1.957
0.3 s	2.096	2.097	2.097	2.091	2.074
0.4 s	2.114	2.114	2.115	2.114	2.096
0.5 s	2.132	2.132	2.133	2.123	2.109
Calculation time (s)	83	42	24	9