A Nuclear Reactor Transient Methodology Based on Discrete Ordinates Method

Table 7

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

	0.02 ms	0.05 ms	0.1 ms	0.5 ms	Reference
0 s	1	1	1	1	1
0.1 s	2.101	2.102	2.083	2.091	2.061
0.2 s	2.119	2.120	2.101	2.103	2.078
0.3 s	2.138	2.138	2.119	2.117	2.095
0.4 s	2.156	2.157	2.137	2.138	2.112
0.5 s	2.175	2.176	2.155	2.155	2.13
Calculation time (s)	328	130	27	17