A Digital Controller for Reactivity Monitoring and Power Control

Table 1

Kinetic parameters of the DNRR with LEU core.

Family, i	Decay constant, λi (s^−1)	Relative yield, ai = βi/β	Effective yield, βi
1	1.334E − 02	3.507E − 02	2.648E − 04
2	3.273E − 02	1.804E − 01	1.363E − 03
3	1.208E − 01	1.742E − 01	1.315E − 03
4	3.030E − 01	3.843E − 01	2.902E − 03
5	8.503E − 01	1.594E − 01	1.204E − 03
6	2.856E + 00	6.666E − 02	5.033E − 04
Total delayed neutron fraction, βeff			7.551E − 03
Prompt neutron life time, l			8.925E − 05

Read as 2.648 × 10⁻⁴.