Modeling of SPERT IV Reactivity Initiated Transient Tests in EUREKA-2/RR Code

Table 4

Kinetic parameters used for SPERT IV transient analysis.

Parameters	Values
Moderator temperature feedback coefficient (20–35°C)	−1.2
Void feedback coefficient	−41.5 /% decrease in moderator density
Prompt neutron lifetime	6.4 × 10^−5 sec
Effective delayed neutron fraction (—)	0.0069