Reactivity estimation of UTR-KINKI subcritical cores; Estimation based on power profile in quasi-steady state

Yamane, Yuichi  ; Araki, Shohei   ; Sakon, Atsushi*

A new reactivity estimation method was applied to the data obtained from some subcritical cores of UTR-KINKI for comparison to other existing methods. The estimated reactivity value for about several dollars subcritical cores by using the method based on the power profile in quasi-steady state showed almost the same result as other methods such as Feynman- and source jerk.