Appendix A2: 235 U-Fueled and Pb–Bi–Zoned ADS Core
261
Fig. A2.4 Schema of an
optical fiber detection system
(Ref. [1])
2mm
1mm
Assembly
Assembly
Al pipe
Remotely controlled
driving motor
0.3mm
PMT
Amp.
SCA
ADC
MCA
MCS
Core
Control room
6 Li
+
ZnS(Ag)
Plastic optical fiber
A2.1.2 Results of Experiments
A2.1.2.1 Reaction Rate Distribution
See (Tables A2.1, A2.2, A2.3, A2.4, A2.5 and A2.6, Figs. A2.5, A2.6, A2.7 and
A2.8).
Table A2.1 Positions of
control and safety rods at the
critical state (Ref. [1])
Rod
Rod position (mm)
C1
676.92
C2
1201.16
A3
1201.43
S4
1200.00
S5
1200.00
S6
1200.00
Excess reactivity [pcm]
180 ± 1
Table A2.2 Control rod
worth (Ref. [1])
Rod
Rod worth [pcm]
C1 (S4)
805 ± 4
C2 (S6)
596 ± 4
A3 (S5)
139 ± 4