298
Appendix A3: 235 U-Fueled and Pb-Zoned ADS Core
A3.2.1.6 Case D5 (4080 HEU Plates)
See (Tables A3.22, A3.23, A3.24, A3.25 and A3.26).
Table A3.22 Core condition in Cases D5-1 to Case D5-3 (4080 HEU plates) (Ref. [1])
Case
C1
C2
A3
S4
S5
S6
k eff
D5-1
1200.00
1200.00
1200.00
1200.00
1200.00
1200.00
0.95560
D5-2
1200.00
1200.00
1200.00
1200.00
1200.00
1200.00
0.95560
D5-3
1200.00
1200.00
1200.00
1200.00
1200.00
1200.00
0.95560
Table A3.23 Beam characteristics of 14 MeV neutrons in Cases D5-1 to D5-3 (Ref. [1])
Case
Frequency (Hz)
Width (μs)
Current (mA)
D5-1
20
90
0.20
D5-2
50
90
0.20
D5-3
100
90
0.20
Table A3.24 Measured results of α [s −1 ] and ρ [$] in Case D5-1 (Ref. [1])
α [s −1 ]
ρ [$]
Detector
Feynman-α
α-fitting
Area (Sjostrand) Area (Gozani)
BF-3 #1 (Ch#1) 1143.72 ± 17.67 1150.34 ± 15.00 3.641 ± 0.084
5.436 ± 0.178
BF-3 #2 (Ch#2) 1203.76 ± 15.21 1148.70 ± 13.09 3.642 ± 0.038
5.329 ± 0.103
BF-3 #3 (Ch#3) 1188.02 ± 6.15
1186.95 ± 9.38
3.608 ± 0.023
4.849 ± 0.064
BF-3 #4 (Ch#4) 2957.04 ± 86.78 1291.39 ± 30.21 2.618 ± 0.012
2.543 ± 0.087
Fiber #1 (Ch#5) –
–
1.948 ± 0.006
0.457 ± 0.003
Fiber #2 (Ch#6) –
–
1.900 ± 0.002
0.449 ± 0.001
Fiber #3 (Ch#7) –
–
–
–
Table A3.25 Measured results of α [s −1 s] and ρ [$] in Case D5-2 (Ref. [1])
α [s −1 ]
ρ [$]
Detector
Feynman-α
α-fitting
Area (Sjostrand) Area (Gozani)
BF-3 #1 (Ch#1) 1093.68 ± 23.47 1167.71 ± 14.40 3.957 ± 0.093
6.047 ± 0.192
BF-3 #2 (Ch#2) 1193.46 ± 17.93 1162.44 ± 12.44 4.073 ± 0.044
6.133 ± 0.114
BF-3 #3 (Ch#3) 1138.36 ± 8.72
1185.21 ± 9.52
3.596 ± 0.024
4.733 ± 0.063
BF-3 #4 (Ch#4) –
1337.28 ± 29.46 2.558 ± 0.011
2.303 ± 0.077
Fiber #1 (Ch#5) –
–
2.260 ± 0.005
–
Fiber #2 (Ch#6) 823.99 ± 179.48 –
2.187 ± 0.003
0.451 ± 0.001
Fiber #3 (Ch#7) –
–
–
–