Appendix A3: 235 U-Fueled and Pb-Zoned ADS
Core
A3.1 Core Configurations
See (Figs. A3.1, A3.2, A3.3, A3.4 and A3.5).
4
5
6
7
8
9
10 11 12 13
14 15 16
17 18 19 20 21 22
23 24 25 26
A
G r G r G r G r
G r G r G r G r G r G r
G r G r G r
G r G r G r G r G r G r
G r G r G r G r
F
B
G r
Gr
D
G r
Gr
f
E
G r
Gr
G G r
Gr
p
H
G r
p
p
p
p
p
p
p
p
p
p
G r
I
G r
p
p
p
p
p
p
p
p
p
p
G r
J
G r
p
p
p
p
p
p
p
p
p
p
p
G r
K
G r
p
p
F
F
F
F
F
p
p
Gr
Gr
L
G r
p
p
p
F
f
f
f
F
p
p
p
G r
M G r
p
p
p
F
f
f
f
F
p
p
p
G r
O G r
p
p
F
f
f
f
F
p
p
G r
Q G r
p
p
p
F
F
F
F
F
p
p
G r
R
G r
p
p
p
F
F
F
F
F
p
p
p
G r
T
G r
p
p
F
F
F
F
F
p
p
G r
U
G r
p
p
p
p
F
F
F
p
p
p
p
G r
V
G r
p
p
p
p
p
p
p
p
p
p
p
G r
W G r
p
p
p
p
p
p
p
p
G r
X
G r
p
p
p
p
p
p
p
p
G r
Y
G r
G r
G r
G r
Z
G r
G r
G r
G r
Z' Gr Gr Gr Gr
Gr Gr Gr Gr Gr
Gr Gr Gr Gr Gr Gr
Gr Gr Gr Gr
Aluminum sheath
Normal fuel (1/8"p60EUEU)
Special fuel (1/8"Pb40p20EUEU)
Polyethylene moderator
Deuterion beam
Neutron source (Am-Be)
Fission chamber
Uncompensated ionization chamber
Polyethylene reflector
Graphite
Tritumu target
1/2"φ BF-3 detector
Optical fiber
Control rod
Safety rod
FC#2
N
N
FC
UIC
S
C
C2
C3
S5
S6
FC#3
UIC#5
FC#1
UIC#4
UIC#6
S4
C1
Optical fiber #1
Optical fiber #2
Optical fiber #3
BF-3 detector #1
BF-3 detector #2
BF-3 detector #3
BF-3 detector #4
LiCaf fiber
Fig. A3.1 Top view of U-Pb zoned core configuration with 14 MeV neutrons (Ref. [1])
© The Editor(s) (if applicable) and The Author(s) 2021
C. H. Pyeon (ed.), Accelerator-Driven System at Kyoto University Critical Assembly,
https://doi.org/10.1007/978-981-16-0344-0
281