314
Appendix A4: 235 U-Fueled ADS Core in Medium-Fast Spectrum
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
8
E
G r
Gr
G G r
Gr
p
r
G
p
p
p
p
p
p
p
p
p
p
r
G
H
r
G
p
p
p
p
p
p
p
p
p
p
r
G
I
r
G
p
p
p
p
p
p
p
p
p
p
p
r
G
J
p
p
r
G
K
F
F
F
F
F
r
G
r
G
p
p
p
p
p
r
G
L
F
F
F
F
F
r
G
p
p
p
p
p
r
G
M
F
F
F
F
F
r
G
p
p
p
p
p
r
G
O
F
F
F
F
F
r
G
p
p
p
p
p
r
G
Q
F
F
F
F
F
r
G
p
p
p
p
p
p
p
r
G
R
8
r
G
p
p
p
p
r
G
p
p
p
p
p
p
p
p
p
p
r
G
S
r
G
p
p
p
p
p
p
p
p
p
p
p
r
G
T
r
G
p
p
p
p
p
p
p
p
r
G
U
r
G
p
p
p
p
p
p
r
G
V
r
G
p
p
p
r
G
r
G
p
r
G
W
r
G
r
G
r
G
r
G
X
r
G
r
G
r
G
r
G
r
G
Y
Z
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
1/2" BF-3 detector
Optical fiber detector
Normal fuel (1/8"p60EUEU)
Graphite
Partial fuel (1/8"p8EUEU)
Aluminum sheath
Polyethylene moderator
Polyethylene reflector
Control rod
Safety rod
Deuterion beam
Neutron source (Am-Be)
Fission chamber
Uncompensated ionization chamber
Tritumu target
FC#2
N
C3
S5
UIC#5
FC#1
UIC#4
N
FC
UIC
S
C
UIC#6
FC#3
S4
C1
C2
S6
BF-3 detector #4
BF-3 detector #3
BF-3 detector #2
BF-3 detector #1
Optical fiber #1
Opcal fiber #2
Optical fiber #3
Optical fiber #4
φ
Fig. A4.1 Core configuration (EE1 core) of ADS with 14 MeV neutrons. (Case 1-D: Critical core;
3016 HEU fuel plates) (Refs. [1–2])