Appendix A5: 232 Th-Fueled ADS Core
347
20 19 18 17 16 15 14 13 12 11 10
K
T5P
J
I
H
G
T5P T5P T5P T5P T5P
E
T5P T5P T5P T5P T5P
D
T5P T5P T5P T5P T5P
B
T5P T5P T5P T5P T5P
A
T5P T5P T5P T5P T5P
A'
Tungsten target
Proton beams
Thorium, HEU fuel and polyethylene (Th-HEU-5PE)
(Th-HEU-Gr-PE)
Polyethylene
3
He detector
Optical fiber detector
In wire position
3 He #1
3 He #2
Fig. A5.4 Thorium-fueled ADS core configuration with 100 MeV protons (Tungsten target) (Th–
HEU–5PE and Th–HEU–Gr–PE) (Refs. [1–2])
Polyethylene (PE)
(19”+1/2”*8+1/4” =
23.25”)
Polyethylene (PE)
(19”+1/2*11 = 24.50”)
+
Void (1.46”)
Al plate (20.00 mm)
Reflector 24.04”
(Lower)
Fuel 10”
(Unit cell 16 times)
Reflector 25.96”
(Upper)
Unit cell
(5/8”)
1/8”Th (1/8”NU)
1/2”PE (1/2”Gr; 1/2”Be)
Fig. A5.5 Fall sideway view of fuel assembly Th–PE, Th–Gr, Th–Be and NU–PE (Ref. [1])
Polyethylene (PE)
(19”+1/2”*9+1/4” =
23.25”)
Polyethylene (PE)
(19”+1/2”*11 = 24.50”)
+
Void (2.45”)
Al plate (20.00 mm)
Reflector 24.05”
(Lower)
Fuel 9”
(Unit cell 16 times)
Reflector 26.95”
(Upper)
Unit cell
(9/16”)
1/8”Th
1/8”PE+1/4”PE
(3/8”)
1/16”HEU
Fig. A5.6 Fall sideway view of fuel assembly Th–HEU–PE (Ref. [1])