Table 10:
Fuel temperatures calculated for ATF cases.
Fuel
Enrich.
Outer ring temperature (K)
Average pin temperature (K)
Power = 880 kW
Power = 700 kW
Fuel CL
Fuel Avg.
Clad
Fuel CL
Fuel Avg.
Clad
UO
2
0.711%
2069.6
1248.4
608.3
1437.0
981.6
593.9
1.30%
2159.0
1290.1
610.5
1429.1
979.4
593.9
UO
2
+ 3% SiC
(zirc4 clad)
0.72%
1760.3
1124.4
608.2
1269.7
913.5
593.9
1.32%
1835.4
1157.7
610.4
1264.0
911.8
593.9
UO
2
+ 3% SiC
(SiC clad)
0.711%
1704.9
1087.0
596.6
1239.4
890.8
585.7
UO
2
+ 3% SiC
(FeCrAl clad)
0.79%
1779.2
1132.1
611.9 (zirc4)
593.9 (FeCrAl)
1269.0
913.0
596.2 (zirc4)
583.7 (FeCrAl)
UO
2
+ 6% SiC
0.72%
1607.6
1064.4
608.0
1190.9
880.6
593.9
UO
2
+ 10% SiC
0.73%
1463.7
1007.1
607.9
1115.5
848.5
593.9
UN
0.711%
868.5
760.8
610.1
772.1
697.2
593.9
1.22%
881.4
769.9
612.6
770.9
696.8
593.9
UN + 3% U
3
Si
2
0.711%
870.9
762.1
610.1
773.8
698.1
593.9
UN + 6% U
3
Si
2
0.711%
873.0
763.2
610.0
775.7
699.1
593.9
UN + 10% U
3
Si
2
0.711%
876.2
764.9
610.0
778.3
700.5
593.9
UN + 10% ZrN
0.711%
856.9
753.8
609.3
767.0
694.4
593.9
U-9Mo
0.93%
825.1
742.3
612.1
740.6
682.3
593.9
UO
2
FCM 35% packing
1.07%
814.8
727.0
605.9
744.2
681.5
593.9
1.89%
821.5
731.5
607.1
743.9
681.4
593.9
UO
2
FCM 40% packing
1.01%
836.0
737.3
606.1
758.5
688.4
593.9
1.62%
842.3
741.4
607.1
758.1
688.3
593.9
1.80%
843.7
742.4
607.3
758.0
688.2
593.9
UO
2
FCM 45% packing
0.95%
862.1
749.8
606.2
775.8
696.6
593.9
1.43%
867.9
753.5
607.1
775.4
696.5
593.9
UO
2
FCM 50% packing
0.91%
893.7
765.0
606.4
796.7
706.6
593.9
1.28%
899.2
768.4
607.2
796.3
706.5
593.9
UO
2
FCM 55% packing
0.88%
933.4
784.0
606.6
822.7
719.1
593.9
1.16%
938.7
787.3
607.3
822.3
719.0
593.9
UN FCM 35% packing
0.93%
772.7
707.6
606.7
712.9
666.4
593.9
1.28%
775.9
709.8
607.4
712.8
666.3
593.9
UN FCM 40% packing
0.89%
779.6
711.1
607.0
717.0
668.4
593.9
1.13%
782.1
712.9
607.5
716.9
668.3
593.9
UN FCM 45% packing
0.85%
786.4
714.7
607.2
721.2
670.4
593.9
1.02%
788.3
716.1
607.7
721.1
670.3
593.9
UN FCM 50% packing
0.82%
793.1
718.3
607.5
725.3
672.4
593.9
0.93%
794.5
719.3
607.8
725.2
672.4
593.9
UN FCM 55% packing
0.80%
799.3
721.8
607.7
729.1
674.4
593.9
0.97%
800.5
722.6
608.0
729.0
674.4
593.9
UN TRISO 55% packing
2.25%
988.0
813.7
607.1
861.6
739.5
593.9