Table 10: Fuel temperatures calculated for ATF cases.

FuelEnrich. Outer ring temperature (K) Average pin temperature (K)
Power = 880 kW Power = 700 kW
Fuel CLFuel Avg.CladFuel CLFuel Avg.Clad

UO20.711%2069.61248.4608.31437.0981.6593.9
1.30%2159.01290.1610.51429.1979.4593.9

UO2 + 3% SiC
(zirc4 clad)
0.72%1760.31124.4608.21269.7913.5593.9
1.32%1835.41157.7610.41264.0911.8593.9

UO2 + 3% SiC
(SiC clad)
0.711%1704.91087.0596.61239.4890.8585.7

UO2 + 3% SiC
(FeCrAl clad)
0.79%1779.21132.1611.9 (zirc4)
593.9 (FeCrAl)
1269.0913.0596.2 (zirc4)
583.7 (FeCrAl)

UO2 + 6% SiC0.72%1607.61064.4608.01190.9880.6593.9

UO2 + 10% SiC0.73%1463.71007.1607.91115.5848.5593.9

UN0.711%868.5760.8610.1772.1697.2593.9
1.22%881.4769.9612.6770.9696.8593.9

UN + 3% U3Si20.711%870.9762.1610.1773.8698.1593.9

UN + 6% U3Si20.711%873.0763.2610.0775.7699.1593.9

UN + 10% U3Si20.711%876.2764.9610.0778.3700.5593.9

UN + 10% ZrN0.711%856.9753.8609.3767.0694.4593.9

U-9Mo0.93%825.1742.3612.1740.6682.3593.9

UO2 FCM 35% packing1.07%814.8727.0605.9744.2681.5593.9
1.89%821.5731.5607.1743.9681.4593.9

UO2 FCM 40% packing1.01%836.0737.3606.1758.5688.4593.9
1.62%842.3741.4607.1758.1688.3593.9
1.80%843.7742.4607.3758.0688.2593.9

UO2 FCM 45% packing0.95%862.1749.8606.2775.8696.6593.9
1.43%867.9753.5607.1775.4696.5593.9

UO2 FCM 50% packing0.91%893.7765.0606.4796.7706.6593.9
1.28%899.2768.4607.2796.3706.5593.9

UO2 FCM 55% packing0.88%933.4784.0606.6822.7719.1593.9
1.16%938.7787.3607.3822.3719.0593.9

UN FCM 35% packing0.93%772.7707.6606.7712.9666.4593.9
1.28%775.9709.8607.4712.8666.3593.9

UN FCM 40% packing0.89%779.6711.1607.0717.0668.4593.9
1.13%782.1712.9607.5716.9668.3593.9

UN FCM 45% packing0.85%786.4714.7607.2721.2670.4593.9
1.02%788.3716.1607.7721.1670.3593.9

UN FCM 50% packing0.82%793.1718.3607.5725.3672.4593.9
0.93%794.5719.3607.8725.2672.4593.9

UN FCM 55% packing0.80%799.3721.8607.7729.1674.4593.9
0.97%800.5722.6608.0729.0674.4593.9

UN TRISO 55% packing2.25%988.0813.7607.1861.6739.5593.9