Research Article
Assessment of Neutronic Characteristics of Accident-Tolerant Fuel and Claddings for CANDU Reactors
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 |
| | UO2 | 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 |
| UO2 + 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 |
| UO2 + 3% SiC
(SiC clad) | 0.711% | 1704.9 | 1087.0 | 596.6 | 1239.4 | 890.8 | 585.7 |
| UO2 + 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) |
| | UO2 + 6% SiC | 0.72% | 1607.6 | 1064.4 | 608.0 | 1190.9 | 880.6 | 593.9 |
| | UO2 + 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% U3Si2 | 0.711% | 870.9 | 762.1 | 610.1 | 773.8 | 698.1 | 593.9 |
| | UN + 6% U3Si2 | 0.711% | 873.0 | 763.2 | 610.0 | 775.7 | 699.1 | 593.9 |
| | UN + 10% U3Si2 | 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 |
| | UO2 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 |
| | UO2 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 |
| | UO2 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 |
| | UO2 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 |
| | UO2 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 |
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