Research Article
Study on Transmutation of Minor Actinides as Burnable Poison in VVER-1000 Fuel Assembly
Table 1
Main design parameters of the VVER-1000 LEU fuel assembly.
| | Parameter | Value |
| | Number of UO2 fuel cells | 300 | | Number of fuel cells with Gd | 12 | | Number of guide tubes | 18 | | Number of central tubes | 1 | | Fuel cell inner radius (cm) | 0.3860 | | Fuel cell outer radius (cm) | 0.4582 | | Central tube cell inner radius (cm) | 0.5450 | | Central tube cell outer radius (cm) | 0.6323 | | Pin pitch (cm) | 1.2750 | | Fuel assembly pitch (cm) | 23.6 | | Fuel temperature (K) | 1027.0 | | Nonfuel temperature (K) | 575.0 | | 235U enrichment (wt.%) | 3.7 | | Gd2O3 density (g/cm3) | 7.4 |
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