Research Article
Multiobjective Core Reloading Pattern Optimization of PARR-1 Using Modified Genetic Algorithm Coupled with Monte Carlo Methods
Table 2
Main operating conditions for PARR-1.
| Parameters | Specific operating conditions |
| Coolant and moderator | Water | Reflector | Water, graphite | Cladding | Aluminum | Fuel rod | Fork type | Fuel material | U3Si2–Al | Fuel enrichment (w%) | 19.75 | Uranium density (g/mm3) | 4.5 | Fuel element dimensions (mm3) | 76 × 80 × 600 | Lattice pitch (mm) | 8.1 × 7.7 | Shape of fuel plates | Flat | Coolant channel thickness (mm) | 2.19 | Weight of235U (g) | Standard fuel element | 390 | Control fuel element | 288 | Number of fuel plates | Standard fuel element | 23 | Control fuel element | 17 | Number of dummy plates in CFE | 4 | Fuel plate dimensions (mm) | Width | 66.4 | Inner plate thickness | 1.27 | Outer plate thickness | 1.50 | Thickness of cladding (mm) | Inner plate | 0.38 | Outer plate | 0.495 | Fuel meat dimensions (mm) | Length | 600 | Width | 63 | Thickness | 0.51 | Side plate dimensions (mm) | Thickness | 4.8 | Width | 80 |
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