Research Article
Analysis of Void Reactivity Coefficient for 3D BWR Assembly Model
Table 3
The dependence of neutronic characteristics on nodalisation scheme.
| | Model | 1 node
| 3 nodes
| 6 nodes
| 12 nodes
|
| | Fast/thermal neutrons ratio | Void, 40% | 9.83 | 8.47 | 8.24 | 8.18 | | Void, 100% | 20.97 | 20.97 | 20.96 | 20.95 |
| | Void, 40% | 1.1320 | 1.1472 | 1.1497 | 1.1503 | | Void, 100% | 1.0851 | 1.0851 | 1.0854 | 1.0858 |
| | VRC (pcm/%) | −64.50 | −83.36 | −86.57 | −87.33 |
|
|
