Research Article
Assessment of CTF Boiling Transition and Critical Heat Flux Modeling Capabilities Using the OECD/NRC BFBT and PSBT Benchmark Databases
Table 4
Geometry and power shape for test assemblies A2 and A3 [
2].
| Item | Data | Assembly | | |
| Rods array | 5 × 5 | 6 × 6 | Number of heated rods | 25 | 36 | Number of thimble rods | 0 | 0 | Heated rod outer diameter (mm) | 9.50 | 9.50 | Thimble rod outer diameter (mm) | — | — | Heated rods pitch (mm) | 12.60 | 12.60 | Axial heated length (mm) | 3658 | 3658 | Flow channel inner width (mm) | 64.9 | 77.5 | Radial power shape | A | D | Axial power shape | Uniform | Uniform | Number of MV spacers | 7 | 7 | Number of NMV spacer | 2 | 2 | Number of simple spacers | 8 | 8 | MV spacer location (mm) | 457, 914, 1372, 1829, 2286, 2743, 3200 | NMV spacer location (mm) | 0, 3658 | Simple spacer location (mm) | 229, 686, 1143, 1600, 2057, 2515, 2972, 3429 |
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