Research Article
Assessment of CTF Boiling Transition and Critical Heat Flux Modeling Capabilities Using the OECD/NRC BFBT and PSBT Benchmark Databases
Table 5
Geometry and power shape for test assemblies A4 and A8 [
2].
| | Item | Data | | Assembly |  |  |
| | Rods array | 5 × 5 | 5 × 5 | | Number of heated rods | 25 | 24 | | Number of thimble rods | 0 | 1 | | Heated rod outer diameter (mm) | 9.50 | 9.50 | | Thimble rod outer diameter (mm) | — | 12.24 | | Heated rods pitch (mm) | 12.60 | 12.60 | | Axial heated length (mm) | 3658 | 3658 | | Flow channel inner width (mm) | 64.9 | 64.9 | | Radial power shape | A | B | | Axial power shape | Cosine | Cosine | | Number of MV spacers | 7 | 7 | | Number of NMV spacer | 2 | 2 | | Number of simple spacers | 8 | 8 | | MV spacer location (mm) | 471, 925, 1378, 1832, 2285, 2739, 3247 | | NMV spacer location (mm) | 2.5, 3755 | | Simple spacer location (mm) | 237, 698, 1151, 1605, 2059, 2512, 2993, 3501 |
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