Research Article
Validation of the Subchannel Code SUBCHANFLOW Using the NUPEC PWR Tests (PSBT)
Table 5
Geometry of test bundles for void and DNB measurements.
| Case name | B5 | B6 | B7 | A0 | A2 | A3 | A4, A11, A13 | A8, A12 |
| Number of rods | 25 | 25 | 25 | 25 | 25 | 36 | 25 | 25 | Guide tubes | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | Rod pitch (mm) | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | Rod dia. (mm) | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | Guide tube dia. (mm) | | | 12.24 | | | | | 12.24 | Heated length (mm) | 3658 | 3658 | 3658 | 3658 | 3658 | 3658 | 3658 | 3658 | Assembly inner width (mm) | 64.9 | 64.9 | 64.9 | 64.9 | 64.9 | 77.5 | 64.9 | 64.9 | Power shape | Uniform | Cosine | Cosine | Uniform | Uniform | Uniform | Cosine | Cosine | Mixing vane spacers | 7 | 7 | 7 | 5 | 7 | 7 | 7 | 7 | Nonmixing vane spacers | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | Simple spacers | 8 | 8 | 8 | 6 | 8 | 8 | 8 | 8 |
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