Research Article
Analysis of the NUPEC PSBT Tests with FLICA-OVAP
Table 6
Geometry and power shape of rod bundle test assembly.
| | Item | Data |
| | Assembly |  |  |  |
| | Rods array | | | | | Number of heated rods | 25 | 25 | 24 | | Number of thimble rods | 0 | 0 | 1 | | Heated rod outer diameter (mm) | 9.50 | 9.50 | 9.50 | | Thimble rod outer diameter (mm) | — | — | 12.24 | | Heated rod pitch (mm) | 12.60 | 12.60 | 12.60 | | Axial-heated length (mm) | 3658 | 3658 | 3658 | | Flow channel inner width (mm) | 64.9 | 64.9 | 64.9 |
| | Radial power shape |  | |  |
| | Axial power shape | Uniform | Cosine | Cosine | | Number of mixing vane spacers | 7 | 7 | 7 | | Number of no mixing vane spacers | 2 | 2 | 2 | | Number of simple spacers | 8 | 8 | 8 | Mixing vane spacer location (mm)
(Loss coefficient 1.0 [1]) | 471, 925, 1378, 1832, 2285, 2739, 3247
from the beginning of the test section | No mixing vane spacer location (mm)
(Loss coefficient 0.7 [1]) | 2.5, 3755
from the beginning of the test section | Simple spacer location (mm)
(Loss coefficient 0.4 [1]) | 237, 698, 1151, 1605, 2059, 2512, 2993, 3501
from the beginning of the heated section |
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