Research Article
CHF Enhancement of Advanced 37-Element Fuel Bundles
Table 2
Length effect of inner pitch circle on the relative power density of the fuel elements.
| Parameters | Relative power density of each pitch circle (% change) | Inner pitch circle, mm | Reference (14.88) | 14.98 | 15.08 | 15.18 | 15.28 | 15.38 |
| Center pitch | 0.8218 | 0.8230 (0.14) | 0.8243 (0.31) | 0.8258 (0.49) | 0.8271 (0.65) | 0.8285 (0.81) | Inner pitch | 0.8538 | 0.8547 (0.1) | 0.8552 (0.16) | 0.8556 (0.21) | 0.8565 (0.31) | 0.8567 (0.34) | Middle pitch | 0.9308 | 0.9305 (−0.03) | 0.9303 (−0.05) | 0.9302 (−0.07) | 0.9299 (−0.1) | 0.9298 (−0.11) | Outer pitch | 1.1048 | 1.1046 (−0.01) | 1.1045 (−0.02) | 1.1044 (−0.03) | 1.1043 (−0.04) | 1.1042 (−0.05) |
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